Below are a few steps to set up basic security on a router,
Banner
Set Banner.
(config)#banner motd
Passwords
Set Secret enable password.
(config)#enable secret <password>
Set Line terminal passwords.
(config)#line <terminal> <number>
(config-line)#password <password>
(config-line)#login
Line Timeout
On VTY set timout out
(config-line)#exec-timeout <min>
Copy the Config changes
#(config) Copy running-config startup-config
Rick Donato is a Network Automation Architect/Evangelist and the founder of Packet Coders.
Latest posts by Rick Donato (see all)
- NETCONF & YANG: Automate Network Configs via Python - April 2, 2026
- Palo Alto – How to Configure Your Next-Generation Firewall - April 2, 2026
- How to Harden Linux SSH: Keys, Fail2ban & Ciphers - March 1, 2026
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