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 FreeProxy 
What does it do What does it do ?
 FreeProxy is professional Freeware which channels requests for internet pages via a single computer and enables many computers to share an internet connection. If you have dial-up internet access, you can use the Demand Dial or Auto-Dial feature to dial up the internet either when it detects you want to access the internet (demand) or maintain a strict schedule of connection times (auto). Otherwise is works with Cable/Broadband.

Filtering every which way...
if you would like to prevent access to certain internet sites, FreeProxy enables you to block access based on a filter. Comprehensive "Resource Security" enables you to filter URLs, IP addresses, ports, hosts accessed. In addition you can secure access using userid and password. FreeProxy utilises the web standards of Basic and Digest authentication but also allows you to authenticate users to a Windows Domain. Access can be limited to certain times using a calendar. This is very useful if you make use of low-cost access times. Here are some examples:

  • Allow access to the internet at certain times

  • Allow some users access to some sites

  • Allow some users access to a selection of sites at specific times.

  • Allow the import of ban lists to ban based on URL or IP address

Is there any spyware in FreeProxy ?

NO ! FreeProxy is free of any spyware, malware, advertisements etc. Its all 100% pure fully functional proxy server. If you have any doubts, or would like clarification, post a message on the forum or send the author an email message

Reporting
There are 4 reports which can each be optionally switched on or off.

  • Access report: detailing access violations

  • Detailed log of web sites accessed

  • Summary report of access by user

  • Debug report

The log is user configurable. You can output the report in standard format, a user defined format, W3C format, or XML

Security features
FreeProxy has implemented a simple security feature to lock down access to the proxy, "local binding". You can prevent everyone except those on your local intranet from accessing your web server, proxy or mail systems. Authentication using BASIC, Digest and NTLM is selectable. You can also specify Windows groups imported from your Domain controller or AD as authentication groups.

HTTP Cache
From v3.80 FreeProxy incorporates a cache. The cache accumulates web pages locally and servers them from the local system when subsequently requested. FreeProxy observes the rules for caching as specified in RFC2616.

Web Server
As an added bonus, FreeProxy has a built in web-server which can serve pages securely to either (only) your intranet or to the internet.

Who uses FreeProxy
FreeProxy is being used both in the home, companies, universities, military training colleges, churches, legal practices, accounting practices, banking and many others with Dial-up ADSL and Cable connections. Installation sizes range from 2 users to hundreds of users.

Which operating systems ?
FreeProxy runs Windows 98, NT, 2000, XP and Server 2003. Freeproxy will not work on Win 95. You can run FreeProxy as a service so its always there and never seen.
Tested with a range of clients including Internet Explorer, iMac Safari, Netscape (Linux and Windows), Mozilla, plus a number of non-browser clients (msnm, Outlook, AOL etc)


Feature Summary

  • Internet connection sharing with demand dialling
  • HTTP proxy, including FTP over HTTP
  • SOCKS5
  • SMTP & POP email proxy
  • NNTP proxy
  • Outlook Express / Hotmail email proxy
  • TCP tunnel (tunnel any TCP protocol)
  • HTTP cache
  • Connect to ICQ and MSN easily
  • HTTP 1.1 persistent connections, RFC2616 and RFC2518 compliant. See Compliancy below.
  • Demand Dialling, auto connect/disconnect
  • URL filtering has been replaced by Resource Security which allows username password authentication and access to
  • resources.
  • URL and IP address filtering from imported Ban Lists
  • Remote access to display statistics of users
  • Access controlled by user and calendar
  • Resources include IP addresses, ports, URLs, paths, IP services
  • Comprehensive access logs which are user configurable
  • Create users and groups and/or authenticate to a Windows domain
  • Built-in web server
  • Run as a service under Win NT/2000/XP/2003 or Win98/Me
  • Message logging and dumping
  • Connect to another Proxy server or connect directly to the internet
  • Bind to a specific network interface for added security ("local binding")
  • Works with Dial-up Networking and Cable/Broadband

Compliancy

  • RFC2616: Hypertext Transfer Protocol -- HTTP/1.1
  • Specific compliancy includes
  • Persistent connections
  • Chunked encoding
  • Allows CONNECT to tunnel through the proxy (https:// access)
  • Does not recognise multipart/byteranges (yet)
  • RFC2518: HTTP Extensions for Distributed Authoring -- WEBDAV
    • All methods passed through
    • No caching of requests
  • All unrecognised methods passed through
  • RFC959: File Transfer Protocol
  • Freeproxy will retrieve files from FTP servers but not store files. Access via Browser running http.
  • RFC2617: Basic & Digest Authentication
  • RFC1928: SOCKS 5
  • SOCKS 4: A protocol for TCP Proxy across firewalls: Ying-Da Lee
  • SOCKS 4a: A simple extension to SOCKS 4 protocol: Ying-Da Lee
  • RFC1929: Username /Password authentication for SOCKSV5
  • W3C Working Draft WD-logfile-960323
  • Windows Authentication using NTLM or FreeProxy's own user database

Change history


Full release notes for V3.8x here

Full release notes for V3.92 here.

