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action #110263

closed

OpenVPN warnings

Added by ingogoeppert about 2 years ago. Updated 3 months ago.

Status:
Closed
Priority:
Normal
Assignee:
flacco
Category:
Discussion
Target version:
-
Start date:
2022-04-25
Due date:
% Done:

0%

Estimated time:

Description

This OpenVPN client version:
Mon Apr 25 08:45:45 2022 OpenVPN 2.5.6 Windows-MSVC [SSL (OpenSSL)] [LZO] [LZ4] [PKCS11] [AEAD] built on Mar 16 2022
prints this warnings:
Mon Apr 25 08:45:45 2022 WARNING: Compression for receiving enabled. Compression has been used in the past to break encryption. Sent packets are not compressed unless "allow-compression yes" is also set.
Mon Apr 25 08:45:45 2022 DEPRECATED OPTION: --cipher set to 'AES-256-CBC' but missing in --data-ciphers (AES-256-GCM:AES-128-GCM). Future OpenVPN version will ignore --cipher for cipher negotiations. Add 'AES-256-CBC' to --data-ciphers or change --cipher 'AES-256-CBC' to --data-ciphers-fallback 'AES-256-CBC' to silence this warning.

I think we should:

  1. Disable compression. What do you think?
  2. Fix the cipher deprecation warning by the suggested config modification (I do not understand 100% what to do, @flacco do you know what to do?).
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 #1

Updated by flacco 3 months ago

  • Status changed from New to Closed

Ist überarbeitet.

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