Restrict management (telnet) access based on IP (Cisco)
- Restrict management access to only 10.1.1.0/24 and 10.10.10.0/23
telnet access-group 20
access-list 20 permit 10.10.1.0 0.0.0.255
access-list 20 permit 10.10.10.0 0.0.1.255
access-list 20 deny any