[Pidgin] #2910: NTLM proxy authorization broken

[Pidgin]

#2910: NTLM proxy authorization broken
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  Reporter:  thecrux    |       Owner:       
      Type:  patch      |      Status:  new  
  Priority:  minor      |   Milestone:  2.2.0
 Component:  libpurple  |     Version:  2.1.1
Resolution:             |    Keywords:  ntlm 
   Pending:  0          |  
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Comment (by datallah):

 I'm not the most knowledgeable about proxy stuff, but RFC 2617 Section 1.2
 states:
   A client that wishes to authenticate itself with a proxy--usually, but
 not necessarily, after receiving a 407 (Proxy Authentication
 Required)--MAY do so by including a Proxy-Authorization header field with
 the request.

 To me, this means that it is acceptable to include the Proxy-Authorization
 headers at the time libpurple does.  It isn't clear whether or not it is
 acceptable to include multiple Proxy-Authorization headers.

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Ticket URL: <http://developer.pidgin.im/ticket/2910#comment:4>
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