Hi Igor, > Is $PLUTO_XAUTH_ID no more at Strongswan 5? If so, how to get Xauth > user id when using IKEv1? No, this variable is missing in the charon IKEv1 implementation. I've pushed a patch [1] that fixes this. Regards Martin [1]http://git.strongswan.org/?p=strongswan.git;a=commitdiff;h=5b89e3b0