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640-553 CCNA Security

A collection of 4 posts

Disable ASA TCP State tracking (make my ASA a router)

640-553 CCNA Security

Disable ASA TCP State tracking (make my ASA a router)

Recently had to use this (useful?) feature to help a customer with an asymmetric traffic flow via an ASA. The ASA would only see the out bound traffic from a host with the return traffic going via an alternative path not visible to the ASA.This simple diagram is an

Role Based CLI access to Cisco IOS using Views

640-553 CCNA Security

Role Based CLI access to Cisco IOS using Views

Just having a play around with role based access and "views". Not a feature I've used much in production. Below we will configure a view that only allows the use of the show interface commands. Then we will configure a use that when logging in via

Simple Zone Based IOS Firewall (GNS3 Lab)

640-553 CCNA Security

Simple Zone Based IOS Firewall (GNS3 Lab)

Just a post about the basic config and options of Cisco IOS zone based firewall using the Topology below Grab the initial configs and GNS3 .net file [HERE]. From the initial configs all interfaces have connectivity to each other. First off lets configure the zones and assign each interface to

Steps to configure an IPSEC site to site VPN on a Cisco IOS device (GNS3 Lab)

640-553 CCNA Security

Steps to configure an IPSEC site to site VPN on a Cisco IOS device (GNS3 Lab)

Just some short notes on basic IOS vpns using the topology below as an example. All the configuration examples are for the router Lefty. Grab the GNS3 .net file and initial configs [HERE] if you want to try. The following five steps need to configured in order to create an