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Posted to issues@guacamole.apache.org by "Mike Jumper (Jira)" <ji...@apache.org> on 2023/05/17 23:26:00 UTC
[jira] [Closed] (GUACAMOLE-1669) SSH Connections not working when FIPS mode is enabled on guacd host
[ https://issues.apache.org/jira/browse/GUACAMOLE-1669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mike Jumper closed GUACAMOLE-1669.
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Fix Version/s: (was: 1.6.0)
Resolution: Fixed
> 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
> Assignee: Mike Jumper
> Priority: Major
> Fix For: 1.5.2
>
>
> 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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