Tag Archives: ssh

Secure port forwarding with SSH

Sometimes, it’s desirable to connect to a remote machine running a specific service without enabling it for the whole Internet. This can be done with port forwarding. Port forwarding allows you to bind a local IP socket to a remote … Continue reading

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Reaching services over HTTP with HTTPtunnel

Having some ports closed is very common in public wireless networks. For example, when I’m at University I’m able to use only a small set of ports like 80 (HTTP) and 443 (HTTPS). Sometimes you need to connect to web … Continue reading

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Port Knocking The Easy Way

I had implemented port knocking before with linux daemons and knocking clients but this requires installing software that is always running and consuming memory and processor resources. If you are using a Virtual Private Server –as I am–, you can’t … Continue reading

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