Date

 Build# Build Info displayed Comment
23 Feb 2007 1630 3.92: Feb 23 2007 at 23:31:44 Fix: Graceful closure of sockets implemented. Should fix POST errors.
Fix: Local Binding not working where Remote Binding has been used.
New: Implemented changes for Portable Applications. Documentation on this feature will be release at future date.
12 Feb 2007 1629 3.92: Feb 12 2007 at 22:29:45 Fix: Handling of the Expect: 100-Continue header. The use of the 100-continue is quite rare but was causing FreeProxy to loop, consume heap memory and crash.
Fix: Corrected the client where it was not remembering the selected setting from the incoming IP address drop-down.
04 Feb 2007 1627 Feb 4 2007 at 18:10:58 Fixed: NTLM authentication not occurring for windows group named "WindowUsers".
24 Jan 2007 1626 Jan 24 2007 at 21:16:21 Fixed: Cache file deletion.
Fixed: Detects the possibility of a malicious attack where the HOST: header refers back to the host and port number running freeproxy.
2 April 2006 1623 3.92: Apr 2 2006 at 11:38:11 New: Import Windows Groups
New: Ban Lists
New: ISAPI interface
New: Remote Administration - display of connection statistics and managing the dialup connection
New: Specify the service user when starting a service
24 July 2005 1527 3:81:Jul 24 2005 at 18:44:11 Fixed: W3C format resulting in a loop.
Fixed: HTTPS connections hanging for the timeout period
Fixed: various php variables
11 Jun 2005 1526 3:81:Jun 11 2005 at 21:27:12 Minor fixes
09 Jun 2005 1525 3:81:Jun 9 2005 at 22:20:58 Fix: WSAEWOULDBLOCK error for Win9x/Me systems
20 May 2005 1520 3:81:May 20 2005 at 19:51:03 More work done on the comms engine to ensure more stable I/O.
07 May 2005 1519 3:81:May 7 2005 at 22:41:46 Fixed: Page not found error when POSTing a form. Hopefully finally fixed !
23 Mar 2005 1518 3:81:Mar 23 2005 at 21:37:40 Fixed: Addresses containing a query string are no longer cached. This will prevent users receiving cached entries previously stored by other users.
Changed: User and group names can contain spaces or commas
Fixed: Display of HTTP authentication challenge in the service option of the client now displays correctly.
Changed: Some persistent information was being stored in the HKEY_CURRENT_USER registry key. This has been moved to the HKEY_LOCAL_MACHINE hive. Previous versions forced a re-install if installing FreeProxy using one user and using the client with another.
12 Mar 2005 1517 3:81: Mar 11 2005 at 20:07:19 Fixed: Page not found error when POSTing a form.
21 Nov 2004 1516 3.81: Nov 21 2004 at 11:31:41 Fixed: Run time error "35602" when importing users into the FreeProxy Control Centre.
28 Oct 2004 1514 3.81: Oct 28 2004 at 19:47:47 Fixed: When audio/video streaming, Freeproxy did not close the server side connection when the client closed the connection.
Changed/Added/Fixed: URL log and other parameters as follows. See release notes and help file for details.
18 Oct 2004 1512 3.81: Oct 18 2004 at 21:41:51 Fixed: Under certain conditions, HTTPS addresses in combination with Basic authentication repeatedly requests credentials.
10 Oct 2004 1511 3.81: Oct 10 2004 at 19:46:16 First Stable release of V3.81.
1 Sept 2004 1462 3.72: Sep 1 2004 at 15:01:22 Fixed: Error 380.
31 Aug 2004 1461 3.72: Aug 30 2004 at 21:27:49 Fixed: Crash during save and exit.
Fixed: Systray was not active in certain circumstances.
Fixed: Error when entering passive mode FTP.
Fixed: Toolbar not refreshing correctly.
THIS VERSION WAS BACKED OUT DUE TO AN ERROR.
27 July 2004 1459 3.72: Jul 27 2004 at 00:15:10 Fixed: Rare error when encountering a comma in the URL.
20 July 2004 1458 3.72: Jul 20 2004 at 22:42:39 Fixed: FTP over HTTP inserted an additional carriage return/line feed.
16 July 2004 1457 3.72: Jul 16 2004 at 21:17:50 Fixed: When more than 1 RAS definition is defined, an error (RAS Error.... Error= -10) is displayed in the log and the second and later definitions are not used.
14 July 2004 1456 3.72: Jul 14 2004 at 19:59:50 Fixed: When using RAS and there are more than 20 items in the config file, FreeProxy crashes with an access violation.
29 June 2004 1455 3.72: Jun 24 2004 at 20:25:58 Added:
XML log file option.
Configurable buffer sizes.
User defined HTML responses.
Fixed:
NTLM authentication crashed under rare circumstances.
Error when defining more than one web server.
Hanging until the timeout expired when connecting to an upstream proxy.
13 May 2004 1452 3.72: May 13 2004 at 19:52:43 Fixed: When the optional user id was specified for SOCKS 4, it was not correctly authenticated.
11 May 2004 1451 3.72: May 11 2004 at 21:47:38 Fixed: In obscure circumstances, the user id of a SOCKs 4 connection is reported as a blank in the log.
10 May 2004 1450 3.72: May 10 2004 at 12:04:58 New release after 2 months in Beta testing.
15 Jan 2004 1000 3.62: Jan 15 2004 at 20:21:36 Added: Build number in client and server.
Added: (optional) "algorithm" header for digest authentication.
09 Jan 2004 - 3.6: Jan 9 2004 at 21:39:21 Fixed: Vulnerabilies detected by SP Research Labs Advisory x08 in FreeProxy's web server (not in the proxy server). Both reported vulnerabilities addressed by this fix. See Technical Note I2037.
04 Jan 2004 - 3.6: Jan 4 2004 at 14:53:43 Changed: Kazaa uses an invalid version in its SOCKS protocol. Change FreeProxy to report the error and continue.
Fixed: Log file name occasionally created with invalid characters in the name.
03 Jan 2004 - 3.6: Jan 3 2004 at 13:57:15 Improved: Tunnel performance by a factor of 2. This affects tunnel, FTP, POP, SMTP, NNTP.
30 Dec 2003 - 3.6: Dec 30 2003 at 23:31:24 Added: Option to output either the full URL or host name in the access log.
23 Dec 2003 - 3.6: Dec 18 2003 at 16:45:21 First release.



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