OpenConnect VPN client.
Description: VPN client compatible with Cisco AnyConnect SSL VPN
Keywords: OpenConnect, AnyConnect, Cisco, VPN, SSLVPN, SSL VPN

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OpenConnect VPN client

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# Changelog

For full changelog entries including the latest development, see gitweb.

- OpenConnect HEAD
  - No changelog entries yet
- OpenConnect v3.15 (PGP signature) — 2011-11-25
  - Fix for reading multiple packets from Solaris tun device.
  - Call `bindtextdomain()` to ensure that translations are found in install path.
- OpenConnect v3.14 (PGP signature) — 2011-11-08
  - Move executable to `$prefix/sbin`.
  - Fix build issues on OSX, OpenIndiana, DragonFlyBSD, OpenBSD, FreeBSD & NetBSD.
  - Fix non-portable `(void *)` arithmetic.
  - Make more messages translatable.
  - Attempt to make NLS support more portable (with fewer dependencies).
- OpenConnect v3.13 (PGP signature) — 2011-09-30
  - Add `--cert-expire-warning` option.
  - Give visible warning when server dislikes client SSL certificate.
  - Add localisation support.
  - Fix build on Debian systems where `dtls1_stop_timer()` is not available.
  - Fix libproxy detection.
  - Enable a useful set of compiler warnings by default.
  - Fix various minor compiler warnings.
- OpenConnect v3.12 — 2011-09-12
  - Fix DTLS compatibility with ASA firmware 8.4.1(11) and above.
  - Fix build failures on GNU Hurd, on systems with ancient OpenSSL, and on Debian.
  - Add `--pid-file` option.
  - Print SHA1 fingerprint with server certificate details.
- OpenConnect v3.11 — 2011-07-20
  - Add `Android.mk` file for Android build support
  - Add logging support for Android, in place of standard `syslog()`.
  - Switch back to using TLSv1, but without extensions.
  - Make TPM support optional, dependent on OpenSSL ENGINE support.
- OpenConnect v3.10 — 2011-06-30
  - Switch to using GNU autoconf/automake/libtool.
  - Produce shared library for authentication.
  - Improve library API to make life easier for C++ users.
  - Be more explicit about requiring `pkg-config`.
  - Invoke script with `reason=reconnect` on CSTP reconnect.
  - Add `--non-inter` option to avoid all user input.
- OpenConnect v3.02 — 2011-04-19
  - Install man page in `make install` target.
  - Add `openconnect_vpninfo_free()` to libopenconnect.
  - Clear cached `peer_addr` to avoid reconnecting to wrong host.
- OpenConnect v3.01 — 2011-03-09
  - Add libxml2 to pkg-config requirements.
- OpenConnect v3.00 — 2011-03-09
  - Create libopenconnect.a for GUI authentication dialog to use.
  - Remove auth-dialog, which now lives in the network-manager-openconnect package.
  - Cope with more entries in authentication forms.
  - Add `--csd-wrapper` option to wrap CSD trojan.
  - Report error and abort if CA file cannot be opened.
- OpenConnect v2.26 — 2010-09-22
  - Fix potential crash on relative HTTP redirect.
  - Use correct TUN/TAP device node on Android.
  - Check client certificate expiry date.
  - Implement CSTP and DTLS rekeying (both by reconnecting CSTP).
  - Add `--force-dpd` option to set minimum DPD interval.
  - Don't print `webvpn` cookie in debug output.
  - Fix host selection in NetworkManager auth dialog.
  - Use SSLv3 instead of TLSv1; some servers (or their firewalls) don't accept any `ClientHello` options.
  - Never include address family prefix on `script-tun` connections.
- OpenConnect v2.25 — 2010-05-15
  - Always validate server certificate, even when no extra `--cafile` is provided.
  - Add `--no-cert-check` option to avoid certificate validation.
  - Check server hostname against its certificate.
  - Provide text-mode function for reviewing and accepting "invalid" certificates.
  - Fix libproxy detection on NetBSD.
- OpenConnect v2.24 — 2010-05-07
  - Forget preconfigured password after a single attempt; don't retry infinitely if it's failing.
  - Set `$CISCO_BANNER` environment variable when running script.
  - Better handling of passphrase failure on certificate files.
  - Fix NetBSD build (thanks to Pouya D. Tafti).
  - Fix DragonFly BSD build.
- OpenConnect v2.23 — 2010-04-09
  - Support "Cisco Secure Desktop" trojan in NetworkManager auth-dialog.
  - Support proxy in NetworkManager auth-dialog.
