some service is causing DNS query and therefore dial out

Philip Hallstrom philip at adhesivemedia.com
Wed Apr 23 15:27:43 PDT 2003


Install the lsof port and then run "lsof -i"  although be sure to tell it
not to resolve ip addresses otherwise it will cause a dial out :)


this might help track it down...

-philip

On Thu, 24 Apr 2003, DJ Boris wrote:

> hi there,
>
> I am having a problem tracking down "something" that triggers a dial out on
> my
>
> FreeBSD 4.7-RELEASE FreeBSD 4.7-RELEASE #0: Wed Oct  9 15:08:34 GMT 2002
> root at builder.freebsdmall.com:/usr/obj/usr/src/sys/GENERIC  i386
>
> It is somethign trying to do a DNS query
>
> Apr 24 00:01:42 fbsd ppp[45]: tun0: TCP/IP: OUT UDP:
> xxx.xxx.xxx.xxx:1040 ---> xxx.xxx.xxx.xxx:53 (44/72)
>
> Apr 24 00:01:42 fbsd ppp[45]: tun0: TCP/IP: OUT UDP:
> xxx.xxx.xxx.xxx:1040 ---> xxx.xxx.xxx.xxx:53 (44/72)
>
> Apr 24 00:01:42 fbsd ppp[45]: tun0: TCP/IP: OUT UDP:
> xxx.xxx.xxx.xxx:1040 ---> xxx.xxx.xxx.xxx:53 (39/67)
>
> Apr 24 00:01:42 fbsd ppp[45]: tun0: TCP/IP: OUT UDP:
> xxx.xxx.xxx.xxx:1040 ---> xxx.xxx.xxx.xxx:53 (50/78)
>
> Apr 24 00:01:42 fbsd ppp[45]: tun0: TCP/IP: OUT UDP:
> xxx.xxx.xxx.xxx:1040 ---> xxx.xxx.xxx.xxx:53 (39/67)
>
> Apr 24 00:01:42 fbsd ppp[45]: tun0: TCP/IP: OUT UDP:
> xxx.xxx.xxx.xxx:1040 ---> xxx.xxx.xxx.xxx:53 (50/78)
>
>
> I have sendmail but I have removed the "-q" flag so I only call that from
> ppp.linkup file. how can I track down what this service is? can anyone give
> me any ideas? this server is alone on the LAN at the moment?
>
> I have a DNS server running but I have heartbeat-interval set to 0.
>
> I have spent hours looking through the logs and tracking the times but I
> don't seem to be able to identify what is causing this.
>
> can someone help me out here? what conf files do I need to give you?
>
> thanx a lot
>
> DJ Boris
>
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