Tag: Secure a VTY Port

Infographic showing Cisco router VTY access control using Telnet/SSH and ACLs. Includes a centered title, configuration steps, and a network diagram with PC0 denied and PC1 permitted access to router R3.
CCNA September 11, 2019

How to Configure Standard ACLs to Secure VTY Ports

All Cisco routers and switches do not allow remote access by default via terminal programs like PuTTY or Tera Term. Remote connectivity options include Telnet (VTY Port) or SSH. SSH provides encrypted sessions and is strongly recommended by Cisco for remote administration due to Telnet’s vulnerabilities. Prerequisites for CCNA/CCNP Students However, if your router’s Cisco […]
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