  - Add `--no-http-keepalive` option to work around Cisco's incompetence.
  - Fix build on Debian/kFreeBSD.
  - Fix crash on receiving HTTP 404 error.
  - Improve workaround for server certificates lacking SSL_SERVER purpose, so that it also works with OpenSSL older than 0.9.8k.
- OpenConnect v2.22 — 2010-03-07
  - Fix bug handling port numbers above 9999.
  - Ignore "`Connection: Keep-Alive`" in HTTP/1.0 to work around server bug with certificate authentication.
  - Handle non-standard port (and full URLs) when used with NetworkManager.
  - Cope with relative redirect and form URLs.
  - Allocate HTTP receive buffer dynamically, to cope with arbitrary size of content.
  - Fix server cert SHA1 comparison to be case-insensitive.
  - Fix build on Solaris and OSX (`strndup()`, `AI_NUMERICSERV`).
  - Fix exit code with `--background` option.
- OpenConnect v2.21 — 2010-01-10
  - Fix handling of HTTP 1.0 responses with keepalive (RH#553817).
  - Fix case sensitivity in HTTP headers and hostname comparison on redirect.
- OpenConnect v2.20 — 2010-01-04
  - Fix use-after-free bug in NetworkManager authentication dialog (RH#551665).
  - Allow server to be specified with `https://` URL, including port and pathname (which Cisco calls 'UserGroup')
  - Support connection through HTTP and SOCKS proxies.
  - Handle HTTP redirection with port numbers.
  - Handle HTTP redirection with IPv6 literal addresses.
- OpenConnect v2.12 — 2009-12-07
  - Fix buffer overflow when generating useragent string.
  - Cope with idiotic schizoDNS configurations by not repeating DNS lookup for VPN server on reconnects.
  - Support DragonFlyBSD. Probably.
- OpenConnect v2.11 — 2009-11-17
  - Add IPv6 support for FreeBSD.
  - Support "split tunnel" mode for IPv6 routing.
  - Fix bug where client certificate's MD5 was only given to the CSD trojan if a PKCS#12 certificate was used.
- OpenConnect v2.10 — 2009-11-04
  - OpenSolaris support.
  - Preliminary support for IPv6 connectivity.
  - Fix session shutdown on exit.
  - Fix reconnection when TCP connection is closed.
  - Support for "Cisco Secure Desktop" idiocy.
  - Allow `User-Agent:` to be specified on command line.
  - Fix session termination on disconnect.
  - Fix recognition of certificates from OpenSSL 1.0.0.
- OpenConnect v2.01 — 2009-06-24
  - Fix bug causing loss of DTLS (and lots of syslog spam about it) after a CSTP reconnection.
  - Don't apply OpenSSL certificate chain workaround if we already have "extra" certificates loaded (e.g. from a PKCS#12 file).
  - Load "extra" certificates from `.pem` files too.
  - Fix SEGV caused by freeing certificates after processing cert chain.
- OpenConnect v2.00 — 2009-06-03
  - Add OpenBSD and FreeBSD support.
  - Build with OpenSSL-0.9.7 (Mac OS X, OpenBSD, etc.)
  - Support PKCS#12 certificates.
  - Automatic detection of certificate type (PKCS#12, PEM, TPM).
  - Work around OpenSSL trust chain issues (RT#1942).
  - Allow PEM passphrase to be specified on command line.
  - Allow PEM passphrase automatically generated from the `fsid` of the file system on which the certificate is stored.
  - Fix certificate comparisons (in NM auth-dialog and `--servercert` option) to use SHA1 fingerprint, not signature.
  - Fix segfault in NM auth-dialog when changing hosts.
- OpenConnect v1.40 — 2009-05-27
  - Fix validation of server's SSL certificate when NetworkManager runs openconnect as an unprivileged user (which can't read the real user's trust chain file).
  - Fix double-free of DTLS Cipher option on reconnect.
  - Reconnect on SSL write errors
  - Fix reporting of SSL errors through syslog/UI.
- OpenConnect v1.30 — 2009-05-13
  - NetworkManager auth-dialog will now cache authentication form options.
- OpenConnect v1.20 — 2009-05-08
  - DTLS cipher choice fixes.
  - Improve handling of authentication group selection.
  - Export more information to connection script.
  - Add `--background` option to dæmonize after connection.
  - Detect TCP connection closure.
- OpenConnect v1.10 — 2009-04-01
  - NetworkManager UI rewrite with many improvements.
  - Support for "UserGroups" where a single server offers multiple configurations according to the URL used to connect.
- OpenConnect v1.00 — 2009-03-18
  - First non-beta release.