I believe you mean VPN servers.
GET all info about proxies here: http://www.gosun.co.cc/2010/05/18/proxy-servers-what-are-they/ go to http://www.samair.ru/proxy/ its a giant list of proxys updated hourly, change your proxy maunally to one of them in the internet options tab.
You can get proxy websites by just surfing the internet for proxies in google or looking for links on proxy websites. Here is the on I use: http://www.proxytunnel.org/
many proxy servers are blocked and most proxy switching programs do not cover all traffic just HTTP but if you wind a good proxy switcher and a unblucked proxy you can but that is extremely hard to do
Try Try http://freeairproxy.com/
use http:\\kproxy.com
Use a proxy website. use http
Use a proxy website. use http
If you need any further detail so you can visit.. http://www.tech-faq.com/setup-proxy-server.shtml
A proxy transaction would be getting someone else to facilitate the transaction on your behalf. What ever that transaction may be. http://aproxy.org
i have the same problem. you cant necessarily stop it but you can get around them. I personally use proxy site's.If you want to get around blocked sites(myspace,facebook,etc) then proxy is your friend. http:/www.radiofairy.com is one of the best proxy out there. If you want a larger variety of proxy sites visit http:/www.proxy.org.I hoped this helped!
I'm sure but you can contact your administrator to ask him and you can say your reason to get unblocked. If urgetn try using web proxy like http://www.cafedeyou.com & http://www.pixonica.com http://bersama.info/behindyou http://www.hostingforyou.uni.cc http://www.bestfengshui.info http://www/lech.uni.cc Try now amd get blocked