On Sun, May 11, 2008 at 1:30 PM, Niall O Broin <niall at linux.ie> wrote:
> I have a server w.x.y.z running an snmpd which claims it is being queried
> by another server (claims == Connection from TCP: [a.b.c.d] in
> net-snmpd.log) . Now, a.b.c.d should not be making snmp connections to
> w.x.y.z so to check, I ran tcpdump on a.b.c.d and sure enough, there it is
> making connections to w.x.y.z - but I still have no idea what process is
> making these spurious connections.
>> So the question now is how do I found out what process is doing this?
> tcpdump will tell me the source port of the packets, but that's fairly
> transient? Is there some way of persuading tcpdump to tell me the pid of the
> process sending the packets? Thinking about the operation of tcpdump, I
> can't see how there would be, but I live in hope that one of you geniuses
> will have an answer for me ;-)
Run identd on a.b.c.d and wrap snmpd on w.x.y.z in tcpd; add a script trap
to tcpd to query authd on a.b.c.d?
Colm Buckley / colm at tuatha.org / +353 87 2469146
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