Linkbyte Software, Inc. Software

ComTun 

A powerful and easy to use Proxy/Firewall for internet connection sharing. ComTun has many advanced features useful for both business and home use. With support for access control and banner blocking, you have ultimate control of your connection.
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Comtun Pro 

stealth network firewall, NAT software router, HTTP caching, SOCKS server, access control and authentication, built-in DHCP Server, dial-up control, VPN (PPTP and IPSec), network monitoring and management, banner blocking, firewall timing control
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