Cisco routers are built into the fabric of the Internet and enterprise networks, a fact that makes them highly attractive targets for attackers. Researchers at FireEye have come across attacks ...

Discovered by the security firm, FireEye, SYNful Knock is a classic example of stupid users wrecking security. This malware, which has been found on Cisco 1841, 2811 and 3825 routers, is not the ...

Cisco’s new Valet Plus wireless router doesn’t promise a whole bunch of fancy features or apps. What it does promise is that you can set it up and have a secure, working wireless Internet connection ...

Faced with sprawling physical layouts and increasing costs, governments of all sizes are trying to consolidate data center services or eliminate their reliance on them altogether. But other than ...

I am doing a review of the configuration of all our Cisco equipment after taking over from my predecessor. I noticed in one of the routers has a loopback interface on it but I can’t account for the ...

The Cisco 1001-X series router doesn't look much like the one you have in your home. It's bigger and much more expensive, responsible for reliable connectivity at stock exchanges, corporate offices, ...

A day after researchers detailed a technique that attackers are using to upload malicious firmware images to Cisco routers, academic researchers say they have scanned the entire IPv4 address space and ...

Researchers have uncovered active and highly clandestine attacks that have infected more than a dozen Cisco routers with a backdoor that can be used to gain a permanent foothold inside a targeted ...

One of the most common requests regarding TACACS+, that I get, relates to restricting CLI access using command authorization on IOS. Usually my customers want to ensure that a group of users can only ...

I was reading about the Cisco EEM and came across an interesting script that can monitor the interface state through the syslog messages. You can set it up to administratively shutdown an interface if ...

Using quality of service (QoS) on Cisco network devices helps provide both bandwidth and priority to certain types of network traffic. In this edition of Cisco Routers and Switches, David Davis walks ...