are net/ipv4/ipip.c and net/ipv4/tunnel4.c necessary to implement IPsec for Linux? What is the general functionalities of these two files? IPsec is done by net/ ipv4/ah4.c and net/ipv4/esp4.c, isn't it? How are they connected with ipip.c and tunnel4.c? ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html