[strongSwan-dev] ESP Sequence

Martin Willi martin at strongswan.org
Fri Feb 3 14:53:30 CET 2012


Hello Daniel,

> how can you ask the kernel what is the value of the ESP sequence
> counter at anytime? 

Have a look at the get_replay_state() function at [1], it gets the
replay state from a kernel SA. We use it to adjust the replay state
after updating addresses of an SA.

Regards
Martin

[1]http://git.strongswan.org/?p=strongswan.git;a=blob;f=src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c#l1494





More information about the Dev mailing list