It would be nice if OpenSSH would have features to circumvent network filters, like SSL tunneling

Björn Lässig b.laessig at
Thu Apr 20 16:47:23 AEST 2023

On Wed, 2023-04-19 at 19:00 -0700, Yuri wrote:
> I am in the network that is behind the Zscaler firewall.
> Virtually all ports except 80 and 443 are closed. ssh through any of 
> ports 80 and 443 is disallowed based on protocol content analysis.
> It would be nice if OpenSSH would have some features that would allow 
> the user to break out of such network.
> I suggest that OpenSSH adds the SSL tunneling feature:

Simply set up stunnel4 according to your needs.
This way you can wrap ssh in ssl.

Yours faithfully,
Björn Lässig

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