James Muehlner created GUACAMOLE-1669:
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             Summary: SSH Connections not working when FIPS mode is enabled on 
guacd host
                 Key: GUACAMOLE-1669
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1669
             Project: Guacamole
          Issue Type: Bug
            Reporter: James Muehlner


SSH connections (either password auth, or private key auth) are not working on 
hosts where FIPS mode is enabled. If FIPS mode is disabled, the connections 
start working again.

 

The problem seems to be that libssh2 negotiates to use non-FIPS-compliant key 
exchange algorithms or ciphers, and then OpenSSL refuses to use them.

The answer is most likely to just specify a list of FIPS-compatible algorithms 
and ciphers before connecting, if FIPS mode is enabled. It's unclear why 
libssh2 isn't already doing this.



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