Enabling And Disabling Recovery Password; Enabling And Disabling Telnet Access; Enabling Syn Cookies - Avaya G250 Administration

Accessing the Avaya G250/G350 Media Gateway

Enabling and disabling recovery password

The G250/G350 includes a special recovery password. The purpose of the recovery password
is to enable the system administrator to access the G250/G350 in the event that the regular
password is forgotten. You can only use the recovery password when accessing the G250/
G350 via a direct connection to the console port. See
page 35.
You can use the set terminal recovery password command to enable or disable the
recovery password. You can only use this command when accessing the G250/G350 via a
direct connection to the console port.

Enabling and disabling telnet access

You can enable and disable the G250/G350's ability to establish incoming and outgoing telnet
connections, using the following commands. You can only use these commands when
accessing the G250/G350 via a direct connection to the console port. See
console device
Use the ip telnet command to enable the G250/G350 to establish an incoming telnet
●
connection. Use the no form of this command to disable the G250/G350's ability to
establish an incoming telnet connection.
Use the ip telnet client command to enable the G250/G350 to establish an
●
outgoing telnet connection. Use the no form of this command to disable the G250/G350's
ability to establish an outgoing telnet connection.

Enabling SYN cookies

This section describes how SYN cookies provide protection against SYN attacks, and how to
enable SYN cookies, and includes the following topics:
Overview of SYN cookies
●
SYN attacks
Configuring SYN cookies
●
Maintaining SYN cookies
●
statistics
54 Administration for the Avaya G250 and Avaya G350 Media Gateways
on page 35.
— describes SYN attacks and how SYN cookies protect from
— instructions on how to configure SYN cookies
— instructions on how to display and clear SYN cookies
Accessing CLI with a console device
Accessing CLI with a
on