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While prexisting devices work well TUN/TAP the DCO interfaces require setting the ifmode which cannot be done by FreeBSD base tooling. In peer-to-peer mode this is not a problem because that is the default mode. Subnet mode, however, will fail to be set and the resulting connection does not start: Failed to create interface ovpns2 (SIOCSIFNAME): File exists (errno=17) DCO device ovpns2 already exists, won't be destroyed at shutdown /sbin/ifconfig ovpns2 10.1.8.1/24 mtu 1500 up ifconfig: in_exec_nl(): Empty IFA_LOCAL/IFA_ADDRESS ifconfig: ioctl (SIOCAIFADDR): Invalid argument FreeBSD ifconfig failed: external program exited with error status: 1 Exiting due to fatal error Slightly restructure the code to catch the specific error condition and execute dco_set_ifmode() in this case as well. Signed-off-by: Franco Fichtner <franco@opnsense.org> Acked-by: Gert Doering <gert@greenie.muc.de> Message-Id: <AE20A784-506C-488B-9302-2D3AE775B168@opnsense.org> URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg28688.html Signed-off-by: Gert Doering <gert@greenie.muc.de>
OpenVPN -- A Secure tunneling daemon Copyright (C) 2002-2022 OpenVPN Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. ************************************************************************* To get the latest release of OpenVPN, go to: https://openvpn.net/community-downloads/ To Build and Install, tar -zxf openvpn-<version>.tar.gz cd openvpn-<version> ./configure make make install or see the file INSTALL for more info. For information on how to build OpenVPN on/for Windows with MinGW or MSVC see README.cmake.md. ************************************************************************* For detailed information on OpenVPN, including examples, see the man page http://openvpn.net/man.html For a sample VPN configuration, see http://openvpn.net/howto.html To report an issue, see https://github.com/OpenVPN/openvpn/issues/new (Note: We recently switched to GitHub for reporting new issues, old issues can be found at: https://community.openvpn.net/openvpn/report) For a description of OpenVPN's underlying protocol, see the file ssl.h included in the source distribution. ************************************************************************* Other Files & Directories: * configure.ac -- script to rebuild our configure script and makefile. * sample/sample-scripts/verify-cn A sample perl script which can be used with OpenVPN's --tls-verify option to provide a customized authentication test on embedded X509 certificate fields. * sample/sample-keys/ Sample RSA keys and certificates. DON'T USE THESE FILES FOR ANYTHING OTHER THAN TESTING BECAUSE THEY ARE TOTALLY INSECURE. * sample/sample-config-files/ A collection of OpenVPN config files and scripts from the HOWTO at http://openvpn.net/howto.html ************************************************************************* Note that easy-rsa and tap-windows are now maintained in their own subprojects. Their source code is available here: https://github.com/OpenVPN/easy-rsa https://github.com/OpenVPN/tap-windows6 Community-provided Windows installers (MSI) and Debian packages are built from https://github.com/OpenVPN/openvpn-build See the INSTALL file for usage information.