hi,

thought i'd help give input when i can.  if you are using the 'ms' version
of 'socks' - please note that a real socks service is a proxy within itself.
also the version of socks is only 4.3 and all socksified applications must
only be at this version level.  now the standard is socks version 5; check
socks5.nec.com or socks.nec.com.  they wrote that standard (i think!) and
you'll get the real deal on socks proxy services.....



|  Date: Fri, 28 Apr 2000 10:55:17 -0400
|  From: NB Keenan <[EMAIL PROTECTED]>
|  Subject: Re: (HELP!)how to communicate with socket through proxy? 
|  
|  It depends upon the proxy.  It may not be possible if the administrator
of 
|  the proxy has taken steps to prevent it.
|  
|  Here is what I would do to write a general purpose application (on a 
|  Windows computer):  Look in the registry, and see what the default
browser 
|  is.  Then look at the browser settings.  The browser is going to be 
|  configured one of three ways:  no proxy, SOCKS proxy, or HTTP proxy.  If
it 
|  is set for no proxy, you can connect directly (on the HTTP port if port 
|  blocking is in effect).  If it is set for a SOCKS proxy, you will be able

|  to get through -- read the settings for the SOCKS proxy from the browser 
|  settings, and use them to communicate using the SOCKS protocol. (The
SOCKS 
|  protocol is very simple to implement -- do a web search.)  If the browser

|  is using an HTTP proxy, you will have to encapsulate your traffic in 
|  HTTP.  However, this may not work -- HTTP proxies often check the traffic

|  to make sure that it is valid HTTP.
|  
|  You should get a free proxy server that supports both SOCKS and HTTP 
|  (WinGate comes to mind) to help you develop this.  Note that this
strategy 
|  assumes that the browser is configured properly.
|  
|  Don't do this if you want the cooperation of network administrators. 
They 
|  generally frown upon people who use ports for other than their stated
purpose.
|  
|  At 01:00 PM 4/28/00 +0800, you wrote:
|  >I write a client/server program ,the client and server communicate with 
|  >winsocket,but if the client connect to internet through proxy ,the
client 
|  >can not connect to the server.How can I do ?
|  >
|  >yhq
|  >2000/4/27
|  >
|  >
|  
|  
|  - -
|  [To unsubscribe, send mail to [EMAIL PROTECTED] with
|  "unsubscribe firewalls" in the body of the message.]
|  
|  ------------------------------
|  





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