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Posted to commits@guacamole.apache.org by "Sven Gottwald (JIRA)" <ji...@apache.org> on 2017/10/08 09:11:02 UTC
[jira] [Reopened] (GUACAMOLE-407) Support "modern" ssh crypto -
only SHA1 is available
[ https://issues.apache.org/jira/browse/GUACAMOLE-407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sven Gottwald reopened GUACAMOLE-407:
-------------------------------------
The docker image guacamole/guacd uses the libssh2 packages from centos 7 ([http://mirror.centos.org/centos/7/os/x86_64/Packages/]) which are totally outdated (version 1.4.3 from November 27 2012).
So this is a guacamole-docker issue.
> Support "modern" ssh crypto - only SHA1 is available
> ----------------------------------------------------
>
> Key: GUACAMOLE-407
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-407
> Project: Guacamole
> Issue Type: Improvement
> Components: SSH
> Affects Versions: 0.9.13-incubating
> Environment: guacamole 0.9.13-incubating under docker https://hub.docker.com/r/guacamole/guacamole/
> Reporter: Sven Gottwald
>
> It seems that guacamole doesn't support any "modern" ssh crypto.
> The following key exchange methods are supported:
> * diffie-hellman-group14-sha1
> * diffie-hellman-group-exchange-sha1
> * diffie-hellman-group1-sha1
> The following MACs are supported:
> * hmac-sha1,hmac-sha1-96
> * hmac-md5,hmac-md5-96
> * hmac-ripemd160
> * hmac-ripemd160@openssh.com
> Guacamole SHOULD support modern crypto like SHA2 and curve25519, see https://wiki.mozilla.org/Security/Guidelines/OpenSSH for more information and references.
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