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stunnel 4.47 released
by Michal Trojnara 20 Nov '11

20 Nov '11

Dear Users, I have released version 4.47 of stunnel. This version includes a number of important bugfixes. The ChangeLog entry: Version 4.47, 2011.11.21, urgency: MEDIUM: * Internal improvements - CVE-2010-3864 workaround improved to check runtime version of OpenSSL rather than compiled version, and to allow OpenSSL 0.x.x >= 0.9.8p. - Encoding of man page sources changed to UTF-8. * Bugfixes - Handling of socket/SSL close in transfer() function was fixed. - Logging was modified to save and restore system error codes. - Option "service" was restricted to Unix, as since stunnel 4.42 it wasn't doing anything useful on Windows platform. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.47.tar.gz: 0b70f8bad8b6963e6154606571a83a3f0e0dea88d7dbd7e3b83cde5a07dd95ae Best regards, Mike

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stunnel 4.46 released
by Michal Trojnara 04 Nov '11

04 Nov '11

Dear Users, I have released version 4.46 of stunnel. The ChangeLog entry: Version 4.46, 2011.11.04, urgency: LOW: * New features - Added Unix socket support (e.g. "connect = /var/run/stunnel/ socket"). - Added "verify = 4" mode to ignore CA chain and only verify peer certificate. - Removed the limit of 16 IP addresses for a single 'connect' option. - Removed the limit of 256 stunnel.conf sections in PTHREAD threading model. It is still not possible have more than 63 sections on WIN32 platform. http://msdn.microsoft.com/en-us/library/windows/desktop/ms740141(v=vs.85).a… * Optimizations - Reduced per-connection memory usage. - Performed a major refactoring of internal data structures. Extensive internal testing was performed, but some regression bugs are expected. * Bugfixes - Fixed WIN32 compilation with Mingw32. - Fixed non-blocking API emulation layer in UCONTEXT threading model. - Fixed signal handling in UCONTEXT threading model. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.46.tar.gz: 8ea8943bdfcd74a2e66dc00d4ed17b402bbd39d040a125901534f6f4308da99d Best regards, Mike

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stunnel 4.45 released
by Michal Trojnara 24 Oct '11

24 Oct '11

Dear Users, I have released version 4.45 of stunnel. The ChangeLog entry: Version 4.45, 2011.10.24, urgency: LOW: * New features - "protocol = proxy" support to send original client IP address to haproxy: http://haproxy.1wt.eu/download/1.5/doc/proxy-protocol.txt This requires accept-proxy bind option of haproxy 1.5-dev3 or later. - Added Win32 configuration reload without a valid configuration loaded. - Added compatibility with LTS OpenSSL versions 0.9.6 and 0.9.7. Some features are only available in OpenSSL 1.0.0 and later. * Performance optimizations - Use SSL_MODE_RELEASE_BUFFERS if supported by the OpenSSL library. - Libwrap helper processes are no longer started if libwrap is disabled in all sections of the configuration file. * Internal improvements - Protocol negotiation framework was rewritten to support additional code to be executed after SSL_accept()/SSL_connect(). - Handling of memory allocation errors was rewritten to gracefully terminate the process (thx to regenrecht for the idea). * Bugfixes - Fixed -l option handling in stunnel3 script (thx to Kai Gülzau). - Script to build default stunnel.pem was fixed (thx to Sebastian Kayser). - MinGW compilation script (mingw.mak) was fixed (thx to Jose Alf). - MSVC compilation script (vc.mak) was fixed. - A number of problems in WINSOCK error handling were fixed. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.45.tar.gz: cbce8279c1ba7a07bfefeb2e477f682bfd326519f8a7ed296e35210599898a2d Best regards, Mike

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stunnel 4.44 released
by Michal Trojnara 17 Sep '11

17 Sep '11

Dear Users, I have released version 4.44 of stunnel. The ChangeLog entry: Version 4.44, 2011.09.17, urgency: MEDIUM: * New features - Major automake/autoconf cleanup. - Heap buffer overflow protection with canaries. - Stack buffer overflow protection with -fstack-protector. * Bugfixes - Fixed garbled error messages on errors with setuid/setgid options. - SNI fixes (thx to Alexey Drozdov). - Use after free in fdprintf() (thx to Alexey Drozdov). This issue might cause GPF with "protocol" or "ident" options. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.44.tar.gz: fa0dfc33f323abfbc94aa993d90d37481cd2f652ee93ec2f8c333ac7a496c7b9 Best regards, Mike

