[Freeswitch-users] iptables dropping SIP packets..?

[Thomas Mueller]

On 17.11.2011 14:06, Avi Marcus wrote:
> Service: sip (udp/5060) (nf_ct_sip: dropping packet) - 9 packets
>
> I see this every few days - it's via an IP with a Yealink T20p phone. 
> I've tried looking this up in the past.. but I don't understand what 
> rules would be dropping this, and what is being dropped.
> Any clues on how to investigate?

Maybe this is related to this bugreport?

nf_ct_sip dropping SIP messages larger then MTU
http://bugzilla.netfilter.org/show_bug.cgi?id=760

There is some possibility that you don't need the nf_ct_sip - just 
unload it (modprobe -r) and if it works, do blacklist the module in (for 
exmple in /etc/modprobe.d/00-my-local.conf )

- Thomas

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