OpenVPN / OpenVPN/openvpn

Crtext method not supported

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Description

I use openvpn client for linux (ubuntu 22), I want to connect to my server that uses 2fa for protection, the client gives an error

This works on windows client and Mac OS

OpenVPN 2.6.5 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] [DCO]
library versions: OpenSSL 3.0.2 15 Mar 2022, LZO 2.10

ERROR:

23-07-11 09:07:51 us=641772 AUTH: Received control message: AUTH_FAILED,Authentication failed, required pending auth method 'crtext' not supported

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Research direction

No source file or test is identified; start by reproducing the AUTH_FAILED error with OpenVPN 2.6.5 on Ubuntu 22 and inspect how the client handles the required pending auth method 'crtext'. Done means the Linux client can complete the reported 2FA connection, with a regression test covering the behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux, ubuntu
Domain
authentication, networking, security
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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