OpenVPN replay warning with NordVPN


Regular Contributor
Well I get this log when using NordVPN on my AX86U - what can I do?

Jul 24 20:26:37 ovpn-client1[2974]: AEAD Decrypt error: bad packet ID (may be a replay): [ #732291 ] -- see the man page entry for --no-replay and --replay-window for more info or silence this warning with --mute-replay-warnings


Part of the Furniture
You might see this from an attempted MITM (Man in the Middle) attack. But it's NOT as if I haven't seen these on an occasion myself. I don't worry about it unless they become pervasive. After all, it might simply be a corrupted packet that's being misinterpreted as a replay attack. I'd need to see a LOT more of these to have concerns. If you do, I'd try switching to TCP (I assume you're using UDP) and see if it helps.


Regular Contributor
Thank you :)

My guess is now that it might a package problem like you write

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