OpenVPN Option for --reneg-sec n. I've started putting Grandstream phones on my VPN since Grandstream now has that option on there 21xx models for OpenVPN. But every 3600 seconds it does a TLS Reneg which makes the phone drop audio, lights etc.. for 1-2 seconds and then it comes back on. You don't lose the call just the phone as a blip.
After doing a bit of testing it appears that the reneg-sec directive does not work when the server (in this testing case OpenVPN 2.4.4 and 2.4.5) is charge of the renegotiation time (pushing the config option), but does work when the client is in charge.. I was able to reproduce this on the Linux CLI, my own Android (SWIG based) implementation, and an iOS/Mac version as well. openvpn-2.4.1-reneg-sec_random.patch on Ticket #865 old new 34 34.\" .ft -- normal face: 35 35.\" .in +|-{n} -- indent: 36 36.\" 37 .TH openvpn 8 "25 August 2016": 37.TH openvpn 8 "28 March 2017": 38 Full VPN Setup for pfSense Router - OpenVPN Client Apr 25, 2017 OpenVPN - ArchWiki OpenVPN is an extremely versatile piece of software and many configurations are possible, in fact machines can be both servers and clients. With the release of v2.4, server configurations are stored in /etc/openvpn/server and client configurations are stored in /etc/openvpn/client and each mode has its own respective systemd unit, namely, openvpn-client@.service and openvpn-server@.service.
VPN — OpenVPN — Using the OpenVPN Client Export Package
How to install and configure OpenVPN - Interserver Tips 20) If you have CSF on your server, open the OpenVPN port number 1194 through the firewall and enter the following commands. iptables -A FORWARD -m state –state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -s 10.8.0.0/24 -j ACCEPT OpenVPN server does not assign IP-addresses. | Howtoforge
Using the OpenVPN Client Export Package¶. Once installed, the OpenVPN Client Export add-on package, located at VPN > OpenVPN on the Client Export tab, automatically creates a Windows installer to download, or it can generate configuration files for OSX (Viscosity), Android and iOS clients, SNOM and Yealink handsets, and others.. Choose from any existing remote access server definitions, and
Two-Factor Authentication for OpenVPN | Duo Security