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stunnel 4.43 released
by Michal Trojnara 07 Sep '11

07 Sep '11

Dear Users, I have released version 4.43 of stunnel. The ChangeLog entry: Version 4.43, 2011.09.07, urgency: MEDIUM: * New features - Updated Win32 DLLs for OpenSSL 1.0.0e. - Major optimization of the logging subsystem. Benchmarks indicate up to 15% performance improvement. * Bugfixes - Fixed WIN32 configuration file reload. - Fixed FORK and UCONTEXT threading models. - Corrected INSTALL.W32 file. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.43.tar.gz: 93a002d9e1652d7684756af75b44b00f99aa93574e8a5a2e69f88656221d5ce2 Best regards, Mike

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stunnel 4.42 released
by Michal Trojnara 18 Aug '11

18 Aug '11

Dear Users, I have released version 4.42 of stunnel. This is a security bugfix release. Upgrade is highly recommended! The ChangeLog entry: Version 4.42, 2011.08.18, urgency: HIGH: * New features - New verify level 0 to request and ignore peer certificate. This feature is useful with the new Windows GUI menu to save cached peer certificate chains, as SSL client certificates are not sent by default. - Manual page has been updated. - Removed support for changing Windows Service name with "service" option. * Bugfixes - Fixed a heap corruption vulnerability in versions 4.40 and 4.41. It may possibly be leveraged to perform DoS or remote code execution attacks. - The -quiet commandline option was applied to *all* message boxes. - Silent install (/S option) no longer attempts to create stunnel.pem. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.42.tar.gz: d33c407bfc4f58070e818081bd082c38f91cab7691ccbb794da63143c535de3b Best regards, Mike

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stunnel 4.41 released
by Michal Trojnara 25 Jul '11

25 Jul '11

Dear Users, I have released version 4.41 of stunnel. This is a bugfix release. I highly recommend Windows users to upgrade. The ChangeLog entry: Version 4.41, 2011.07.25, urgency: MEDIUM: * Bugfixes - Fixed Windows service crash of stunnel 4.40. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.41.tar.gz: 08e0e7df42bfb8b8551eb6c4b5b50eae6051aaf75077101d729e67c7a3a00c72 Best regards, Mike

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stunnel 4.40 released
by Michal Trojnara 23 Jul '11

23 Jul '11

Dear Users, I have released version 4.40 of stunnel. The ChangeLog entry: Version 4.40, 2011.07.23, urgency: LOW: * New Win32 features - Added a GUI menu to save cached peer certificate chains. - Added "-exit" option to stop stunnel *not* running as a service. This option may be useful for scripts. - Added file version information to stunnel.exe. - A number of other GUI improvements. * Other new features - Hardcoded 2048-bit DH parameters are used as a fallback if DH parameters are not provided in stunnel.pem. - Default "ciphers" value updated to prefer ECDH: "ALL:!SSLv2:!aNULL:!EXP:!LOW:-MEDIUM:RC4:+HIGH". - Default ECDH curve updated to "prime256v1". - Removed support for temporary RSA keys (used in obsolete export ciphers). Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.40.tar.gz: 91f32c7654dde0e1cf37ed0d8517e0d0b5985cd30443a9d64cd33d232b5fe9ce Best regards, Mike

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stunnel 4.40b1
by Michal Trojnara 17 Jul '11

17 Jul '11

Dear Users, I have just added a new Windows GUI menu to save peer certificate chains. Please to give it a try and let me know if there are any issues, so I can fix them in the final stunnel 4.40: ftp://ftp.stunnel.org/stunnel/stunnel-4.40b1-installer.exe Another useful function would probably be a replacement for Unix c_rehash script. 8-) I also appreciate your comments are suggestions related to the new functionality. Best regards, Mike

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stunnel 4.39 released
by Michal Trojnara 06 Jul '11

06 Jul '11

Dear Users, I have just released version 4.39 of stunnel. This version includes major improvements of the Windows GUI and installer. The ChangeLog entry: Version 4.39, 2011.07.06, urgency: LOW: * New features - New Win32 installer module to build self-signed stunnel.pem. - Added configuration file editing with Windows GUI. - Added log file reopening file editing with Windows GUI. It might be useful to also implement log file rotation. - Improved configuration file reload with Windows GUI. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.39.tar.gz: 972e4c150e3012ba8777f149c858e1e290aeb7ad7976e1551ac1752bc04fb0ed Best regards, Mike

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