ike-scan – IPsec VPN Scanning, Fingerprinting and Testing Tool

Your website & network are Hackable


ike-scan is a command-line tool for discovering, fingerprinting and testing IPsec VPN systems. It constructs and sends IKE Phase-1 packets to the specified hosts, and displays any responses that are received.

ike-scan allows you to:

  • Send IKE packets to any number of destination hosts, using a configurable output bandwidth or packet rate. (This is useful for VPN detection, when you may need to scan large address spaces.)
  • Construct the outgoing IKE packet in a flexible way. (This includes IKE packets which do not comply with the RFC requirements.)
  • Decode and display any returned packets.
  • Crack aggressive mode pre-shared keys. (You can use ike-scan to obtain the PSK hash data, and then use psk-crack to obtain the key.)

You can read more in depth about ike-scan and how to use it – in the User Guide.

ike-scan is free software, licensed under the GPL. It runs on Windows, Linux and most Unix systems. If you don’t already have ike-scan installed on your system, read the installation guide.

You can download ike-scan 1.9 here:

Source distribution: ike-scan-1.9.tar.gz
Windows binary: ike-scan-win32-1.9.zip

Older versions of ike-scan

Or read more here.


Posted in: Hacking Tools, Network Hacking

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