==== История ====чуть-чуть==== Архитектура ====картинки==== Режимы ======= Transport mode ====== Tunnel mode ======= Использование ======== Источники информации ====* [[wikipedia:IPsec|Wikipedia {{---}} IPsec]]* [http://www.ixbt.com/comm/ipsecure.shtml IPSec — протокол защиты сетевого трафика на IP-уровне]* [http://unixwiz.net/techtips/iguide-ipsec.html An Illustrated Guide to IPsec ]* [https://tools.ietf.org/html/rfc4301 Security Architecture for the Internet Protocol]
