[Openswan Users] Strange problem after updating from kernel 2.6.8 to 2.6.18
bb at apc.ag
Mon Dec 10 05:41:11 EST 2007
I have a very strange problem with Openswan.
I upgraded my server from Debian Sarge to Debian Etch, so the kernel got
upgraded from 2.6.8 to 2.6.18 and Openswan to 2.4.6.
But IPSEC simply stopped working. Everything is reported as OK, the SAs are
there, routes correct, everything. However, not data go through the tunnel.
Only rebooting to 2.6.8 helps. With that, everything works perfectly. (I'd
like to use the new functions of 2.6.18, so this is not a perfect solution.)
I'm very sure that it isn't a firewall problem. I let through all IPSEC
packets using iptables "-m policy --pol ipsec" and got matches in "iptables
-L -n -v", so the packets should be accepted by the firewall. Also, all my
chains have a LOG target at the end so I should notice if the packets get
Any ideas what could be wrong?
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