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Posts published in September 2017

Simple OpenLDAP + phpLDAPadmin setup

Shahriar 0

Hello everyone, In this blog post I’m going to show you how to setup a simple OpenLDAP server  with phpldapadmin on apache. I’m posting this because I didn’t find any up to date content on how to do this. Installing OpenLDAP and exploring it with phpLDAPadmin helps you learn LDAP structure and use cases. Also you can redirect authentication of other devices on your network to this server. These steps are run in a fresh debian wheezy (7) installation: [asciinema…

Cisco IOS and StrongSWAN IPSEC VPN

Shahriar 0

In this blog post we will cover IPSEC tunnel between Linux StrongSWAN and Cisco IOS. The strongSWAN config file can copied exactly as is to another server with the IP of Cisco Router and the tunnel will be connected between two linux routers. That is you do not need to change right and left in config files. It will be automatically detected from interface IP address (if available of course) Cisco IOS configuration is very similar to previous post. Here are…

GRE over IPSec in Cisco IOS

Shahriar 0

Cisco GRE over IPSEC In the following is a sample configuration for GRE/IPSEC in Cisco IOS devices. you can tailor this to your needs (changing encryption algorithms, IP addresses etc), just remember to make sure they are the same on both sides (except for IP of course). In later posts we will discover how to do this scenario in other platforms like Cisco ASA and StrongSWAN on Linux.

Exploring from User-Mode to Kernel-Mode

Sinaei 0

There were times when I want to trace instructions from User Mode and continue tracing it into Kernel mode to reverse Windows’s internal implementation with my own supplied parameters from User Mode but there were a big problem and that was, How to access User Mode when you are in a Kernel Debugger or vice versa. Even if I knew about changing debugger context to specific process but there were other problems which cause reversing kernel in this case, impossible.…