Re: nf_conntrack_sip problem

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Joerg Dorchain wrote:
Hello,

I have some problems understanding nf_conntrack_sip. I want to
use it avoid having static entries for the rtp stream, as IMHO
those should be catched by a RELATED rules when nf_conntrack_sip
works properly.

I have a machine with a pppoe interface connected to the
internet, with asterisk running on it, and a small local network
behind it on eth1, where I want to force sip traffic going
through the local asterisk.

Unfortunately it doesn't work as expected. I use vanilla kernel
2.6.30. My iptable rules that do not work look like this:

Maybe I am missing something obvious, but I'd appreciate a hint.
(yes, nf_conntrack_sip is loaded)

Depending on how your SIP provider works, you might need to set the
sip_direct_signalling option to zero (in case signalling connections
can arrive from different addresses than the one registered with),
additionally you might need to set the sip_direct_media option to
0 in case the RTP streams arrive from different addresses than the
signalling endpoint.

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