The Cisco ASA failover configuration requires two identical security appliances connected to each other through a dedicated failover link and, optionally, a stateful failover link. The health of the active interfaces and units is monitored to determine if specific failover conditions are met. If those conditions are met, failover occurs. In case of Active/Active configuration […]
Archives for April 2011
Preventing SQL Injection Attacks with Cisco ASA Firewall
Today I have stumbled upon an interesting technique from the Cisco Blog and Cisco Support Forum which is about defending an SQL injection using IPS, ASA or IOS firewall. I will concentrate on the ASA here to show you what you can do with this great device. Ofcourse what I will show works only for […]
Site to Site VPN with Dynamic Crypto Map
In this post I will talk about Hub-and-Spoke VPN with one dynamic and two static crypto-maps between Cisco routers. The scenario is as following: There is a central HQ site which will be the Hub of our VPN network and also two branch sites which will be the spokes in our VPN network (see diagram […]
Configuring AnyConnect WebVPN on Cisco Router (With Example Config)
In this post I will explain how to configure WEB VPN (or sometimes called SSL VPN) using the Anyconnect VPN client on a Cisco 870 router. However the configuration example and concept is the same for other Cisco router models as well. Web Based VPN has three Remote Access modes: Clientless – You connect to […]