Cisco SCE2020-4XGBE-SM - How to Assign an ACL to the Telnet Interface; How to Prevent Telnet Access

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Cisco SCE 2000 and SCE 1000 Software Configuration Guide
OL-7827-12
Chapter 5 Configuring the Management Interface and Security
Configuring the Available Interfaces
You can set the following parameters for the Telnet interface:
• Enable/disable the interface
• Assign an ACL to permit or deny incoming connections.
• Timeout for Telnet sessions, that is, if there is no activity on the session, how long the SCE platform
waits before automatically cutting off the Telnet connection.
The following commands are relevant to Telnet interface:
• access-class in
• line vty
• [no] access list
• [no] service telnetd
• [no] timeout
• show line vty access-class in
• show line vty timeout
How to Prevent Telnet Access
Use this command to disable access by Telnet altogether.
Step 1 From the SCE(config)# prompt, type no service telnetd, and press Enter.
Current Telnet sessions are not disconnected, but no new Telnet sessions are allowed.
How to Assign an ACL to the Telnet Interface
Step 1 From the SCE(config)# prompt, type line vty 0, and press Enter.
Enables Line Configuration mode.
Step 2 Type access-class acl-number and press Enter.
acl-number is the ID number of an existing access list.
Assigning an ACL to the Telnet Interface: Example
The following example shows how to assign ACL #1 to the Telnet interface.
SCE#configure
SCE(config)#line vty 0
SCE(config-line)#access-class 1 in