Did you read about the via-patch? The address is http://www.zope.org/Members/unfo/apache_zserver_ssl. HTH Raganr

Last week I was setting up an Apache VirtualHost to point to a Zope object tree using the ProxyPass directive and SiteAccess to get all the urls right (great stuff!).

However, I noticed that the REMOTE_ADDR was always set to the proxy host. This makes sense because Zope just gets the host/port from the socket connection. But I needed the real remote_addr for logging and user admin. Adding 'Header's wouldn't pass the info to Zope.

The Zope mail archives mentioned the problem a couple of times without a configuration fix.

A simple fix to the proxy module (in proxy_http.c) will create a new header called 'Original-Addr' to contain the client's ip address.

Here is a context diff against Apache 1.3.14 that should work even in the new 2.0 servers:

*************** *** 397,402 **** --- 397,404 ---- ap_bvputs(f, reqhdrs[i].key, ": ", reqhdrs[i].val, CRLF, NULL); }

+ ap_bvputs(f, "Original-Addr: ", r->connection->remote_ip, CRLF, NULL); + ap_bputs(CRLF, f); /* send the request data, if any. */

When the request was proxied, the Zope REQUEST will now have a key 'HTTP_ORIGINAL_ADDR' containing the client address.

This key is also now a good indication that the http request went to the VirtualHost address.

I then made a small change to SiteRoot.py to turn off the url mapping if HTTP_ORIGINAL_ADDR is present. This is a context diff against the SiteRoot.py file shipped with Zope 2.3.0:

*************** *** 108,113 **** --- 108,116 ---- if '_SUPPRESS_SITEROOT' in _swallow(request): request.setVirtualRoot(request.steps) return + # only run if passed through ProxyPass + t = request.environ.get('HTTP_ORIGINAL_ADDR',None) + if t == None : return srd = [None, None] for i in (0, 1): srp = ('SiteRootBASE', 'SiteRootPATH')[i]

These two patches have worked well and solved several problems. I hope others will find them useful.

--Bill Noon Northeast Regional Climate Center Cornell University

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