OpenVPN is a virtual private network system that implements techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities.
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11 Facts About OpenVPN
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OpenVPN uses the OpenSSL library to provide encryption of both the data and control channels.
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3.
OpenVPN has several ways to authenticate peers with each other.
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When OpenVPN uses Transmission Control Protocol transports to establish a tunnel, performance will be acceptable only as long as there is sufficient excess bandwidth on the un-tunneled network link to guarantee that the tunneled TCP timers do not expire.
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5.
OpenVPN has the ability to drop root privileges, use mlockall to prevent swapping sensitive data to disk, enter a chroot jail after initialization, and apply a SELinux context after initialization.
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OpenVPN can be extended with third-party plug-ins or scripts, which can be called at defined entry points.
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7.
OpenVPN is available for mobile operating systems including Maemo, Windows Mobile 6.
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8.
OpenVPN is not compatible with VPN clients that use the IPsec over L2TP or PPTP protocols.
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9.
OpenVPN has been integrated into several router firmware packages allowing users to run OpenVPN in client or server mode from their network routers.
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10.
OpenVPN has been integrated into SoftEther VPN, an open-source multi-protocol VPN server, to allow users to connect to the VPN server from existing OpenVPN clients.
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11.
OpenVPN is integrated into Vyos, an open-source routing operating system forked from the Vyatta software router.
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