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WAN ○ -------> ○ LAN -------> <span style="color:red">● server</span> | WAN ○ -------> ○ LAN -------> <span style="color:red">● server</span> | ||
* testing on localhost if you have the | * testing on localhost if you have the administrative permission to manage the server: | ||
** Check if your computer/server Is being assigned the IP Address. | ** Check if your computer/server Is being assigned the IP Address. | ||
*** {{Linux}}: (1) Check the IP Address. {{kbd | key = ifconfig}}. (2) Re-assign the IP Address and restart the networking service. {{kbd | key = service network restart}} for CentOS<ref>[http://askubuntu.com/questions/230698/how-to-restart-the-networking-service How to restart the networking service? - Ask Ubuntu]</ref> | *** {{Linux}}: (1) Check the IP Address. {{kbd | key = ifconfig}}. (2) Re-assign the IP Address and restart the networking service. {{kbd | key = service network restart}} for CentOS<ref>[http://askubuntu.com/questions/230698/how-to-restart-the-networking-service How to restart the networking service? - Ask Ubuntu]</ref> | ||