I have several questions about IPSec, maybe you can help me, thanks! 1 could you tell me the function of _struct xfrm_tmpl_? I have not a clear idea about it. 2 will IPSec be back ported to kernel 2.4? Thanks, Forrest - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html