ShmooCon Ticket

[Donald Mac McCarthy via PLUG-discuss]

All,

I’m giving away a free ShmooCon ticket through my company. More details can be 
found on our twitter @oscontext or on our blog https://blog.oscontext.io

Enjoy!


Mac
--
Donald ‘Mac’ McCarthy
Director, Field Operations
Open Source Context
+1.602.584.4445 (desk)
+1.602.727.4131 (mobile)
https://calendly.com/osc-mac






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Re: ntp

[Donald Mac McCarthy via PLUG-discuss]

Steve is correct, you should replace the battery or replace the hardware. An 
improper time at boot can cause any number of “wonky” things, but also opens up 
some VERY nasty security attacks that revolve around timing. It is difficult 
and time consuming to get a system out of time with NTP running (which it 
should be by default on most Linux distros) when the boot time is “correct 
(within a few hundred milliseconds to 2 seconds)”. It is very easy to keep a 
system off time and continuously lie to it when relying on a plaintext software 
protocol alone.

If you don’t want to replace the battery, you should look at replacing the 
board.

Mac

--
Donald Mac McCarthy
Director, Field Operations
+1.602.584.4445 (desk)
+1.602.727.4131 (mobile)

> On Thursday, Dec 23, 2021 at 2:16 PM, Steve Litt via PLUG-discuss 
> mailto:plug-discuss@lists.phxlinux.org)> 
> wrote:
> Michael via PLUG-discuss said on Thu, 23 Dec 2021 12:03:19 -0500
>
> > How does one set it up so that arch doesn't need a cmos battery. Mine
> > is going belly-up and I don't want to replace it. I was thinking I
> > shouldn't need to with NTP. What do you think?
>
> https://lmgtfy.app/#gsc.tab=0&gsc.q=how%20to%20set%20up%20ntp%20in%20linux
>
> Not that the preceding link will help you. The time jumps involved
> in going from 1970 or whatever to the current time, on every cold boot,
> mess with all sorts of programs and processes. Plus the fact that a low
> battery could mess with the rest of your non-time settings. It's not
> inconceivable that wrong settings could cause filesystem damage (are
> you thoroughly and currently backed up?) and even hardware damage.
>
> A coin battery is available for about five bucks at any drug store. If
> you live 100 miles from a drug store, consider
> https://www.ebay.com/itm/132704000819?epid=22021694267
>
> WARNING: My computer uses a CR2032 battery, I think most computers do,
> but your computer might be different. To find out, remove necessary
> screws to get to the motherboard, taking photos at each stage so you
> know how to put it back together. Before removing the old battery, take
> a photo of the battery mounted on the motherboard. See
> https://www.computerhope.com/issues/ch000239.htm for info how to remove
> the battery. If the preceding URL doesn't give you the necessary info,
> perform a web search on the following words:
>
> how to remove the cmos battery from a motherboard
>
> Search the preceding words.
>
> SteveT
>
> Steve Litt
> Spring 2021 featured book: Troubleshooting Techniques of the Successful
> Technologist http://www.troubleshooters.com/techniques
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Re: processors on system

[Donald Mac McCarthy via PLUG-discuss]

Hyper threading often shows up as 2. You may have a single core, dual thread 
processor.

Mac

--
Donald Mac McCarthy
Director, Field Operations
+1.602.584.4445 (desk)
+1.602.727.4131 (mobile)

> On Sunday, Sep 12, 2021 at 12:56 PM, Michael via PLUG-discuss 
> mailto:plug-discuss@lists.phxlinux.org)> 
> wrote:
> I always thought I only had one processor on my system
> However, when I ran the command 'grep processor /proc/cpuinfo' the output was:
> processor : 0
> processor : 1
>
> This means I have two processors in there?
> --
> :-)~MIKE~(-:
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Re: Pi-hole, Linux hosts file and local DNS

[Donald Mac McCarthy via PLUG-discuss]

There may be a way to do it via dns, but why wouldn’t you use something like 
haproxy? You can use a single node instance to do it. I mention it because many 
devices have a very simple and/or old network stack that may not play as nice 
as a more full featured network stack. If they are all http/s based services, 
NGINX serves as a great option. Port information is not in the DNS 
specification. My $0.02.

Mac

--
Donald Mac McCarthy
Director, Field Operations
+1.602.584.4445 (desk)
+1.602.727.4131 (mobile)

> On Sunday, Jul 25, 2021 at 2:13 PM, Aaron Jones via PLUG-discuss 
> mailto:plug-discuss@lists.phxlinux.org)> 
> wrote:
> You can assign domain names to local services internally using pihole. Yes. I 
> do.
>
> > On Jul 25, 2021, at 10:07 AM, Amit Nepal via PLUG-discuss 
> >  wrote:
> >
> > 
> > If I am understanding your question correctly, you can use pihole to 
> > resolve ips to your local domain names like you can with linux hosts file, 
> > but I don't believe there is a way to include port numbers with DNS 
> > resolution.
> >
> > Thank You,
> > Amit
> >
> > On 7/25/2021 12:08 AM, Steve B via PLUG-discuss wrote:
> > > Is there a way to use Pi-holes local DNS functions to create entries for 
> > > services on my local LAN?
> > >
> > > For example if Pi-Hole is at http://192.168.1.160/admin can i create 
> > > something that has that full URL? The Linux hosts file limits me to the 
> > > IP address and I'm looking for a way to have anything that comes after 
> > > the IP such as port numbers and such.
> > > --- PLUG-discuss mailing 
> > > list - PLUG-discuss@lists.phxlinux.org 
> > > (mailto:PLUG-discuss@lists.phxlinux.org) To subscribe, unsubscribe, or to 
> > > change your mail settings: 
> > > https://lists.phxlinux.org/mailman/listinfo/plug-discuss
> >
> >
> >
> >
> > ---
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Free Data

[Donald Mac McCarthy via PLUG-discuss]

Morning all,

 Publishing free threat intelligence data via twitter in JSON format.
@oscontext

 If you like it  and/or find it useful - feel free to follow, retweet or
whatever else it is that people do on twitter. The retweets and follows
are what I will use to justify to the layer 8 powers that be that I
should be allowed to keep doing it.

