Изменения

чуть-чуть

картинки

=== Transport mode ===

=== Tunnel mode ===

* [[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]