Hacking networks with Scapy (Part 1): attacking DTP/Spanning Tree
Scapy is a very powerful packet crafting, packet manipulation tool written in Python. With the help of Scapy we can perform many kind of malicious…
Read more →Post for: #Security (6 Posts)
Implementing Site-to-Site IPsec VPN: GRE over IPsec and MTU issues (Part 3)
In the previous post I created the VPN tunnel between the two sites with a crypto map. This implementation is very static, the ACLs define…
Read more →Implementing Site-to-Site IPsec VPN with crypto map (Part 2): Troubleshooting
We continue the previous IPsec lab with basic troubleshooting. If you haven't read part 1, read that post first before you continue. So what are…
Read more →Implementing Site-to-Site IPsec VPN with crypto map (Part 1)
In this lab we're going to establish secure communication between two private subnets located at two different sites over an unsecure network (the internet for…
Read more →Protecting Stateless/Stateful DHCPv6 server with DHCPv6 Guard
In this lab I'm going to use the same simple topology which I used in this post. Except that we're going to take a look…
Read more →Configuring IPv6 First-Hop Security (RA Guard, IPv6 Snooping)
In this lab we're going to implement IPv6 FHS with Router Advertisement Guard and IPv6 Snooping and in the following post I'll show how to…
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