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Internet Connection Sharing on Windows XP

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== ICS Microsoft Internet Connection Sharing ==== Microsoft Internet Connection Sharing / ICS == [[Image:05star.png]]Here we review only those software solutions that run on Microsoft Windows.  Your best option is to use a Linux solution, such as Netfilter and/or IPMasquerade.  However, in some instances it is not possible to run linux on the gateway computer (the one with the Internet WAN interface.)  Due to the ridiculous limitations in Microsoft's ICS, a good third party Internet Connection Sharing solution is needed.  This is something that not only enables Windows as a router (which XP can do with a simple registry hack) but also provide NAT (Network Address Translation) for packet forwarding.Here we review only those software solutions that run on Microsoft Windows.  Your best option is to use a Linux solution, such as Netfilter and/or IPMasquerade to create your own [[Netfilter Firewall and Router]].  However, in some instances it is not possible to run linux on the gateway computer (the one with the Internet WAN interface.)  Due to the ridiculous limitations in Microsoft's ICS, a good third party Internet Connection Sharing solution is needed.  This is something that not only enables Windows as a router (which XP can do with a simple registry hack) but also provide NAT (Network Address Translation) for packet forwarding. All of the third party software reviewing here contained NO SPYWARE at the time the review was written.  Software known to contain spyware will never be recommended without FULL DISCLOSURE.  In short, spyware sucks and we don't like it either.[[Image:45star.png]]=== PPPShar ===[[Image:15star.png]]PPPshar Pro is a proxy server that enables you to share a single Internet connection of any type among several computers in a network. You can connect your home network or office to the Internet and use all Internet services like Email, WWW, FTP, Telnet, IRC, Real Audio/Video, ICQ, SOCKS 4 & 5 and more. PPPshar has a very simple interface, very easy to setup and use. Free Trial, $25.00 to buy. ''(requires Java Virtual Machine)''PPPShar: http://www.pppindia.com/intl/pppshar/index.html == Sharing VIA a Proxy Server ==This is different from using NAT / packet forwarding.  Microsoft has Proxy software, but it is not free.  There are also 3rd party proxy software available.=== Microsoft Proxy Server and ISA Server ===[[Image:05star.png]]With Microsoft's web proxy, before a user can access the Internet their Internet application must perform a special undocumented "handshake" with the proxy (Called NT Lan Manager or NTLM authentication). The only web browser, for example, that knows how to perform this "handshake" correctly is Microsoft Internet Explorer. Microsoft keeps the "handshake" messages undocumented and confidential, making it next to impossible for users to run alternative web browsing software, such as Mozilla Firefox or Opera.This is because of NTLM authentication.  More recently the Mozilla Firefox was able to utilized a reverse engineered driver and thus recent versions have built in NTLM support.'''Microsoft Internet Security and Acceleration (ISA) Server''' 2006 has replaced ISA Server 2004, ISA Server 2000, and Microsoft Proxy Server.=== Freeproxy ===[[Image:20star.png]]FreeProxy is Freeware which channels requests for internet pages via a single computer and enables many computers to share an internet connection.  FreeProxy runs Windows 98, NT, 2000, XP and Server 2003.FreeProxy by Hand Crafted Software: http://www.handcraftedsoftware.org/=== Wingate ===[[Image:35star.png]]Designed for the enterprise sharing an Internet connection on a LAN, WinGate Pro is one of the most complete proxy systems on the market. In addition to the top-of-the-line proxy server at its core, the server offers an e-mail server, spam filtering, and a full suite of plug-in features. But as thorough as WinGate Pro is, it's not for the less technically savvy or the impatient.Wingate is also expensive.  In the past Wingate has had some serious security issues.OBIK (was Deerfield) Wingate: http://www.wingate.com/product-wingate.php == Using Linux Netfilter / IPMasquerade on MS Windows ==[[Image:XXstar.png]]This is theoretically possible using Cygwin.  Installing Cygwin on Windows XP gives you the ability to run many Linux commands from Windows.  It is possible IPTables can be made to work on Windows XP via Cygwin.  This is not verified nor confirmed.
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