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How to Enable Weaker Algorithms in the Built-in OpenSSH Server

Problem

You are trying to connect to the built-in OpenSSH server of IGEL OS with an SSH client which does not support the strong algorithms of the server.

Solution

To enable weaker encryption algorithms, proceed as follows:

  1. In Setup, go to System > Registry > network > ssh_server.

  2. Change the settings according to your requirements:

    • disable_weak_encryption: Disable this option to enable weaker encryption.

    • disable_weak_hostkey_algos: Disable this option to enable weaker host key algorithms.

    • disable_weak_kexalgorithms: Disable this option to enable weaker key exchange algorithms.

    • disable_weak_macs: Disable this option to enable weaker MACs.

    • minimal_encryption_level: The minimal level of encryption





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