 There are two types of data that are getting published right now.

1. DPRK_DNS feed. This is a feed in near-realtime of hosts observed in
well known North Korean infrastructure. As the DPRK has been expanding
their state sponsored activity, we thought we would help highlight their
efforts!
2. BPH_DNS feed. This is a feed (24h delayed) of hosts and domains which
are observed hosted on bulletproof infrastructure. Although there is no
guarantee they are malicious - the price of this hosting increases the
statistical odds that it is by enough of a margin to warrant additional
investigation of matching events in your logs.

Also - I have made free to the public an anti-spam rhsbl, with limits.
Because queries are rate limited, I would recommend using it via your
own DNS infrastructure - as shared ISP and Public infrastructure is
frequently timed out due to the large volume of scanning and abuse of
free services that occur via this infrastructure. More information is
available at https://oscontext.com/fdsupport.osc

There is an option for a trial (that gives you unlimited queries from
dedicated infrastructure) - but it is NOT required. No email or other
information is required either.

If I am violating community standards - my apologies, I'll serve and
accept my punishment. I am just trying to get the word out on some of
the free things I am giving to the community, this is not a marketing email.

Mac
-- 
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Director, Field Operations
Open Source Context
+1.602.584.4445
m...@oscontext.com
https://oscontext.com

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Re: USG / Century Link Fiber Set up

[Donald Mac McCarthy via PLUG-discuss]

lto:plug-discuss@lists.phxlinux.org>> wrote:
>
> Does anyone out in PLUG land have a Unifi USG gateway
> and Century Link
> fiber installed.
>
> There are many discussions on the google machine each
> person has a
> slightly different setting.
>
> I am an experienced amature, but usually muddle my way
> through things.
>
> If someone who has done this and can walk me through
> it I would be grateful.
>
> Mush appreciate
>
> Carlton Brooks
>
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>
>
>
> -- 
> A mouse trap, placed on top of your alarm clock, will prevent you
> from rolling over and going back to sleep after you hit the snooze
> button.
>
> Stephen
>
>
>
> ---
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-- 
Donald "Mac" McCarthy
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Open Source Context
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m...@oscontext.com
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Re: is my power supply dieing?(supplies)

[Donald Mac McCarthy via PLUG-discuss]

I generally use Newegg.

Mac

mike enriquez wrote on 7/19/20 7:21 AM:
> This brings up the subject of Computer Supplies. Where does everyone go to 
> get their computer supplies. I use to go to Fry's Electronics but last time I 
> went there it looked very empty. I use to get my power supply there but now I 
> don't want to drive there for nothing. At times like this (COVID) I try 
> Amazon. So my question to the group is "Where do you go to get your Computer 
> Supplies"? Thanks to everyone. 
> Mike Enriquez 
>
>
>> On July 14, 2020 at 12:00 AM Donald Mac McCarthy via PLUG-discuss 
>>  wrote:
>>
>>
>> Some boards have 2 fans for CPU - especially boards designed for
>> overclocking. The face that you don't have any voltage/RPMs across the
>> fan3 may not be a problem.
>>
>> The only way you are going to be sure to tell it is a power supply is
>> generally to replace it. You could replace CPU, memory, or board one at
>> a time, but those are generally more expensive than a PSU.
>>
>> I have had many times that the PSU was the issue when running a compute
>> cluster years ago. In one case the PSW was not getting enough airflow
>> due to the positional design of the chassis vs the fan location of a
>> replacement CPU which had undergone a spec change, and therefore wouls
>> reach thermal protection shutdown. In another, a thermal expansion in a
>> PSU component when under load would cause a short, and the system would
>> shutoff. In another case - dirty output due to a power limiting
>> component that was failing cause all kinds of problems, eventually
>> causing us to have to replace RAM, CPU, MB, and a RAID card because of
>> "brown out" type situations. We were only to know what happened after
>> the manufacturer did some testing on the RMAed PSU. When you have 850
>> servers all built assembled from components (academic environment where
>> the Professor got more systems for his grant money by buying components
>> and using undergrad/graduate research assistants to assemble them), some
>> interesting things happen, may of them were power supply related.
>>
>> Good luck, but I think you may save more in time and effort to just
>> replace it. I have a 400W ATX powersupply you can have if you want to
>> come get it. I am not sure how much wattage you need, but if 400 will
>> cut it - that one can be yours for the low low price of gas money.
>>
>> Mac
>>
>> Michael via PLUG-discuss wrote on 7/13/20 8:41 PM:
>>> inxi tells me this about my fans:
>>>
>>> Fan Speeds (RPM): cpu: 0 fan-1: 3139 fan-3: 0
>>>
>>> So my cpu fan isn't working. I thought my computer would CRASH/FREEZE
>>> more often if the cpu fan wasn't working.  What is: fan-1: 3139 fan-3:
>>> 0
>>>
>>> I'm not sure but I think my power supply fan is running slow. Is that a 
>>> thing?
>>>
>>> On Mon, Jul 13, 2020 at 11:26 PM Michael  wrote:
>>>> hey  I forgot to tell ya all that last night after I put the
>>>> system under stress I got it to freeze.
>>>>
>>>> On Mon, Jul 13, 2020 at 9:29 PM Michael  wrote:
>>>>> when I'm just running memory test the temp is 46
>>>>>
>>>>> On Mon, Jul 13, 2020 at 8:06 PM Michael  wrote:
>>>>>> that was it under stress.
>>>>>>
>>>>>> On Mon, Jul 13, 2020 at 4:55 PM Brian Cluff via PLUG-discuss
>>>>>>  wrote:
>>>>>>> If that's your idle temperature, that is terrible.  I'll bet if you run
>>>>>>> stress while monitoring your temperature you'll see it shoot up even
>>>>>>> higher than that.
>>>>>>>
>>>>>>> (I cook chicken sous vide at 60C)
>>>>>>>
>>>>>>> Brian Cluff
>>>>>>>
>>>>>>> On 7/13/20 10:05 AM, Michael via PLUG-discuss wrote:
>>>>>>>> Do 80 is bad? Mine was at 89 when I first started it
>>>>>>> ---
>>>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
>>>>>>> To subscribe, unsubscribe, or to change your mail settings:
>>>>>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss
>>>>>>
>>>>>> --
>>>>>> :-)~MIKE~(-:
>>>>>
>>>>> --
>>>>> :-)~MIKE~(-:
>>>>
>>>> --
>>>> :-)~MIKE~(-:
>>>
>> -- 
>> Donald "Mac" McCarthy
>> Director, Field Operations
>> Open Source Context
>> +1.602.584.4445
>> m...@oscontext.com
>> https://oscontext.com
>>
>> ---
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-- 
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Re: is my power supply dieing?

