Re: [swinog] NAS Housing

[Patrick Velder]

Hi SwiNOG

Of course I mean DS216j, not a RackStation.

Regards
Patrick

Am 4. Januar 2017 23:35:21 MEZ schrieb Patrick Velder :
>Hi SwiNOG
>
>Currently I'm looking for housing of my private Synology RS216 NAS 
>(backup purposes) with the following requirements:
>
>- Housing for a small MikroTik (RB750GL, ..)
>- Housing for the NAS
>- 1x IPv4 / routed IPv6 /64 (or BGP, I'll bring /24 and /48)
>- No colozüri
>
>If someone can offer that, please contact me :-)
>
>Thanks and best regards
>Patrick
>
>
>
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[swinog] using Git as a database back-end

[Stanislav Sinyagin]

hi all,

I'm preparing a new release of Torrus software, and it will replace
BerkeleyDB back-end with Git.

It appears that libgit2 provides a new, a bit tricky in learning, but very
efficient object storage, and change tracking is available out of the box.

In general, you can read and write your data objects directly in the Git
repository, without the need of checking in and out the files in your
filesystem. Also the objects can be automatically compacted, and that
allows storing millions of objects without too much load on the filesystem
resources and inode count.

Of course it's not a fully blown database, and not even something like
MongoDB, but it really is usable and convenient for document storage
systems.

Here are few working examples of using libgit2 (particularly, with its Perl
binding, but it's similar in other programming languages):
https://github.com/ssinyagin/git_raw_excercise

Also, the new Torrus branch, and changes document:
https://github.com/ssinyagin/torrus-newfeatures/tree/v3
https://github.com/ssinyagin/torrus-newfeatures/blob/v3/src/doc/devdoc/v3_changes

If there's interest in the topic, I will prepare a presentation for the
next Swinog meeting.




-- 
Stanislav Sinyagin
Senior Consultant, CCIE #5478
ssinya...@k-open.com
+41 79 407 0224

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[swinog] NAS Housing

[Patrick Velder]

Hi SwiNOG

Currently I'm looking for housing of my private Synology RS216 NAS 
(backup purposes) with the following requirements:


- Housing for a small MikroTik (RB750GL, ..)
- Housing for the NAS
- 1x IPv4 / routed IPv6 /64 (or BGP, I'll bring /24 and /48)
- No colozüri

If someone can offer that, please contact me :-)

Thanks and best regards
Patrick



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Re: [swinog] UPC Mailservers problems with greylisting

[Per Jessen]

Viktor Steinmann wrote:

> On 04.01.2017 08:54, Per Jessen wrote:
>>
>> Is there any point in greylisting genuine mailservers?  We only
>> greylist dodgy-looking setups.
>>
>>
>> /Per
>>
> I don't see how this approach would scale. 

To my knowledge, it scales quite well. We maintain a list of regex
server-name patterns that we consider 'dodgy' as well as a whitelist. 
If a reverse lookup matches one of these patterns, we greylist.  There
are some more checks, e.g. on the HELO, but the reverse mapping is the
main one.  We run this on a cluster of some 45-46 boxes.  The list of
patterns is fairly stable. 


-- 
Per Jessen, Zürich (1.9°C)
http://www.dns24.ch/ - your free DNS host, made in Switzerland.



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Re: [swinog] UPC Mailservers problems with greylisting

[Beat Siegenthaler]

On 03.01.17 16:27, Benoit Panizzon wrote:
> Same Problem here, since at least 24. December.
>
Same here since beginning of december. Whitelistied UPC  9.12. 21:37

I do not greylist servers with correct spf record. With UPC i think the
main problem is the missing NDR.

happy new year!!

Beat


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Re: [swinog] UPC Mailservers problems with greylisting

[Klaus Ethgen]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Hi,

Am Mi den  4. Jan 2017 um  8:54 schrieb Per Jessen:
> Is there any point in greylisting genuine mailservers?  We only greylist
> dodgy-looking setups. 

I had the same in mind but didn't post as I only run a small server
pressent days.

I utilize grossd and use several blacklists (also not that trusted ones)
to decide who to greylist and who not.

   dnsbl = blacklist.woody.ch;2
   dnsbl = bl.spamcop.net
   dnsbl = ix.dnsbl.manitu.net
   dnsbl = pbl.spamhaus.org
   dnsbl = sbl-xbl.spamhaus.org

That setup made it really good. "Normal" mailservers get their mails
delivered without any interuption and even if you end on a blacklist for
whatever reason, your mail can get delivered later.

Regards
   Klaus
- -- 
Klaus Ethgen   http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16Klaus Ethgen 
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Re: [swinog] UPC Mailservers problems with greylisting

[Viktor Steinmann]

On 04.01.2017 08:54, Per Jessen wrote:


Is there any point in greylisting genuine mailservers?  We only greylist
dodgy-looking setups.


/Per

I don't see how this approach would scale. We greylist everything. If 
some mail servers appear to have a problem with that and are legit, they 
are whitelisted. That approach scales for us.


Kind regards,

Viktor


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