December 2024
M T W T F S S
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2345678
9101112131415
16171819202122
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December 2024
M T W T F S S
 1
2345678
9101112131415
16171819202122
23242526272829
3031  

sshd_config hardening

It seems that in Debian 8 (OpenSSH 6.7), diffie-Hellman-group1-sha1 is disabled by default.
A client that connects via SSH receive the error:

I tried adding

Code:
KexAlgorithms diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sh

Example

KexAlgorithms diffie-hellman-group-exchange-sha256,curve25519-sha256@libssh.org

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