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system_modules

Load or unload the following system modules:

  • dns
  • h323
  • irc
  • pptp
  • sip
  • tftp

By default, system modules are loaded.

Command

system system_modules

Syntax

system system_modules
dns [load | unload]
h323 [load | unload]
pptp [load | unload]
irc [load | unload] [port] [portname] [default]
sip [load | unload] [portname] [default]
tftp [load | unload] [portname] [default] [show]

Options

dns [load | unload]

The DNS module learns the subdomains of non-local DNS traffic.

h323 [load | unload]

The H.323 standard provides a foundation for audio, video, and data communications across IP-based networks, including the internet.

pptp [load | unload]

Point to Point Tunneling Protocol (PPTP) is a network protocol that enables the secure transfer of data from a remote client to a private server, creating a point-to-point VPN tunnel using a TCP/IP-based network.

irc [load | unload] [port] [portname] [default]

Internet Relay Chat (IRC) is a multi-user, multi-channel chatting system based on a client-server model. A single server links with many other servers to make up an IRC network, which transports messages from one user (client) to another. In this manner, people from all over the world can talk to each other live and simultaneously. DoS attacks are very common as it's an open network, and performance is affected with no control over file sharing.

sip [load | unload] [portname] [default]

Session Initiation Protocol (SIP) is a signaling protocol which enables the controlling of media communications such as VoIP. The protocol is generally used to maintain unicast and multicast sessions of several media systems. SIP is a text-based and TCP / IP-supported application layer protocol.

tftp [load | unload] [portname] [default] [show]

Trivial File Transfer Protocol (TFTP) is a simple form of the file transfer protocol (FTP). TFTP uses the user datagram protocol (UDP) and provides no security features.