[Donald Mac McCarthy via PLUG-discuss]

Some boards have 2 fans for CPU - especially boards designed for
overclocking. The face that you don't have any voltage/RPMs across the
fan3 may not be a problem.

The only way you are going to be sure to tell it is a power supply is
generally to replace it. You could replace CPU, memory, or board one at
a time, but those are generally more expensive than a PSU.

I have had many times that the PSU was the issue when running a compute
cluster years ago. In one case the PSW was not getting enough airflow
due to the positional design of the chassis vs the fan location of a
replacement CPU which had undergone a spec change, and therefore wouls
reach thermal protection shutdown. In another, a thermal expansion in a
PSU component when under load would cause a short, and the system would
shutoff. In another case - dirty output due to a power limiting
component that was failing cause all kinds of problems, eventually
causing us to have to replace RAM, CPU, MB, and a RAID card because of
"brown out" type situations. We were only to know what happened after
the manufacturer did some testing on the RMAed PSU. When you have 850
servers all built assembled from components (academic environment where
the Professor got more systems for his grant money by buying components
and using undergrad/graduate research assistants to assemble them), some
interesting things happen, may of them were power supply related.

Good luck, but I think you may save more in time and effort to just
replace it. I have a 400W ATX powersupply you can have if you want to
come get it. I am not sure how much wattage you need, but if 400 will
cut it - that one can be yours for the low low price of gas money.

Mac

Michael via PLUG-discuss wrote on 7/13/20 8:41 PM:
> inxi tells me this about my fans:
>
> Fan Speeds (RPM): cpu: 0 fan-1: 3139 fan-3: 0
>
> So my cpu fan isn't working. I thought my computer would CRASH/FREEZE
> more often if the cpu fan wasn't working.  What is: fan-1: 3139 fan-3:
> 0
>
> I'm not sure but I think my power supply fan is running slow. Is that a thing?
>
> On Mon, Jul 13, 2020 at 11:26 PM Michael  wrote:
>> hey  I forgot to tell ya all that last night after I put the
>> system under stress I got it to freeze.
>>
>> On Mon, Jul 13, 2020 at 9:29 PM Michael  wrote:
>>> when I'm just running memory test the temp is 46
>>>
>>> On Mon, Jul 13, 2020 at 8:06 PM Michael  wrote:
>>>> that was it under stress.
>>>>
>>>> On Mon, Jul 13, 2020 at 4:55 PM Brian Cluff via PLUG-discuss
>>>>  wrote:
>>>>> If that's your idle temperature, that is terrible.  I'll bet if you run
>>>>> stress while monitoring your temperature you'll see it shoot up even
>>>>> higher than that.
>>>>>
>>>>> (I cook chicken sous vide at 60C)
>>>>>
>>>>> Brian Cluff
>>>>>
>>>>> On 7/13/20 10:05 AM, Michael via PLUG-discuss wrote:
>>>>>> Do 80 is bad? Mine was at 89 when I first started it
>>>>> -----------
>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
>>>>> To subscribe, unsubscribe, or to change your mail settings:
>>>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss
>>>>
>>>>
>>>> --
>>>> :-)~MIKE~(-:
>>>
>>>
>>> --
>>> :-)~MIKE~(-:
>>
>>
>> --
>> :-)~MIKE~(-:
>
>

-- 
Donald "Mac" McCarthy
Director, Field Operations
Open Source Context
+1.602.584.4445
m...@oscontext.com
https://oscontext.com

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Re: nomachine

[Donald Mac McCarthy via PLUG-discuss]

Correct

Mac

Michael via PLUG-discuss wrote on 5/7/20 2:53 PM:
> Okay, if I load nomachime on my desktop and control the NUC from it in
> my understanding the programs I open on the NUC (from the desktop)
> will use the RAM on the NUC. Is that correct?
>

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Re: ssh

[Donald Mac McCarthy via PLUG-discuss]

You can also use the NoMachine software as well, it works quite nicely
over an SSH connection.

