Cheatsheet : Cracking WPA2 PSK with Backtrack 4, aircrack-ng and John The Ripper
Basic steps : Put interface in monitor mode Find wireless network (protected with WPA2 and a Pre Shared Key) Capture all packets Wait until you see a client and deauthenticate the client, so the handshake can be captured Crack the key using a dictionary file (or via John The Ripper) I’ll use a Dlink […]
Juniper : Netscreen Remote Dial-UP VPN with AD Radius Authentication and route based VPN / tunnel interface
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 traffic to from the client to the 192.168.0.0/16 networks needs to pass via the client VPN […]
Building IPSec VPN with Juniper Netscreen ScreenOS (CJFV)
A few days ago, I have posted some ScreenOS basics on this blog. Today, it is time to take it one step further and to look at setting up and especially troubleshooting IPSec VPN’s with Juniper Netscreen devices. The need for VPN A VPN can be defined as the simulation of a private connection by […]