Nice! I wrote my own version of this in Go about 7 months ago. It's running in production and has been very reliable. You can find it here on my github account:

Nice! I wrote my own version of this in Go about 7 months ago. It's running in production and has been very reliable. You can find it here on my github account: https://github.com/JamesDunne/sslmux https://github.com/JamesDunne/sslmux I notice you haven't set any IO timeouts on your protocol sniffer. I had to add a read timeout because PuTTY (a Windows SSH client) waits for a packet from the SSH server first before sending any itself.