Mac

Michael via PLUG-discuss wrote on 5/6/20 2:19 PM:
> Thanks, I'll check it out.
>
> On Wed, May 6, 2020 at 5:19 PM Shaun Anderson  
> wrote:
>> Alexander was correct...it's openssh-server.  Graphically will depend on the 
>> desktop you're using.
>>
>> You can setup NFS to mount another computer as a local drive.  See this link 
>> for configuring autofs
>> https://help.ubuntu.com/community/Autofs
>>
>>
>> On Wed, May 6, 2020 at 2:16 PM Michael via PLUG-discuss 
>>  wrote:
>>> Thanks! What about doing it graphically?
>>>
>>> On Wed, May 6, 2020 at 4:25 PM Snyder, Alexander J
>>>  wrote:
>>>> Search for openssh or openssh-server or something like that. I forget the 
>>>> actual package name, but "Open SSH" is what you want.
>>>>
>>>> I'm pretty sure it's comes by default on all major distributions.
>>>>
>>>> s...@newserver.com
>>>>
>>>> Thanks,
>>>> Alexander
>>>>
>>>> Sent from my Galaxy S10+
>>>>
>>>> On Wed, May 6, 2020, 13:03 Michael via PLUG-discuss 
>>>>  wrote:
>>>>> I'm going to want the business computer to talk to the main one. You
>>>>> do that via ssh? I seem to remember that you needed ssh-server (or
>>>>> something like that) installed on at least one of the computers but
>>>>> apt-get install ssh shows that nothing like that is on
>>>>> apt What's the deal?
>>>>>
>>>>> What I would really like is for one of the computers to just appear on
>>>>> the other computer as if it were like an external drive.
>>>>>
>>>>> --
>>>>> :-)~MIKE~(-:
>>>>> -----------
>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
>>>>> To subscribe, unsubscribe, or to change your mail settings:
>>>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss
>>>
>>>
>>> --
>>> :-)~MIKE~(-:
>>> ---
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>>> To subscribe, unsubscribe, or to change your mail settings:
>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss
>
>

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Re: PfSense + ubiquity

[Donald Mac McCarthy via PLUG-discuss]

   <mailto:plug-discuss@lists.phxlinux.org>> wrote:
>
> Cox modems *are* bridges first and foremost typically, unless
> you get a bundled router/modem, which is only what CenturyLink
> sells.  If you got a "router/modem" combo, just buy a
> modem-only device for a dumb bridge and simple ethernet for a
> public ip.  I recommend staying with an arris cable modem,
> originally motorola, they basically developed cable modem
> docsis, and are always the best.
>
> I moved from Cox to CL when Cox started adding a usage cap,
> and that was new to me to get my Fortinet firewall online with
> CL and their DSL doing PPPOE.  I've seen the router/cable
> modem combo boxes later, but never owned one as I always have
> my own router/firewall.
>
> -mb
>
>
> On Mon, May 4, 2020 at 8:36 AM Donald Mac McCarthy
> mailto:m...@oscontext.com>> wrote:
>
> Will Cox allow for a bridge/virtual bridge mode? Xfinity
> does, which allows you to put in a firewall, and use the
> modem only as a gateway, therefore preventing a double NAT
> situation. Never lived in a Cox area before, and currently
> ride CL fiber.
>
> Mac
>
> Michael Butash via PLUG-discuss wrote on 5/3/20 2:00 PM:
>> Cox modems will learn and allow only 1 mac at a time
>> (unless business is set to allow more, but not on
>> residential).  If switching out firewalls, I 99% of time
>> reboot the modem first and foremost.
>>
>> -mb
>>
>> On Sun, May 3, 2020 at 12:08 PM Snyder, Alexander J via
>> PLUG-discuss > <mailto:plug-discuss@lists.phxlinux.org>> wrote:
>>
>> I got it working. 
>>
>> I assigned the SFP+ port as my LAN and assigned it
>> the 10.x.x.x/16 network. Then I had to call COX and
>> list the WAN Mac address with them. Upon doing so I
>> was able to reach external sites, and all downstream
>> devices started coming alive!
>>
>> Thanks for all the suggestions and help!
>>
>> Thanks,
>> Alexander
>>
>> Sent from my Galaxy S10+
>>
>> On Sun, May 3, 2020, 03:14 Herminio Hernandez, Jr.
>> via PLUG-discuss > <mailto:plug-discuss@lists.phxlinux.org>> wrote:
>>
>> Can you  login to the FW via the LAN interface?
>> Can you  ping the FW LAN interface? Check the
>> routing and NAT policy on the FW. All outbound
>> traffic should NAT to the FW WAN interface and
>> there should be a default (0.0.0.0/0
>> <http://0.0.0.0/0>) route to the internet.
>>
>> On Sat, May 2, 2020 at 7:27 PM Seabass via
>> PLUG-discuss > <mailto:plug-discuss@lists.phxlinux.org>> wrote:
>>
>> I'm with Mac, I think it is not the firewall,
>> but if you have the ability to plug it into a
>> display with a keyboard, you can use that for
>> configuration and modify a different device
>> at the same time.
>>
>> Makes it easier to troubleshoot by giving you
>> the ability to configure your pfSense ports
>> at the same time.
>>>
>>>
>>> Message: 2
>>> Date: Sat, 2 May 2020 09:04:35 -0700
>>> From: Donald Mac McCarthy >> <mailto:m...@oscontext.com>>
>>> To: "Snyder, Alexander J via PLUG-discuss"
>>> >> <mailto:plug-discuss@lists.phxlinux.org>>
>>> Subject: Re: pfSense + Ubiquity
>>> Message-ID:
>>> <18adfa38-3e72-7b0a-e31a-1ddf175d7...@oscontext.com
>>> 
>>> <mailto:18adfa38-3e72-7b0a-e31a-1ddf175d7...@oscontext.com>>
>>> Content

Re: PfSense + ubiquity

[Donald Mac McCarthy via PLUG-discuss]

Will Cox allow for a bridge/virtual bridge mode? Xfinity does, which
allows you to put in a firewall, and use the modem only as a gateway,
therefore preventing a double NAT situation. Never lived in a Cox area
before, and currently ride CL fiber.

