a00fff17_Point_to_Point_on_PIX__Description
[Command] sysopt connection permit-ipsec [Description] 
Allows traffic from an established IPSec connection to bypass the normal checking of access lists, conduit commands, and access-group commands. In other words, if an IPSec tunnel has been established, this command means that the traffic will be allowed through the interface on which the tunnel was terminated.
Point-to-Point on PIX
Description