Telnet Configuration With Authentication Mode Being None - Huawei Quidway S5600 Series Operation Manual

Operation Manual – Login
Quidway S5600 Series Ethernet Switches-Release 1510
Authentication
mode
Note:
To improve security and avoid malicious attack to the unused SOCKETs, TCP 23 and
TCP 22 ports for Telnet and SSH services respectively will be enabled or disabled after
corresponding configurations.
If the authentication mode is none, TCP 23 will be enabled, and TCP 22 will be
disabled.
If the authentication mode is password, and the corresponding password has been
set, TCP 23 will be enabled, and TCP 22 will be disabled.
If the authentication mode is scheme, there are three scenarios: when the
supported protocol is specified as telnet, TCP 23 will be enabled; when the
supported protocol is specified as ssh, TCP 22 will be enabled; when the supported
protocol is specified as all, both the TCP 23 and TCP 22 port will be enabled.
3.2 Telnet Configuration with Authentication Mode Being
None
3.2.1 Configuration Procedure
Table 3-4 Telnet configuration with the authentication mode being none
Operation
Enter system view
Enter one or more
VTY user interface
views
Configure not to
authenticate users
logging into VTY
user interfaces
Telnet configuration
Set
Manage VTY
type for VTY
users
users
Perform
Perform
common
common
Telnet
configuration
configuration
Command
system-view
user-interface
first-number [ last-number ]
authentication-mode none
Huawei Technologies Proprietary
3-3
Chapter 3 Logging in through Telnet
Description
service
Required
Optional
Refer to Table 3-2.
Description
—
vty
—
Required
By default, VTY users are
authenticated after logging in.