Avaya BSGx4e CLI User's Guide download pdf (Page 112)

Security commands 3 Configuration commands

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security alg

The Application Layer Gateway (ALG) enables the transfer of FTP, PPTP, and

TFTP traffic through the firewall policies and NAT. This is done by creating

dynamic holes in the firewall and changing IP addresses in application

protocol headers.

FTP is commonly used to transfer files over the Internet.

TFTP (Trivial File Transfer Protocol) is a simple version of the FTP protocol

used to transfer files over the Internet.

Point-to-Point-Tunneling Protocol (PPTP) is a networking technology that

supports multiprotocol virtual private networks (VPN), enabling remote

users to access corporate networks securely across the Microsoft Windows

operating systems and other point-to-point protocol (PPP)-enabled systems.

Syntax config security alg ftp [yes|no] pptp [yes|no] tftp [yes|no]

Parameters ftp yes|no Enable/disable ALG for FTP traffic.

pptp yes|no Enable/disable ALG for PPTP traffic.

tftp yes|no Enable/disable ALG for TFTP traffic.

Example > config security alg ftp yes

commands

display security alg

show security alg

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Avaya BSGx4e CLI User's Guide Page 112