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SSH Tunneling – Easy Secure Proxy

March 20, 2011 Posted in Networking

While I was trying to setup OpenVPN as a proxy, I found that SSH tunneling is a much easier and more convenient solution. The configuration only takes a few minutes, and the client side can be configured to use the proxy or not on a program-by-program basis.

Add the following line in /etc/ssh/sshd_config

PermitTunnel yes

Configure Windows client

Another Network Problem

March 1, 2009 Posted in Networking

Today I found some sites on my server didn’t respond, but I couldn’t find anything wrong with the server. Apache logs showed that these websites hadn’t got any visits since 16 hours ago. Read More

Add additional IPs

January 20, 2009 Posted in Networking

I made some mistakes when adding additional IPs for my new server and was locked out twice. Here are some tips to avoid those errors.
Read More

Using Traceroute

October 26, 2008 Posted in Networking

This is a great tutorial on traceroute, including exercise and an online tool. I can traceroute to my server successfully from my desktop or VPS, but most online tools failed. The one in the above link also has a TCP mode, isn’t traceroute based on ICMP? Maybe that’s why other online tools failed – they only use ICMP mode. Read More