Hey there
I'm trying to get a Win2012 openvpn client to talk to a Redhat7 openvpn
server but aren't having much luck. I've reduced the config down to bare
minimums: the link comes up, IP addresses are assigned at both ends - but
they cannot even ping each other.
It screams "firewall", but as far as I can see I've turned them off *and*
disconnected the Windows one from the openvpn interface - so that shouldn't
be it. But if I try to ping the server from the Win2012 client, tcpdump on
the tun interface on the server shows the "echo request" coming in and the
"echo reply" going back out over the same interface - but Windows never
receives it (ie it still smells firewall to me).
Routing table points the vpn subnet to the vpn (the ping proves it) - but
no joy. I can't initiate pings in either direction.
The weird thing if I reboot the Win client, after the link comes up I can
*successfully* ping the client *once* (ie one packet). After that the dead
symptoms kick in. I mean - what's that about? :-)
Is there something weird that makes Win2012 act differently than (say)
Win10? I've actually copied the openvpn config to a Win10 system where it
works fine - so this is definitely a working config - just not for Win2012.
Both ends are fully patched and the Windows installer was grabbed yesterday
from openvpn.net
Any ideas appreciated
--
Cheers
Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +1 408 481 8171
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
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