[1.9.x] Refs #23960 -- Documented how to restore absolute redirect URLs.

Backport of 08b8c4697112e8dae90e72afc7d85bd31ead0410 from master

1 files changed, 10 insertions, 0 deletions

diff --git a/docs/releases/1.9.txt b/docs/releases/1.9.txt
index 19f7795fc4..12d3c67d32 100644
--- a/docs/releases/1.9.txt
+++ b/docs/releases/1.9.txt
@@ -792,6 +792,16 @@ no longer include the scheme and domain part of the URLs. For example,
 replaced by ``self.assertRedirects(response, '/some-url/')`` (unless the
 redirection specifically contained an absolute URL, of course).
 
+In the rare case that you need the old behavior (discovered with an ancient
+version of Apache with ``mod_scgi`` that interprets a relative redirect as an
+"internal redirect", you can restore it by writing a custom middleware::
+
+    class LocationHeaderFix(object):
+        def process_response(self, request, response):
+            if 'Location' in response:
+                response['Location'] = request.build_absolute_uri(response['Location'])
+            return response
+
 Dropped support for PostgreSQL 9.0
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