Free ipsec vpn client software for windows

The Shrew Soft VPN Client is a free IPSEC Client for Windows 2000 and Windows XP. It can be used for communicating with a Open Source Operating system running ipsec-tools to provide an alternative to expensive commercial VPN solutions.
While this software does include advanced features such as Split Tunneling, Split DNS, Nat Traversal, IKE Fragmentation, Packet Pre Fragmentation, Dead Peer Detection, Hybrid XAuth and automatic client configuration, it is still missing some options that are available in the more popular commercial products.
For example, if your remote access needs include support for VPN enabled domain login or stateful client side firewall, this software may not be a good fit for your environment.
Main features:
Firewall Traversal Options
? NAT Traversal ( RFC & Draft 00-04 versions )
? NAT Keep Alive
? IKE Fragmentation

Authentications Methods
? Hybrid RSA + XAuth
? Mutual RSA + XAuth
? Mutual PSK + XAuth
? Mutual RSA
? Mutual PSK

Identification Types
? ASN1DN
? FQDN
? UFQDN
? Address
? Key Identifier

Exchange Modes
? Main
? Aggressive
? Configuration ( push or pull )
? Quick
? Informational

Phase1 Ciphers
? AES
? Blowfish
? 3DES
? CAST
? DES

Phase1 Hash Algorithms
? MD5
? SHA1

Phase2 Transforms
? ESP-AES
? ESP-Blowfish
? ESP-3DES
? ESP-CAST
? ESP-DES

Phase2 HMAC Algorithms
? HMAC-MD5
? HMAC-SHA1

Phase2 Options
? PFS is supported
? Tunnel mode is supported
? Transport mode is not supported
? Compression is not supported

Basic Configuration Exchange Attributes
? Banner
? Address
? Netmask
? WINS Server
? DNS Server

Advanced Configuration Exchange Attributes
? DNS Default Domain
? Login Banner
? Split Network Include List
? Split Network Exclude List
? Split DNS Domain List
? PFS DH Group

System requirements:
- Latest Service Packs Installed.

Enhancements:
- Update the NSIS installer scripts and inf files to allow for XP 64bit installs.
- Also add builds for a AMD64 version of the virtual network driver.
- This platform support still isnt complete due to class installer issues.

IPsecPing 1.5 is a nice little command-line IPsec endpoint testing and debugging tool. It uses the winsock secure socket extensions and supports IPv4, IPv6, IKEv1, and AuthIP.

VPN-X is a Java/Cross-platform P2P/SSL/TLS VPN solution. VPN-X allows Clients that have an individual Virtual IP Address.
VPN-X can help employees on errands use company LAN resource, help your friends access your computer play LAN games, all the network data is encrypted and you can control the special peers to access your computer or LAN with our powerful Access Control feature.
VPN-X can also enable you to convert internet to secure LAN.
VPN-X is also a international software as it supports many languages: English, Italian, German, Chinese(Simplified, Traditional), Polish, Vietnamese, Malay, Russian, etc.
VPN-X can be used for personal VPN network for family or friends and also commercial applications, here is an example of possible VPN-X applications:
- Personal or family VPN (Play LAN games, share files, private chat)
- Community-based VPN (Cooperation development, share files--SVN, CVS, Security chat)
- Non-profit and organizational VPN (Let members access special resource from anywhere)
- Corporate intranets and extranets VPN infrastructure (Employees on errands can summit his report to OA(Office Automation) server easily and securely, just like he/she is in company local network).
System requirements:
- CPU main frequency: at least 600MHZ.
- Memory size: at least 512 MB
- Disk space: at least 512 MB

Enhancements:
- Enhanced Performance.
- Added some configuration parameters for VPN-X.
- Fixed: Cant show Tray Icon on Windows sometimes.
- Fixed: Some VPN clients cant read the Public Chat Message in VPN Chat Room
- Fixed:P2P exchange broadcast error.