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From "Vaux, John" <>
Subject RE: Proxy settings in SVN
Date Fri, 12 Sep 2014 14:51:35 GMT
	Absolutely, I should have included that in my original email.  I've downloaded the latest
available specifically for my testing environment so svn --version does indeed come back with

John Vaux
Enterprise Infrastructure Architect
Information Technology Services
Phoenix Children's Hospital
Office: 602-933-2592
Mobile: 602-501-3052

-----Original Message-----
From: Johan Corveleyn [] 
Sent: Friday, September 12, 2014 2:10 AM
To: Vaux, John
Subject: Re: Proxy settings in SVN

On Thu, Sep 11, 2014 at 11:03 PM, Vaux, John <> wrote:
> Hello all,
>                 It’s my first time posting to this list and I am not 
> subscribed so please CC me on any replies.
>                 I’m having difficulty with the proxy settings in 
> Windows version of svn (I’m using the WANdisco compiled version).  It 
> seems as though no matter what I put in the 
> appdata\roaming\subversion\servers file the settings are ignored and 
> the svn is defaulting to the windows control panel settings.  This 
> would be fine but we utilize a proxy.pac autoconfigure and require 
> proxy authentication.  Between those two settings for whatever reason 
> svn seems to be unable to deal with the proxy’s request for 
> authentication.  I’ve tcpdumped the connection information from the proxy itself and
it looks like svn just isn’t answering.
> The basic gist of the stream goes like this:
> Source                  Dest                       Protocol
> Length                  Message
> clientIP                 proxyIP                HTTP
> 121                         CONNECT www.svnrepository.tld:443 HTTP/1.1
> proxyIP                clientIP                 HTTP
> 236                         HTTP/1.1 407 authenticationrequired  (text/html)
> clientIP                 proxyIP                HTTP
> 217                         CONNECT www.svnrepository.tld:443 HTTP/1.1 ,
> proxyIP                clientIP                 HTTP
> 252                         HTTP/1.1 407 authenticationrequired ,
> And then silence.  The app correctly interprets the first 407 and 
> tries connecting again but this time with an NTLMSSP_NEGOTIATE but 
> when the proxy comes back with a CHALLENGE svn never responds with 
> credentials.  I worked with my proxy vendor and we tried to find ways 
> around it but short of turning off authentication they are chalking it 
> up to a bug in the HTTP client implementation.  Any help would be much appreciated.

Hello John,

It's indeed possible that this is related to a problem in de http client implementation inside
svn (i.e. the serf library which takes care of the http communication). Can you show us the
output of 'svn --version', so we know the exact version of svn (and version of serf that is

If it's not the latest version (1.8.10 if I'm not mistaken), you might want to try upgrading
your client and see if that helps already. There were some subtle http communication bugs
fixed in recent 1.8.x releases.


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