how to check proxy status

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i need some help in here, First im using VB.NET

i need to establish a httpwebrequest using a proxy, the problem is not how to do that but my problem is that i have a list of proxies in a listbox for example , and i need to check those proxies one by one if they are valid or not before being used by the webrequest.... so as to discard the bad (timedout) proxies and only use the valid working ones

so any help

Posted 13-Apr-13 3:26am

Member 9953644

Updated 13-Apr-13 3:29am

NotPolitcallyCorrect

v2

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Maciej Los 13-Apr-13 17:16pm

Did you try WebProxy.IsBypassed Method[^], which indicates whether to use the proxy server for the specified host.

WebProxy.BypassProxyOnLocal property[^] - gets or sets a value that indicates whether to bypass the proxy server for local addresses.
WebProxy.ByPassList property[^] - gets or sets an array of addresses that do not use the proxy server.

Member 9953644 13-Apr-13 21:34pm

no i did not, does this solve my problem

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Dave Kreskowiak · Answer 1 · 2013-04-13T17:15:00

Solution 1

The only reliable way to check to see if a proxy is functioning is to try and make a request through it.

You could do a TCP/IP Ping, but that'll only tell you if the network stack on the target server is running and functioning. It won't tell you anything about the proxy server running on that box.

Posted 13-Apr-13 17:15pm

Dave Kreskowiak

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Maciej Los 14-Apr-13 7:01am

+5

Immortal Genious · Answer 2 · 2013-04-14T23:02:00

Solution 2

This site may help :- www.proxynova.com/online-proxy-checker/[^]

Posted 14-Apr-13 23:02pm

Immortal Genious

Updated 14-Apr-13 23:03pm

v3