Huawei AR1200 Series User Manual

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5.4.6 (Optional) Configuring the STelnet Server Parameters
You can configure a device to be compatible with earlier versions of the SSH protocol, configure
or change the listening port number of an SSH server, set an interval at which the key pair of
the SSH server is updated.
Context
Table 5-4 lists server parameters.
Table 5-4 Server parameters
Server
Parameter
Description
Earlier SSH
version
compatibility
There are two SSH versions: SSH1.X (earlier than SSH2.0) and SSH2.0.
SSH2.0 has an extended structure and supports more authentication modes
and key exchange methods than SSH1.X. SSH2.0 also supports more
advanced services such as SFTP. The Huawei AR1200 Series supports SSH
versions ranging from 1.3 to 2.0.
Interval for
updating the
SSH server
key pair
If this interval is set, the SSH server key pair will be updated periodically to
improve security.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Perform one or both of the operations shown in Table 5-5 as needed.
Table 5-5 Configurations of server parameters
Server
Parameter
Operation
Earlier SSH
version
compatibility
Run the ssh server compatible-ssh1x enable command.
By default, an SSH server running SSH2.0 is compatible with SSH1.X. To
prevent clients running SSH1.3 to SSH1.99 from logging in, run the undo
ssh server compatible-ssh1x enable command to disable support for earlier
SSH protocol versions.
Huawei AR1200 Series Enterprise Routers
Configuration Guide - Basic Configuration 5 Configuring User Login
Issue 04 (2012-05-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Huawei AR1200 Series Specifications

General

Brand	Huawei
Model	AR1200 Series
Category	Network Router
Language	English