This is quite an interesting feature, and one that you wouldnt usually expect on a device like this.

Basically, when running IDS/IPS/Snort or any other packet sniffer in promiscuous mode, you need a way to “mirror” traffic from your hosts, to your IDS box. With Cisco switches, this is achieved through the use of the “monitor” commands, which set up Cisco SPAN ports (Switch Port Analyzer).

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This is a quick tip from  a colleague of mine who has spent a lot of his time in the network security industry knee deep in packet captures and the likes, this is a tip shouted across the room during a busy debugging session….

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This guide covers configuration of remote access (client) VPN on a Cisco ASA or PIX Firewall using the wizard (This should transfer quite well to Cisco Routers also). It is aimed at beginners to VPNs.

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Cisco shortcut Keys, familiar to the CCNA graduates among us and of course those dealing with Cisco kit regularly but probably if your like me some have been long since forgotten. Heres a reminder of how they work………

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This is a quick run-down of the Cisco VPN client and various configuration thereof.

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Something that has been very useful to me is waking up my download server whilst at work via the Internet. I won’t go into detail about how Wake-on-LAN (WoL) works, but it’s basically a packet that can ‘wake’ a PC out of standby mode. There are many reasons why you might want to do this such as avoiding having a server running 24/7, or maybe to start downloading at specific times to avoid ISP caps etc. This is a quick tutorial of how to configure your Cisco Router to allow WoL packets through the router and propagate on the inside network as a broadcast to make them effective.

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