Are you using antispoof in your pf.conf? if so, X11 forwarding will not work.

carlopmart wrote:
Hi all,

I need to allow X11 services over ssh for my developers on one openbsd box. Rule for ssh service works ok, but when I try to start a X11 app (like xterm for example on destination host) doesn't works.

On openbsd side nothing is dropped. Somebody knows how can I debug this?? Do I need to open additional ports or protocols??

Many thanks.

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