bridging lan segments across untrusted links

we’ve run out of the office space in one of the locations. in short term it was not possible to find a suitable and large enough place to rent so we had to split and relocate some of the staff to another building few kilometers away. it’s possible that we’ll shuffle people and servers between …

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“Waiting for TUN/TAP interface to come up” in OpenVPN logs under windows 10

i run windows 10 on one of the computers, it also has a ‘dial up’ openvpn – started from openvpn gui. it worked fine for a few days but then i started to see repeting in the logs and tunnel would not get up for 20-60 seconds. and sometimes even after that the right entries …

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openvpn point-to-point server listening both on v4 and v6

at work i have openvpn between OVH dedicated server and our datacenter. due to varying bandwidth we sometimes use udp over ipv6 and sometimes over ipv4 as an encapsulation method. whenever we did the switch we always had to reconfigure both ends of the tunnel. it turns out that with recent openvpns and kernels it’s …

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