Mac

Michael Butash via PLUG-discuss wrote on 5/3/20 2:00 PM:
> Cox modems will learn and allow only 1 mac at a time (unless business
> is set to allow more, but not on residential).  If switching out
> firewalls, I 99% of time reboot the modem first and foremost.
>
> -mb
>
> On Sun, May 3, 2020 at 12:08 PM Snyder, Alexander J via PLUG-discuss
>  <mailto:plug-discuss@lists.phxlinux.org>> wrote:
>
> I got it working. 
>
> I assigned the SFP+ port as my LAN and assigned it the 10.x.x.x/16
> network. Then I had to call COX and list the WAN Mac address with
> them. Upon doing so I was able to reach external sites, and all
> downstream devices started coming alive!
>
> Thanks for all the suggestions and help!
>
> Thanks,
> Alexander
>
> Sent from my Galaxy S10+
>
> On Sun, May 3, 2020, 03:14 Herminio Hernandez, Jr. via
> PLUG-discuss  <mailto:plug-discuss@lists.phxlinux.org>> wrote:
>
> Can you  login to the FW via the LAN interface? Can you  ping
> the FW LAN interface? Check the routing and NAT policy on the
> FW. All outbound traffic should NAT to the FW WAN interface
> and there should be a default (0.0.0.0/0 <http://0.0.0.0/0>)
> route to the internet.
>
> On Sat, May 2, 2020 at 7:27 PM Seabass via PLUG-discuss
>  <mailto:plug-discuss@lists.phxlinux.org>> wrote:
>
> I'm with Mac, I think it is not the firewall, but if you
> have the ability to plug it into a display with a
> keyboard, you can use that for configuration and modify a
> different device at the same time.
>
> Makes it easier to troubleshoot by giving you the ability
>     to configure your pfSense ports at the same time.
>>
>>
>> Message: 2
>> Date: Sat, 2 May 2020 09:04:35 -0700
>> From: Donald Mac McCarthy > <mailto:m...@oscontext.com>>
>> To: "Snyder, Alexander J via PLUG-discuss"
>> > <mailto:plug-discuss@lists.phxlinux.org>>
>> Subject: Re: pfSense + Ubiquity
>> Message-ID:
>> <18adfa38-3e72-7b0a-e31a-1ddf175d7...@oscontext.com
>> <mailto:18adfa38-3e72-7b0a-e31a-1ddf175d7...@oscontext.com>>
>> Content-Type: text/plain; charset="utf-8"
>>
>> I can help - but I am unavailable to do so until tomorrow.
>>
>> Make sure there are not any thing other than default
>> VLANs on the
>> interfaces to start with. Ubiquiti is famous for not
>> havinght eSFP+
>> ports active in the default configuration, and I believe
>> the switch has
>> all the ports to shutdown on default config as well.
>>
>> I think it is the switch not passing traffic through - no
>> the firewall.
>>
>> Mac
>> Snyder, Alexander J via PLUG-discuss wrote on 5/2/20 8:53 AM:
>> > Does anyone out there have experience with pfSence and
>> Ubiquity switches?
>> >
>> > I have zero with either but that didn't stop me from
>> buying both 
>> > how hard could it be?! LOL.
>> >
>> > I bought a Negate XG-1537-1U. I bought a Unifi Pro 24
>> PoE switch.
>> >
>> > I can configure the FW immediately after
>> > firstboot/restore-default-configs, but only if i set
>> the LAN interface
>> > to be the cable that goes directly to my laptop. That's
>> great, but
>> > that does shit for the downstream switch.
>> >
>> > I have a 10GB SFP+ Port that I want to configure as the
>> downstream
>> > port to ubiquity, but any configuration other than
>> mentioned above
>> > fails  and I'm now on my 12th "Reset To Factory
>> Defaults" ... any
>> > help on this would be greatly appreciated!
>> >

Re: pfSense + Ubiquity

[Donald Mac McCarthy via PLUG-discuss]

I can help - but I am unavailable to do so until tomorrow.

Make sure there are not any thing other than default VLANs on the
interfaces to start with. Ubiquiti is famous for not havinght eSFP+
ports active in the default configuration, and I believe the switch has
all the ports to shutdown on default config as well.

I think it is the switch not passing traffic through - no the firewall.

Mac
Snyder, Alexander J via PLUG-discuss wrote on 5/2/20 8:53 AM:
> Does anyone out there have experience with pfSence and Ubiquity switches?
>
> I have zero with either but that didn't stop me from buying both 
> how hard could it be?! LOL.
>
> I bought a Negate XG-1537-1U. I bought a Unifi Pro 24 PoE switch.
>
> I can configure the FW immediately after
> firstboot/restore-default-configs, but only if i set the LAN interface
> to be the cable that goes directly to my laptop. That's great, but
> that does shit for the downstream switch.
>
> I have a 10GB SFP+ Port that I want to configure as the downstream
> port to ubiquity, but any configuration other than mentioned above
> fails  and I'm now on my 12th "Reset To Factory Defaults" ... any
> help on this would be greatly appreciated!
>
> Thanks,
> Alexander
>
> Sent from my Galaxy S10+
>
>
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Re: zoom and teams patches

[Donald Mac McCarthy via PLUG-discuss]

Since when was Cisco known for a "good" UI?

