ssh - Unknown cipher type 'blowfish'
I just upgraded my Instance from Amazon Linux from "2016.03" to "2018.03" and now none of my autossh tunnels are working.
Turns out "blowfish" is no longer an accepable cypher for ssh. Now it's "blowfish-cbc"
[root@ip-10-0-0-89 init.d]# ssh -c blowfish 0
Unknown cipher type 'blowfish'
[root@ip-10-0-0-89 init.d]# ssh -V
OpenSSH_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017
They renamed the cypher to "blowfish-cbc".
[root@ip-10-0-0-89 init.d]# ssh -c blowfish-cbc 0
...works.
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