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Help required, Certain VPN does not connect and times out (lemmy.ml)

submitted 6 months ago by sga@lemmy.ml to c/archlinux@lemmy.ml

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Can someone help, i have been having trouble connected with my home universities vpn, for past 15-20days, it is an openvpn connection, so i have been using networkmanager-openvpn to import my config files, and they have worked previously, but for last 15-20 days i get connection timed out, all certificates used are correct, i have tried to connect on cli,

Connection activation failed: The connection attempt timed out

and it suggests to check journalctl logs (nothing erroneous i could find) i am also able to connect with this vpn with my phone (with openvpn official app with same files), and also i am able to connect to proton's vpns with my laptop, so i guess my device is not completely broken, i have tried to redownload my certificate files, recreating vpn profile, reinstalling networkmanager, nothing worked

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[–] Max_P@lemmy.max-p.me 3 points 6 months ago

ERROR: failed to negotiate cipher with server.  Add the server's cipher ('AES-128-CBC') to --data-ciphers (currently 'AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305') if you want to connect to this server.

That's your error. So I think

data-ciphers AES-128-CBC

In your config should resolve this. Basically there's some issues with CBC and it's now off by default.