Mac

der.hans via PLUG-discuss wrote on 4/28/20 10:40 PM:
> Am 28. Apr, 2020 schwätzte Ryan Petris via PLUG-discuss so:
>
> moin moin,
>
>> That's not entirely true, I use Webex on Linux, including sharing my
>> screen,
>
> Yeah, in the end it worked with Firefox. I had to allow some JavaScript,
> but no completely 3rd party stuff.
>
> I also didn't need to create an account for authentication. The webex
> join
> meeting UI sucks pretty badly.
>
> ciao,
>
> der.hans
>
>> nearly every day for work. It is true that there's no native client,
>> though, but the workaround is to use Chrome or a Chrome-based browser
>> (in my case, Chromium), and Webex is able to use the built-in screen
>> sharing functionality of Chrome to share your screen. The only caveat
>> I've found is that you must use Xorg, not Wayland, as Chromium
>> doesn't appear to support screen capture on Wayland.
>>
>>
>> On 2020-04-28 15:20, Phil Waclawski via PLUG-discuss wrote:
>>> Webex still does not have a Linux client (not even via web), so it is
>>> a no go for me except on my phone, and I can't teach class with a
>>> phone.  So still using Zoom.
>>> Phil W
>>>
>>> On Tue, Apr 28, 2020 at 11:32 AM der.hans via PLUG-discuss
>>>  wrote:
>>>
>>>> moin moin,
>>>>
>>>> I'll be posting something longer and positive about Big Blue Button
>>>> (
>>>> hopefully today ), but at this point we're probably all stuck using
>>>> a
>>>> variety of tools that others get to choose for us.
>>>>
>>>> Zoom fixed their waiting room security hole and Microsoft is still
>>>> learning how to safely display images.
>>>>
>>>> Both were fixed server side, so the holes should be gone.
>>>>
>>>> https://citizenlab.ca/2020/04/zooms-waiting-room-vulnerability/
>>>>
>>>>
>>> https://www.cyberark.com/threat-research-blog/beware-of-the-gif-account-takeover-vulnerability-in-microsoft-teams/
>>>
>>>>
>>>> Anyone know the state of webex? That's popped up for me due to the
>>>> recurring zoom issues.
>>>>
>>>> ciao,
>>>>
>>>> der.hans
>>>> -- 
>>>> #  https://www.LuftHans.com   https://www.PhxLinux.org
>>>> #  It's up to the reader to make the book interesting.
>>>> #  An author has only the opportunity to make it uninteresting. -
>>>> der.hans
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>>>
>>> -- 
>>>
>>> The Maricopa Community Colleges are now operating fully remotely. We
>>> hope you are safe and healthy during this time.
>>> My in person and hybrid classes are all meeting at the regular times
>>> via remote software. Lab and office hours as well. Please check Canvas
>>> for the details and links, or email me with further questions.
>>> -----------
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>
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DerpCon

[Donald Mac McCarthy via PLUG-discuss]

Morning all,

Just a quick heads up. DerpCon is the Denver Enterprise Risk
Professionals conference and is happening this Friday. It is a virtual
conference which is free to attend. They are taking donations to
COVID-19 relief on their ticket ordering process. This conference
primarily focuses on information security and penetration testing.

https://derpcon.io

FULL DISCLOSURE:
I (my company) am sponsoring this conference as well as presenting a
session in the Blue Team track.

Mac
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Re: buckling spring keyboards

[Donald Mac McCarthy via PLUG-discuss]

MX Cherry Greens as also a good choice for buckling spring keyboard
fans. I have a Das Keyboard 4 with the greens, and I love them. That
being said - I also have a second keyboard attached, as the people on my
conference calls can't stand them.

Mac

Jim via PLUG-discuss wrote on 4/17/20 9:53 PM:
> I've decided I want one of the buckling spring keyboards.  Would I be
> better off buying a new one from unicomp or one of the used IBM model
> M keyboards?
>
> thanks
>
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Re: Slack for PLUG

[Donald Mac McCarthy]

I know slack is not F/OSS, but it is nearly ubiquitous. Many of my
clients use it and as such, I use it to communicate with their team as
well. As much as I hate to admit it, I have 9 slacks open right now. It
can sometimes seem like too much, but it is nice to be able to check
messages in one interface and not 20.

https://slack.com/pricing

The users are not limited in the slack free plan, but it only stores the
last 10k messages. I believe the non-profit license comes with some
support which is why it gets limited. None of the data is stored
encrypted, although the client does use TLS for transport to and from
the server.

I would prefer that everyone use IRC or jabber since you can tie those
into the same client and even use PKI over jabber, but alas, they don't.
Slack is the new way of the world for the time being.

It could also help grow and expand the group by making it more
accessible to those who are not "if it isn't IRC or ICQ, get of my lawn"
type folks.

I would toss my vote for slack for none other than how I have seen it
help other users' groups grow.

Someday - I'll jump on the freenode IRC - I just have to remember which
server and which screen my irssi client live on.

Mac


Michael Butash wrote on 12/31/19 11:57 AM:
> I was looking at this for something else, and thought this might be
> nice for PLUG.  
>
> https://slack.com/help/articles/204368833-Slack-for-Nonprofits
>
> I use Slack chat a lot with various customers and partners, and it's
> free to nonprofits ala PLUG (I think) if under 250 users.  Not sure
> how many folks are actually joined to PLUG offer that to everyone
> (that would actually participate), but I'd be interested in joining it
> if one existed with the folks that normally participated here.
>
> Thoughts?
>
> -mb
>
>
>
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Free RAM

[Donald Mac McCarthy]

Following items free to good home. Hell, free to any home.

