Firewall

A firewall is a part of a computer system or network that is designed to block unauthorized access while permitting authorized communications. It is a device or set of devices which is configured to permit or deny computer applications based upon a set of rules and other criteria (source Wikipedia).

Configuring firewall for TelcoBridges products

Here is a list of requirements for system administrators that wants a firewall to protect their systems.

Toolpack requirements

Mandatory

• System_Id in UDP and TCP (Default: 12358).
  
• MySQL in TCP (Default: 3306).
• All ports in the Tmedia Control Network interfaces in UDP and TCP.
  

Optional

• H.248  in UDP (Default: 2944).
  

H.323 signaling converter requirements

Note: TelcoBridges H.323 signaling converter will modify the firewall according to its configuration.

Mandatory

• H.323 in UDP (Default: 1720).
• SIP in UDP or TCP (Default: 5060).