Hi,

I'm trying to perform HTTP Logging on mirrored GTP traffic, but only a minimal 
amount of entries are exported.
I'm using the HTTP plugin successfully on the same machine with non-GTP traffic.

I've done some analysis and I can't figure out why so few, or no, log entries 
are exported, when there clearly is more HTTP traffic there. I've done traces 
to confirm this.
A 4MB tcpdump trace shows almost 6000 packets on port 80, to and from various 
ip addresses.
The output from nprobe with -b show only 23 'Emitting Flow' lines, where 
destination is port 80 or 8080, like this one:

25/Feb/2011 15:46:04 [engine.c:1332] Emitting Flow: [->][tcp] 
10.120.3.224:58172 -> xx.129.226.20:80 [7 pkt/1062 bytes][ifIdx 0->0][1.3 sec] 
[TunnelId 1298026309]

But in this period NO entry was written in the http_igb1_timestamp.txt file.

This is how I started the process:
/usr/local/bin/nprobe -n none -i igb1 --tunnel --http-dump-dir /data/HTTP -b 2

nProbe version: nprobe_6.1.6_013011_proplugins
OS: FreeBSD 8.1 (i386)

What can be the issue here?
I've had this running for a few hours and occasionally some URLs are exported.


Regards,

Dánial


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