Decrypt HTTPS (SSL/TLS) with Wireshark
Wireshark has some very nice SSL/TLS decryption features tucked away although you need either of the following two: Access to the servers private pki key Access to the client machines and its
Security
A collection of 13 posts
GET VPN (GNS3 Lab)
[toc]Group Encrypted Transport (GET) VPN is slightly different and has quite different use cases from more traditional point to point IPSEC VPN where each point to point VPN is quite distinct in
DMVPN setup with PSK (GNS3 Lab)
[toc] Dynamic Multipoint VPNs (DMVPN) offer a low admin overhead and scalable VPN solution. It is also efficient at routing traffic as it can dynamically reconfigure itself from a hub and spoke to
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
Install NFSEN (Centos 6 & Fedora 20)
Found myself having to do this a few times now and it usually ends up being quite messy in the end so some nice clean instructions from a real sysadmin. All credit goes
BGP RTBH setup using exaBGP
[toc]In this post I'll describe a basic setup using Cisco IOS, IOS XR and exaBGP that will function as a BGP remotely triggered blackhole (RTBH) allowing you to null route any source/