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ip_conntrack
2005 Oct 03
0
SIP qualify question.
...t unreachable message, what is the behavior of
Asterisk?
It looks to me like Asterisk tries sending the OPTION request again right away
(well within a second or two).
Some of our devices are being Linux firewalls that make use of iptables to do
portforwarding. This generates entries in /proc/net/ip_contrack. From time
to time, these entries get out of whack or a connection gets stale and inbound
requests start getting rejected with port unreachable messages.
In order to get things working again, I need to expire the corresponding entry
in ip_conntrack (I have my timeouts set low -- to 15 seconds)....