Knowledgebase : Firewall
This problem is caused by the Access Control List (ACL) on the 5200 series. By default even with the firewall disabled, the 5200 series only allows everything to go out from the LAN to the WAN. It is normal to find that you cannot ping, telnet, FTP, or ...
 The Firewall Log is a vary useful tool, it will list the ports which are blocked by the firewall appears in the Event Log. You can use this information by adding a rule in the Packet Filtering List to unblock the port. Once the Firewall Log is enabled...
The URL filter database is used for internet filtering that blocks access to unwanted web content by URLs. Below is how to set up the URL Filter in the Billion device.Once the URL is set up correct you can test it by go to a web site already submitted in ...
The Packet Filter list function is only available when the Firewall is enabled and one of these four security levels is chosen (All blocked, High, Medium and Low). The preset port filter rules in the Packet Filter must modify accordingly to the level of F...