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discover and fingerprint IKE hosts (IPsec VPN Servers)

ike-scan discovers IKE hosts and can also fingerprint them using the retransmission backoff pattern.

ike-scan does two things:

a) Discovery: Determine which hosts are running IKE. This is done by displaying those hosts which respond to the IKE requests sent by ike-scan. . b) Fingerprinting: Determine which IKE implementation the hosts are using. This is done by recording the times of the IKE response packets from the target hosts and comparing the observed retransmission backoff pattern against known patterns. . The retransmission backoff fingerprinting concept is discussed in more detail in the UDP backoff fingerprinting paper which should be included in the ike-scan kit as udp-backoff-fingerprinting-paper.txt.

Package version:1.9-4+b1


$Id: README-WIN32 3938 2005-08-14 17:29:07Z rsh $


The Windows-32 version of ike-scan uses Cygwin to provide Posix compatibility.

You can run ike-scan in two different ways on a Windows-32 system:

a) Use the precompiled Windows-32 binary version of ike-scan.
This is the easiest way to get ike-scan running on a Windows-32 system.
The binary package includes the Cygwin DLL.
For the b


$Id: README 9919 2007-01-22 22:52:36Z rsh $

ike-scan - Discover and fingerprint IKE hosts (IPsec VPN Servers)

Note: This README file is no longer being actively maintained.  Although it
is still reasonably accurate it does not cover all of ike-scan's functionality.
Please refer to the ike-scan wiki at for
up-to-date information about installing and using ike-scan


$Id: NEWS 9926 2007-01-23 14:41:30Z rsh $

This file gives a brief overview of the major changes between each ike-scan
release.  For more details please read the ChangeLog file.

ike-scan v1.9:

* ike-scan wiki at
  This will contain ike-scan documentation and associated IPsec information.

* IKEv2 support with --ikev2 option that sends IKE version 2 format packets


IKE-SCAN(1)                                              IKE-SCAN(1)

       ike-scan  -  Dis


PSK-CRACK(1)                                            PSK-CRACK(1)

       psk-crack - Crac


ike-scan (1.9-4+b1) sid; urgency=low

  * Binary-only non-maintainer upload for kfreebsd-i386; no so


$Id: ChangeLog 9884 2007-01-14 19:05:39Z rsh $

2007-01-14 Roy Hills <>



This package was debianized by Benoit Mortier <> on
Sat, 13 Dec 2003 12:3

Browse inside ike-scan_1.9-4+b1_kfreebsd-i386.deb

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