How do i create my own proxy checker?

Hello,





I want to create my own proxy checker. It should check the proxy for availability. The prefered language is Perl, but any help and suggestions are appreciated.

How do i create my own proxy checker?
http://www.fresh-proxy-list.net/





You can find some free anonymous proxy server list in those website and some knowledge about the proxy.The proxy sites update checked fresh proxy list daily.You can use it to surf some blocked websites.