Re: (PM) SNMP

John Nowack (john@tremont.dpc.net)
Tue, 14 Jul 1998 07:41:07 -0500

>> I had noticed some messages on the Portmasster3 console before like this:
>> SNMP: Bad Community - public
>> SNMP: Bad Community - public
>> It had me mildly interested in who or what was trying to read SNMP info
>> from my Portmasters. So I decided to find out. I made a little
>> filter to ptrace it:
>> 1 permit 0.0.0.0/0 xxx.xxx.xxx.xxx/32 udp dst eq 161
>>
>> Now I can see my SNMP monitoring stuff querying the PM every so often,
>> but now and again I get the "bad community" message come up with no
>> ptrace info within 3 minutes either side of it.
>>
>> What am I missing?
>
>Hmm...does the PM have any other interfaces on it that the user may be
>connecting too (remember any numbered ptp or frame links have
>subinterfaces that are network accessible) with a different IP address? Do
Nope. This PM is one of two that sit in a remote POP behind a cisco
router. No frame, no ptp, no ether sub-interfaces.

John

--
John Nowack
john@dpc.net
DPConsultants, Inc.
Sys Admin -- dpc.net
309-925-2451
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