It works with your existing firewall, and requires no additional configuration. Hamachi is the first networking application to deliver an unprecedented level of direct peer-to-peer connectivity. It is simple, secure, and cost-effective.

Advantages of LogMeIn Hamachi:

• LAN over the Internet - Arrange multiple computers into their own secure network, just as if they were connected by a physical cable.
• Files and Network Drives - Access critical files and network drives.
• Zero-configuration - Works without having to adjust a firewall or router.
• Security - Industry leading encryption and authentication.
• Cost Effective - Free for non-commercial use.