Nat

iptables - how to access local server using external ip - Firewall - General-Networking

http://www.tomshardware.com/forum/12532-42-iptables-access-local-server-external How to do “NAT Loopback” with IPtables

iptables - how to access local server using external ip - Firewall - General-Networking

http://www.tomshardware.com/forum/12532-42-iptables-access-local-server-external How to do “NAT Loopback” with IPtables

iptables - how to access local server using external ip - Firewall - General-Networking

http://www.tomshardware.com/forum/12532-42-iptables-access-local-server-external How to do “NAT Loopback” with IPtables

[RUS] Как мы 10Gigabit на Linux роутере маршрутизировали | Linux 10Gb router used in production test on live network

http://nag.ru/articles/article/19974/kak-my-10gigabit-na-linux-routere-marshrutizirovali.html

HOWTO Setup A Remote SIP Extension | FreePBX

http://www.freepbx.org/support/documentation/howtos/howto-setup-a-remote-sip-extension notes on how to setup a “remote extention”, i.e. you have asterisk PBX in the office, but you want to place 1 IP Phone at home. “IP phone at home” is the “remote extention”. Notes explain how to work around NAT gotchas.