Creating a Jump server to protect a Cisco switch using Ubuntu
http://youtu.be/tNBKoPlilKQ
Category: Cisco configurations
Cisco Bogon access list howto
http://youtu.be/GloxcXHyDQI
Securing Cisco Discovery Protocol (CDP)
http://youtu.be/nyoE8NGVN10
DNS amplification attack …. What is it ?
Lately we have been seeing in the security news of a newer type of attack called ” DNS amplification attack” or what was known as a SMURF attack How does it work ? The attack works when an attacker finds an open dns server that accepts look-ups from outside its network (aka misconfiguration) and spoofs […]
Preventing unauthorized devices from connecting to Cisco switch
Hello all, In this post I want to cover ways to mitigate against unauthorized devices connecting to a switch for instance in a public library or an internet cafe where the access switch can be accessed by the public just to set the stage for this example there is an internet cafe called bobs internet […]
Applying bogon access list Cisco IOS
Hello all, Here is a little snippet of information on the importance of applying an access list to your edge router to IP blocks that are listed on the bogon list What is the bogon list? The bogon list is a list of ip subnets that are either invalid non routable ip blocks such as […]