On 4/8/24 03:51, Jochen Bern wrote:
On 08.04.24 12:03, Peter Davis via Openvpn-users wrote:
Hello,
I can connect to OpenVPN server through PC, but it is not possible from Android. 2024-04-08 13:25:58 read UDPv4 [EMSGSIZE Path-MTU=1476]: Message too long (fd=6,code=90)

Well, *if* we can take that log line at face value, you might want to try reducing the MTU configured in your client.

Other than that, do you see any packets of a connection *attempt* arrive on the server, or corresponding log entries?

I have encountered situations where I had to use an MTU of 1420 before OpenVPN would operate correctly over cellular data. It all depends on how many layers of encapsulation a packet has to go through in a carrier's network before getting out into the open Internet.

--
blz



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