When logging in with SSH with an Access Rule that permits SSH_X11, the login is successful, but X cannot be forwarded.
When logging in, the user is presented with an error similar to:
X11 forwarding request failed on channel 0
And the boks_errlog on the host shows:
Failed to allocate internet-domain X11 display socket
Resolution / Workaround
This is a legacy bug in sshd that is triggered when a host does not have any IPv6 interfaces configured.
As a workaround, add the line
to the files $BOKS_etc/ssh/sshd_config..active and $BOKS_etc/ssh/sshd_config..inactive, then restart BoKS.
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