Unluckly I should manage UTF8 characters in hte URI, more exactly in the query string. All requests pass through an apache 2.2.x mod_proxy. Request correctly made by Firefox 10.10.10.10 - 27/10/2011 12:23:49 CEST 4FF6BE8CC0EF4B9505FEEA75FC85954C HTTP/1.1 GET 7 /path1/path2/detail.act ?find=136867&dir=/path1/cms/PATH1/AT2/ARG1/TREE2/&title=Bond%20for%20the%20billing%20ofthe%20attivit%C3%A0%20educationals%20for%20the%20development%20ofthe%20abilities%20(a.s.%202011/2012) 200 39047 "http://www.example.com/path1/cms/PATH1/AT2/ARG1/TREE2/"; "Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1" 566035 + 786 39366 The incorrect request made by Internet Explorer 10.10.10.10 - 27/10/2011 12:19:01 CEST D93DE76B886AD3A8A416671EA908BA58 HTTP/1.1 GET 0 /path1/path2/detail.act ?find=136867&dir=/path1/cms/PATH1/AT2/ARG1/TREE2/&title=Bond%20for%20the%20billing%20ofthe%20attivit\xc3\xa0%20educationals%20for%20the%20development%20ofthe%20abilities%20(a.s.%202011/2012) 502 538 "http://www.example.com/path1/cms/PATH1/AT2/ARG1/TREE2/;jsessionid=D93DE76B886AD3A8A416671AA908BA58"; "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)" 2222 + 1019 726 The problem is the word attività: Firefox correctly passes it as attivit%C3%A0 IE incorrectly passes it as attivit\xc3\xa0 Fro explorer You receive the HTTP 502 error: " Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /path1/path2/detail.act Reason: Error reading from remote server " As a workaround using the "Turn off sending URLs as UTF-8" option in IE the request is made correctly. How I solve it without using the IE workaround? This is rhe rev.proxy cfg: ... ProxyPreserveHost On ProxyPass /path1/ http://10.20.30.40/path1/ ProxyPassReverse /path1/ http://10.20.30.40/path1/ RewriteRule ^/path1$ /path1/ [R] ... Regards Michele MAsè --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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