Hi,
Over the last 2 days my friends from Corelan Team and I participated in a Hacking Tournament, organized by Offensive Security. The primary goals of the tournament are :
In this blog post, I’ll show the easy steps to set up a screenOS based active/passive cluster. I’m not going to discuss the configuration of active/active clusters because, in my opinion, this configuration is only needed in rare Read more
The default route or “route of last resort” is an important route in most present inter-network connectivity configurations. It contains all public and private routes possible and is responsible for directing traffic to a next hop when no better Read more
As explained in one of my earlier posts, one of the requirements to successfully setup and operate an iBGP configuration is that all iBGP clients need to have a BGP connection to all other iBGP clients. (= full Read more
A short while ago, I came across 2 really nice tools that will help
– visualizing screenos configs into html pages
– auditing firewall configs
The first tool, called ns2html, was developed by Rodrigo Read more
As you most likely already know, Juniper screenOS supports a couple of dynamic routing protocols (OSPF, BGP, RIP). These protocols can be used to build very powerful and redundant networks, however there are some screenos specific issues with Read more
The following procedure explains how to set up a Juniper ScreenOS based firewall to accept Netscreen Remote Client VPN connections and authenticate users using Active Directory (Radius via Windows 2003 IAS or Windows 2008 NPS).
We’ll assume that all Read more
Before looking at the various configuration steps, we’ll have to take the following assumptions into account :
– We don’t want to use the Netscreen Remote client, but we want to use the Windows XP built-in dialup VPN technology Read more
In this blog post, I will show you how to set up a IPSec VPN tunnel between a Windows Server and a Juniper ScreenOS based firewall and route traffic between hosts that are located behind these 2 VPN gateways.
Read more
On popular request, this is a quick write-up on how to set up a Juniper screenOS firewall to use an external Radius server (I’ll use Windows IAS) to authenticate administrators and to let the Radius server to assign admin Read more