Re: what process is sending this packet?

[Camaleón <noelamac@gmail.com>]

On Mon, 27 Dec 2010 06:29:54 -0800, S Mathias wrote:

> I can see, that theres a program that keeps sending packets on port 25:
> 
> Dec 27 14:11:46 a kernel: [ 6336.992320] O_D_LOG: IN= OUT=lo
> SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=61533 DF
> PROTO=TCP SPT=37263 DPT=25 WINDOW=32792 RES=0x00 SYN URGP=0 

(...)
 
> but where or how could i find out, that what process sends these
> packets?

The process is sending packets through the loopback interface to itself, 
on port 25, so maybe is your e-mail service sending a notification 
message :-?

netstat -apnt | grep 127.0.0.1:25

Greetings,

-- 
Camaleón