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sshd implementation in Go, for the sole purpose of restricting the ports that clients can request using direct-tcpip and tcpip-forward / forwarded-tcpip.
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Merlijn B. W. Wajer a89882af11
Add flag parsing 		7 years ago
README.rst Add go-sshd, the ssh restrictive port-forwarder 7 years ago
TODO Update TODO with future additions 7 years ago
sshd.go Add flag parsing 7 years ago

README.rst 

Motivation
==========

sshd implementation in Go, for the sole purpose of restricting the ports that
clients can request using direct-tcpip.

OpenSSH refuses to merge patches to support this, but there is a fork of OpenSSH
with patches that achieve something similar to this. [1]


[1] https://github.com/antonyantony/openssh

authorized_keys format
======================

Same as OpenSSH authorized_keys format.
Comment field contains the ports that are allowed to be forwarded, comma
separated::

    ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHPWEWu85yECrbmtL38wlFua3tBSqxTekCX/aU+dku+w 3333,3334