You can use as many proxy servers as you can or want. The more you have, the more anonymous you will be. Hacking Security Sites part 14 | find proxies on other ports than 23 1080 socks 80 - 81 3128 8080 8081. Because almost all IRC server scan now for proxy with ports above. Question The program is not able to work with proxy. What should I do Answer Making a program to use a proxy server depends on the type of proxy. For SOCKS proxy you ll need SocksCap check under proxy tools . It will socksificate any program . redirect all requests to the socks proxy. For HTTP it s necessary for the proxy server to support HTTPS protocol. Install a local SOCKS proxy server and using Socks2HTTP redirect all requests to it on HTTP proxy. Question What is proxy chaining Answer A Proxy chaining is merely connecting to more than one proxy and then to your intended destination. You can use as many proxy servers as you can or want. The more you have the more anonymous you will be. Question How does using the proxy server affect the performance of Netscape or Internet Explorer Answer It may take slightly longer to connect over a dialing line if you are using the proxy server setup. That s because your browser must first load the proxy instructions before it proceeds with the session. It is also possible that as more and more resources come to be protected by the proxy server it may slow your browser s performance a little. Question Do I need to do anything to exit the proxy server Answer Yes. When you have finished using the proxy services remember to turn the proxy server settings off. If you do not all further internet transactions will be filtered through the proxy server. Unnecessary use of the proxy server may slow down your internet access. Question What is PAC Answer PAC stands for a Proxy Auto Config file. It does the same thing as you when configuring Web browsers to use a proxy server. But it makes the browser to load its proxy configuration information from a remote JavaScript file but not from the information you enter directly. Question Do I need to perform the browser configuration every time I go online