Setup an access list on the router allowing them to communicate in the first place. If that is the 4500 set it up there.

According to the researchers, the affected devices at risk from the exploit are Cisco Catalyst 9300 and 9400 Series Switches, and the legacy 3750G series, with both 32-bit and 64-bit switch builds ...

Researchers warn of fileless payloads, memory hooks, and a UDP-based C2 controller that complicate detection and remediation.

A new attack campaign, dubbed Operation Zero Disco by Trend Micro , exploits a vulnerability in Cisco's Simple Network Management Protocol (SNMP) to ...

So, this is my first blog post on here. Hope it goes well. One of the most commonly asked questions of late is how to properly use a load-balancer with Cisco’s Identity Services Engine. Here are some ...