You can add obsolete algorithms back to modern ssh.
I can still connect to my APC SUA1500 UPS using ssh through
in ~.ssh/config
and
I can still connect to my APC SUA1500 UPS using ssh through
Code:
PubkeyAcceptedAlgorithms +ssh-rsa
HostkeyAlgorithms +ssh-rsa
and
Code:
$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c aes256-cbc $UID@$HOST
Code:
$ ssh -V
OpenSSH_9.0p1, OpenSSL 1.1.1s 1 Nov 2022