From: Simon Arlott <[email protected]>
Date: Tue, 04 Dec 2007 18:53:19 +0000
> If I have a IPsec rule like:
> spdadd 192.168.7.8 1.2.3.4 any -P out ipsec esp/transport//require;
> (i.e. a remote host 1.2.3.4 which will not respond)
>
> Then any attempt to communicate with 1.2.3.4 will block, even when using non-blocking sockets:
If you don't like this behavior:
echo "1" >/proc/sys/net/core/xfrm_larval_drop
but those initial connection setup packets will be dropped while
waiting for the IPSEC route to be resolved, and in your 8 hour case
the TCP connect will fail.
Anyways, the choice for different behavior is there, select it
to suit your tastes.
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