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- OpenVPN Plugins
- ---------------
- Starting with OpenVPN 2.0-beta17, compiled plugin modules are
- supported on any *nix OS which includes libdl or on Windows.
- One or more modules may be loaded into OpenVPN using
- the --plugin directive, and each plugin module is capable of
- intercepting any of the script callbacks which OpenVPN supports:
- (1) up
- (2) down
- (3) route-up
- (4) ipchange
- (5) tls-verify
- (6) auth-user-pass-verify
- (7) client-connect
- (8) client-disconnect
- (9) learn-address
- See the openvpn-plugin.h file in the top-level directory of the
- OpenVPN source distribution for more detailed information
- on the plugin interface.
- Included Plugins
- ----------------
- auth-pam -- Authenticate using PAM and a split privilege
- execution model which functions even if
- root privileges or the execution environment
- have been altered with --user/--group/--chroot.
- Tested on Linux only.
- down-root -- Enable the running of down scripts with root privileges
- even if --user/--group/--chroot have been used
- to drop root privileges or change the execution
- environment. Not applicable on Windows.
- examples -- A simple example that demonstrates a portable
- plugin, i.e. one which can be built for *nix
- or Windows from the same source.
- Building Plugins
- ----------------
- cd to the top-level directory of a plugin, and use the
- "make" command to build it. The examples plugin is
- built using a build script, not a makefile.
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