Hi,
I am using Shorewall on my home router and it runs fine. I just have one
problem when my ppp0 interface IP address is changed.
My internal (LAN) interface is br0 and the internet interface is ppp0 which
is a DSL connection to my ISP.
All internal traffic is masquaraded to the ppp0 IP address when reaching
internet.
Whenever, the dsl connection is lost or shutdown intentionally, I begin to
have problems with my nat connections.
Especially if the connection is UDP based.
For example, when I check the "shorewall show connections" output I still
see that my Asterisk server is still sending the SIP messages to the
internet with previous ppp0 IP address.
If I shutdown the LAN interface and wait for 5 minutes, and then re-up the
LAN interface, the connection becomes refreshed with the new ppp0 IP
address.
But 5 minutes is a long time. How can I force the active nat connections to
be reset whenever my ppp0 is down/up ?
Thanks,
ilker
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