Block udp ports in cisco 2811 router

4.1

Author:

IMFirewall Software

HomePage:

http://www.wfiltericf.com

This tutorial will guide you to block udp ports 443-65534 in a cisco 2811 router.

As in figure 1, add an ACL rule in "Firewall and ACL", and set the destination port to range "443-65534".

Figure 1

If a packet does not match any ACL rule, the default action is "deny". So you also need to add "allow" rules for all other packets.

Figure 2