As long as you support SMTP AUTH, I think that should be sufficient.  If 
necessary, someone could always create a Gmail account for this purpose.

 

Yes, there are some older devices that expect you to set them up as an MTA 
rather than MUA so they can send unauthenticated SMTP on port 25.  That sounds 
like a really bad plan to me unless you time travel back to maybe 1999.  I 
don’t want to be creating SPF and DKIM and DMARC records for a little contact 
monitoring box, and it sounds like a security nightmare.

 

From: AF <af-boun...@af.afmug.com> On Behalf Of Forrest Christian (List Account)
Sent: Wednesday, May 8, 2024 4:13 PM
To: AnimalFarm Microwave Users Group <af@af.afmug.com>
Subject: Re: [AFMUG] SNMP

 

Some devices can be configured to send an email if a contact closes, but the 
way this happens varies between devices.

 

My problem with integrating this on the the sitemonitor platform has 
traditionally been that you need a rule system in order to determine when to 
send the email.  I.E. what threshold of voltage, and so on.   This is obviously 
easy in a on/off situation, but not so much in a voltage.   Plus you need 
additional rules so when the voltage is bouncing between 24.0 and 24.1 and you 
have the threshold set at 24.0 you don't get an email every time it flaps to 
24.0.    All of this was impossible to do on the older hardware just because of 
code space limitations.  

 

The Base 3 has the resources to do this, but the firmware has not yet been 
completed.  There is a rules engine about 3/4 built for the sitemonitor system, 
how long until it sees the light of day, I don't know at this point.   The 
email itself is somewhat easy but I also need to provide some sort of email 
server resources for those who don't have an email system which will accept 
email from random devices.

 

On Wed, May 8, 2024 at 2:55 PM Ken Hohhof <khoh...@kwom.com 
<mailto:khoh...@kwom.com> > wrote:

Not following how you are going to use SNMP without a monitoring system.

Packetflux Sitemonitor can turn a contact closure into a 1 or 0 OID that an 
SNMP monitoring system can check at regular intervals, mine mostly polls every 
1 minute. But then you would typically have your NMS send an alert by email or 
text message.

I tend to monitor analog parameters like voltage or current, then set trip 
points for the NMS to send an informative message. Like UPS input voltage at 
the Podunk site has been below the minimum value of 100 V for more than 2 
minutes.

---- Original Message ----
From: "Chuck McCown via AF" 
Sent: 5/8/2024 2:41:36 PM
To: "TJ Trout" , "AnimalFarm Microwave Users Group" 
Cc: ch...@go-mtc.com <mailto:ch...@go-mtc.com> 
Subject: Re: [AFMUG] SNMP

So how do Forrest’s products let you know of an issue?  Traps?

 

\Would love to NOT have to have NMS just for this.  

 

 

From: TJ Trout 

Sent: Wednesday, May 8, 2024 1:35 PM

To: AnimalFarm Microwave Users Group 

Cc: Chuck McCown 

Subject: Re: [AFMUG] SNMP

 

Packet flux can do it all too, the base unit can monitor two voltages and temp 
and a few contact closures, if you need more volt inputs or closures you add a 
expansion unit. No email that I'm aware of

 

On Wed, May 8, 2024, 12:23?PM Chuck McCown via AF <af@af.afmug.com 
<mailto:af@af.afmug.com> > wrote:

No, we have fuse alarms, rectifier, inverter, and other comm equipment alarm 
contacts.  Circuit breaker alarms.  That is why historically I liked the 
netguardian product.  It eats everything.  Monitors DC voltages etc.  Temps

 

 

 

From: Bill Prince 

Sent: Wednesday, May 8, 2024 1:13 PM

To: af@af.afmug.com <mailto:af@af.afmug.com>  

Subject: Re: [AFMUG] SNMP

 

I think if your installed equipment all came from one vendor, there might be 
some way to do their proprietary monitoring solution.

However, SNMP as flawed as it might be, is the only standard that is nearly 
universal (because some implementations are better than others).

 

bp
<part15sbs{at}gmail{dot}com>

On 5/8/2024 11:30 AM, Chuck McCown via AF wrote:

We are needing to add some monitoring of old fashioned alarm contacts in one of 
our sites.  In the past I used Netguardians.  Not sure what Forrest has.  

 

Is SNMP still the defacto NMS comm method or are there better more modern stuff 
out there we should be looking at?

 

 

Best Regards,
Chuck McCown

McCown Technology Corporation 
8401 N Commerce Dr
Lake Point, Utah 84074
801-250-9503 Office
435-830-4306 Cell
www.mccowntech.com <http://www.mccowntech.com> 
www.microtrench.pro <http://www.microtrench.pro> 
www.terabitnetworks.com <http://www.terabitnetworks.com> 

 


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- Forrest

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