2x 2GB DDR2 SO-DIM
2x 2GB DDR3 SO-DIM
4x 2GB DDR3 DIMM
2x 2GB DDR667 DIMM
2x 1GB 1XR8 PC2-6400 DIMM

Let me know if you want them. They go to e-cycle on the 24th of December
if not claimed. I can possibly meet you in the east valley to exchange
depending on timing.

Mac
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Re: Networking Question

[Donald Mac McCarthy]

hael Butash wrote:
> > Linux networkmanager will assign a higher metric on non-ethernet
> > interfaces (ideally) to de-preference wireless over wired, but they
> > still both get an address.  In the same subnet, the metric is what
> > determines preference.  You can tweak metrics, but usually depend on
> > the network interface and system preferences.
>
> This makes sense.  The machine where I had 2 NICs on the same
> subnet, 1
> wired, 1 wireless, had the wired NIC with metric 203 and the wireless
> one with metric 304 in the output from "route -n".  Network
> Manager was
> not involved; just dhcpcd.  OTOH, dhcpcd probably understands what
> "wired" and "wireless" are and sets up the routes and metrics
> accordingly.  I think that if I set the metrics for enp1s0 and
> wlp3s0 to
> the same number, I'd get the terrible network problems I described
> earlier.
>
> > This has been a problem for decades, but generally managed by
> > networking stack setting metric preference on routes.  Wired ==
> best,
> > wireless, vpn, others, less. [...] This is standard networking.
>
> This is actually the first time I've heard of the "metric" thing
> in the
> kernel routing table.  This is probably because almost all of the
> machines I've dealt with over the last 20 years have had pretty
> simple
> networking configurations.
>
> -- 
> Crow202 Blog: http://crow202.org/wordpress
> There is no Darkness in Eternity
> But only Light too dim for us to see.
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Re: computer reboots on its own

[Donald Mac McCarthy]

Michael,
  My bad. It is lm-sensors. You have to run a sensors-detect (as root)
first. Then you can use sensors.

https://askubuntu.com/questions/53762/how-to-use-lm-sensors

Mac

Michael wrote on 11/1/19 4:24 PM:
> where is lmsensors. my websearch says it is lm-sensors and at says
> lm-sensors is the most recent version but neither lmsensors nor
> lm-sensors runs.
>
> On Fri, Nov 1, 2019 at 7:04 PM Michael  <mailto:bmi...@gmail.com>> wrote:
>
> Thanks for the tip! No fixing that:( Replace computer.
> You know it has been a while since a reboot.
>
>     On Fri, Nov 1, 2019 at 7:01 PM Donald Mac McCarthy
> mailto:m...@oscontext.com>> wrote:
>
> Well,
>   lmsensors will allow you too look at the temp of your CPU.
> If you are idling and the temp is say 30 degrees normally, and
> all the sudden you see the temp spike to 70 and a reboot
> happens, check your heatsink. If the proc is really 70c, you
> should not be able to get close to your heatsink without
> feeling heat. If you have an IR thermometer, point that at you
> heatsink and take a temp reading. If it is above ~50, you may
> have a real heat issue. If it is not, you may have a sensor on
> the board or cpu that went bad as reporting a bad temp causing
> a reboot/shutdown because of thermal emergency.
>
> Mac
>
> Michael wrote on 11/1/19 3:15 PM:
>> Interesting. So how do I check the sensor? How do I fix it?
>>
>> On Sat, Oct 26, 2019 at 12:27 AM Donald Mac McCarthy
>> mailto:m...@oscontext.com>> wrote:
>>
>> It is starting to sound like a thermal issue. And
>> possibly not an actual thermal issue, but a sensor issue.
>>
>> Mac
>>
>> Michael wrote on 10/25/19 7:24 PM:
>>> No, I didn't. Oh well
>>>
>>> On Fri, Oct 25, 2019 at 7:25 PM Donald Mac McCarthy
>>> mailto:m...@oscontext.com>> wrote:
>>>
>>> Mike, I am sorry that I din not get you a quick
>>> reply. I have been traveling a lot and was not
>>> frequently checking my plug folders. Did you figure
>>> this one out. I see there was some follow-up
>>> discussion with the rest of the list.
>>>
>>> Best,
>>> Mac
>>>
>>> Michael wrote on 10/19/19 4:20 PM:
>>>> apparently some guy had a similar problem and this
>>>> is what he said:
>>>> This command shows that my system came up with a
>>>> new kernel. Ubuntu 12.04 64 bit. 3.2.0-63 after
>>>> reboot, 3.2.0-61 before
>>>> – Antonios Hadjigeorgalis May 26 '14 at 14:20
>>>> 4
>>>> This led me to checking
>>>> etc/apt/apt.conf.d/50unattended-upgrades I had set
>>>> Unattended-Upgrade::Automatic-Reboot "true"; I
>>>> changed it back to the default setting of false.
>>>> – Antonios Hadjigeorgalis May 26 '14 at 15:31
>>>>
>>>> found- https://askubuntu.com/questions/202335/ ...
>>>> om-reboots
>>>> 
>>>> <https://askubuntu.com/questions/202335/how-can-i-track-the-cause-of-random-reboots>
>>>> but there was no 'unattended upgrades' line in
>>>>         /etc/apt/apt.conf.d/
>>>>
>>>>
>>>> On Sat, Oct 19, 2019 at 9:04 AM Michael
>>>> mailto:bmi...@gmail.com>> wrote:
>>>>
>>>> darn... it just rebooted on its own.
>>>> lovely:( well, it was fixed for fourteen days
>>>> at least.
>>>>
>>>> On Wed, Oct 9, 2019 at 1:07 PM Michael
>>>> mailto:bmi...@gmail.com>> wrote:
>>>>
>>>> Ok, thanks. 
>>>>
>>>> On Sat, Oct 5, 2019 at 11:26 PM Donald Mac
>>>> McCarthy >>> <mailto:m...@oscontext.com>> wrote:
>>>>
>>>>   

Re: New Router Purchase

[Donald Mac McCarthy]

I left the SOHO router game a number of years ago. I can't tell you what
the best consumer/prosumer routers are, but I can let you know what I
did a few years ago that changed me to an enterprise like architecture
for an affordable price.

