3proxy tiny free proxy server
3Proxy tiny free proxy server is really tiny cross-platform
(Win32/Win64&Unix) freeware proxy servers set. It includes HTTP proxy with HTTPS
and FTP support, SOCKSv4/SOCKSv4.5/SOCKSv5 proxy (socks/socks.exe), POP3 proxy,
SMTP proxy, AIM/ICQ proxy (icqpr/icqpr.exe), MSN messenger / Live messenger
FTP proxy, caching DNS proxy, TCP and UDP portmappers.
3proxy 0.8.6 released March, 07 2016.
0.8.7 fixes random / system dependant bugs in daemon, extip, ftppr, authcache, SOCKSv5 BIND/UDPASSOC, improves stability under older Win platforms for lite version and adds some new functionality.
0.8.6 fixes random 00012 commands on some configurations
0.8.5 fixes crash on 'log' commands in some configurations
0.8.4 fixes random errors on IPv6 connect and adds extip and stacksize support
0.8.3 fixes FreeBSD connect() problems
0.8.2 fixes bug with transparent flag not reset in keep-alive connection
leading to potential DoS from authenticated user; FreeBSD interface binding
problems, random 00013 errors on some Linux glibc versions.
0.8.1 fixes bug with destination networks on ACLs
0.8 intoduces IPv6 support, connect back, DNS proxy via TCP with parent proxy support,
non-blocking name resolution via default system methods on *nix, reduced memory usage and
multiple race conditions fixes.
It's recommended to move to >=0.8.2 or 0.7.1.4 due to security/stability reasons.
You can use every proxy as a standalone program (socks, proxy, tcppm,
udppm, pop3p) or use combined program (3proxy). Combined proxy
additionally supports features like access control, bandwidth limiting,
limiting daily/weekly/monthly traffic amount,
proxy chaining, log rotation, syslog and ODBC logging, etc.
It's created to be small, simple and yet very functional.
It may be compiled with Visual C or gcc. Native Win32/Win64 versions included
in archive and supports installation as a service. Currently
3proxy is tested to work under Windows since 98 (Windows before Vista reqires lite version) and up to latest version both i386 and x64,
FreeBSD/i386/x64, NetBSD/i386/x64, OpenBSD/i386/x64, Linux/i386/x64/PPC/Alpha/arm, Mac OS X, Solaris/i386/x64.
See Release Notes and Changes on download page for a full list of features
3proxy is absolutely free (FreeWare) and open source. It can be used
under terms of GNU/GPL. Starting from 0.6 version BSD-style license is used and
any compatible license (Apache license, GPL, LGPL) may be used instead.
For licensing or commercial support questions please e-mail to
- 3APA3A, 3APA3A at 3proxy.ru, code developer
- Vladimir Dubrovin, vlad at securityvulns.ru, code developer
© 2000-2016 by 3APA3A, Vladimir Dubrovin. Please contact 3proxy development team if you want to contribute code or maintain port.