 - Supermicro 8-Core Avaton mini-server with 16GB RAM and an SSD running
pfSense (~$500)
 This is a gigabit capable firewall even when running light IDS,
OpenVPN server, and routing. The avaton is also light on the power
budget. You can also use an old dual core desktop and get into the
250-350 Mb/s range.

 - Ubiquiti UniFi 24 port 250W PoE switch. (~$200)
 This is a very capable managed switch that will happily power
multiple UniFi APs or other PoE devices. It has some basic layer 2 and
layer 3 management. The edgerouter has more features, but comes at a
higher pricetag.

- Ubiquiti UniFi AP-AC-PRO access points (~$150 each)
 These will need a controller to get them set up properly, but it
does not always need to run for them to work. It will need to be powered
on to make config changes and update the APs.


Those 3 were what I started with. I was so happy to finally separate
functions of WiFi and routing apart, as being able to run multiple SSIDs
on different segments was an aim I had. I have since grown a small
server and VM farm in our laundry room and separated out many more of
the features from the pfSense. I do think I have hit the threshold of my
Wife's tolerance of servers in the laundry room. That is something you
may need to factor into the risk assessment before going down this road ;).

It does cost a bit more than the ~$300 I paid for my last higher end AC
prosumer nighthawk router, but I actually have controls in my home
network now. My kids aren't always a fan of them. That may be somethign
else that you put in the risk assessment.

My $0.02


Mac

techli...@phpcoderusa.com wrote on 10/26/19 12:10 PM:
>
> Hi,
>
> It appears I am having Internet router problems.  Occasionally I will
> not be able to access the Internet for a few seconds to a minute or
> so.  This morning I was not able to access the Internet at all. 
>
> I am with Cox and have a home office business account.  I called Cox
> and they suggested bypassing my router and connect directly to their
> modem.  That worked.  Based on that I think my router is going bad.  
>
> I had turned off the modem and the router for a maybe an hour or so
> while I did other things.  I now have access.
>
> I would like a secure router.  Cox says almost any modern router will
> be secure.  Security is a big issue.  When I look at all the WiFi that
> is available in my neighborhood I see maybe 10 routers.  That is scary! 
>
> Since I have a business account that allows servers I have been using
> port forwarding.  I am a programmer and occasionally I fire up my
> laptop turned server for testing. 
>
> I also have set up my WiFi to only accept those devices that I have
> configured by MAC address. 
>
> Any toughs on my pending router purchase?
>
> Thank you so much for all your feedback!!
>
> Keith 
>
>
>
>
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Re: Ubutu cox and Thunderbird?

[Donald Mac McCarthy]

Mike,
  Instead of turning off VPN to send email, you could put in a more
specific route so that you don't have to loose your VPN for all outgoing
connections while sending mail.

Mac

mike enriquez wrote on 10/15/19 6:38 AM:
>
> I found my Cox smtp problem. Cox was having trouble with reverse DNS
> locating my IP address. I turned off my VPN and I can send out email. 
> I am going to turn on my VPN. If I have to choose I will select VPN
> over SMTP problems. 
>
> Thanks to all who replied.
>
> Mike Enriquez
>
> On 10/14/19 7:38 PM, Thomas Scott wrote:
>> Cox's email platform was recently upgraded, I'd check to see if
>> you're using TLS instead of the SSL 3.0 and below. I would third the
>> recommendation to get off of Cox's email platform, and I'm writing
>> this sitting in Cox's Atlanta NOC. From what I've seen, our IT/Data
>> side is moving away from anything customer facing that isn't
>> automated and revenue friendly - e-mail is a part of that bit bucket. 
>>
>> 
>>  
>> Thomas Scott
>> about.me/thomas.scott
>> 
>>
>>
>>
>>
>> On Mon, Oct 14, 2019 at 10:26 PM mike enriquez > > wrote:
>>
>> Cox has new policies. A friend in my area uses incredimail and he
>> has the same issues with cox.
>>
>> I can receive email but I cannot send it out. I am currently
>> using Cox Webmail.
>>
>> Thanks for the comments everyone.
>>
>> Mike Enriquez
>>
>>> On October 14, 2019 at 8:52 PM Matthew Crews
>>> mailto:mailingli...@mattcrews.com>>
>>> wrote:
>>>
>>>
>>> On 10/14/19 10:55 AM, mike enriquez wrote:
 I have a fresh install of Ubuntu and Thunderbird email client. 
 The SMTP
 server keeps timing out. Cox cannot help me because I have a Linux
 computer. I changed the Port numbers and still I cannot send
 email out.

 I am sending this via Web-mail.

 Does anyone have and ideas I should try.
>>>
>>> That's odd. I used Cox email for years with Thunderbird without
>>> issues.
>>> Maybe they changed something on their back end?
>>>
>>> Are you sure you are connecting to the correct SMTP server?
>>>
>>> Also Cox should not care what operating system you are using.
>>> Thunderbird is OS agnostic software. Their instructions for using
>>> Thunderbird on Windows should be sufficient.
>>>
>>> -Matt
>>>
>>> 
>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
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