Hi Axe..
Thank you for your help. I did check with LiveHTTPHeaders, i can see my Jpeg
image request header and the response is HTTP 200 and the content type is
image/jpeg. I still trying to figure out what's wrong with my web server.
I have another question. I post it in other thread but haven't got reply
yet. I do have more than 1 internal server in difference subnet, I try to
create a proxy server for my internal server. but the problem is my internal
web server ipaddress/hostname is passed through parameter.
for example:
- http://localhost/192.10.28.23/myOtherpath -- >
http://192.10.28.23/myOtherpath
- http://localhost/mysecondServer/myOtherpath -- >
http://mysecondServer/myOtherpath
I try to use mod_rewrite for this. this is my rewrite rule:
RewriteRule ^/(.*) http://$1 [P]
How do I write for the PorxyPassReverse?
I try this: " ProxyPassReverse / http:// " but it's not works.
basically the welcome page is a login page. Once successfully login,
redirect to another HTML. I am able to display the login page. but after
successfully login, this error message is display in the page
Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request POST /newPath/redirect.html.
Reason: DNS lookup failure for: newPath
Thank you very much.
Pdt
Axel-Stephane SMORGRAV-2 wrote:
>
> I would not know what is wrong with your configuration, but I would
> certainly start by examining a little more closely what is returned by the
> server.
>
> If you use Firefox you should look into LiveHTTPHeaders.
> If you use IE you should look into HTTPWatch.
>
> They both allow you to examine the interaction between browser and server,
> including request- and response headers, message body etc.
>
>
> -ascs
>
> -----Message d'origine-----
> De : pdt_p [mailto:pinlie@xxxxxxxxx]
> Envoyé : mardi 11 décembre 2007 14:09
> À : users@xxxxxxxxxxxxxxxx
> Objet : RE: Enquiry about Reserve Proxy
>
>
> Hi...
>
> there is no HTTP 404 return in my access log. From the log file, seems
> like thing works perfectly.
> but I relise that all jpeg images can't be rendered. I have check in the
> mime type config file, i can see there is mime type for jpeg (image/jpeg
> jpeg jpg). I am able to render all gif images.
> any idea what's wrong with my web server configuration?
>
> regards,
>
> Pdt
>
>
> Axel-Stephane SMORGRAV-2 wrote:
>>
>> The logs you sent show that every thing works perfectly. The access
>> log shows two requests both returning HTTP 200 OK. The debug log shows
>> that your RP connects to the content server and returns a body.
>>
>> Do you happen to have any entry in your access log indicating that a
>> HTTP
>> 404 "File not found" was returned? If not you will need to look for
>> the problem elsewhere.
>>
>>
>> -ascs
>>
>> -----Message d'origine-----
>> De : pdt_p [mailto:pinlie@xxxxxxxxx]
>> Envoyé : mardi 11 décembre 2007 04:29
>> À : users@xxxxxxxxxxxxxxxx
>> Objet : RE: Enquiry about Reserve Proxy
>>
>>
>> Hi...
>>
>> I have set "ProxyHTMLExtended On" but seems like the problem still occur.
>> I set LogLevel to debug and "ProxyHTMLLogVerbose On", the image that
>> my browser request is return HTTP code 200. this is the access log file:
>> 127.0.0.1 - - [11/Dec/2007:10:21:36 +1100] "GET / HTTP/1.1" 200 3026
>> 127.0.0.1 - - [11/Dec/2007:10:21:36 +1100] "GET /myLogo.jpg HTTP/1.1"
>> 200
>> 3265
>>
>> log in error log is
>> [Tue Dec 11 10:21:36 2007] [debug] proxy_util.c(1870): proxy: HTTP:
>> has released connection for (147.76.10.23) [Tue Dec 11 10:21:36 2007]
>> [debug] mod_proxy_http.c(54): proxy: HTTP:
>> canonicalising URL //147.76.10.23/nec_logo.jpg [Tue Dec 11 10:21:36
>> 2007] [debug] proxy_util.c(1412): [client 127.0.0.1]
>> proxy: http: found worker http://147.76.10.23/ for
>> http://147.76.10.23/nec_logo.jpg, referer: http://localhost/ [Tue Dec
>> 11 10:21:36 2007] [debug] mod_proxy.c(819): Running scheme http
>> handler (attempt 0) [Tue Dec 11 10:21:36 2007] [debug]
>> mod_proxy_http.c(1693): proxy: HTTP:
>> serving URL http://147.76.10.23/nec_logo.jpg [Tue Dec 11 10:21:36
>> 2007] [debug] proxy_util.c(1852): proxy: HTTP: has acquired connection
>> for (147.76.10.23) [Tue Dec 11 10:21:36 2007] [debug]
>> proxy_util.c(1913): proxy: connecting http://147.76.10.23/nec_logo.jpg
>> to 147.76.10.23:80 [Tue Dec 11 10:21:36 2007] [debug]
>> proxy_util.c(2012): proxy: connected /nec_logo.jpg to 147.76.10.23:80
>> [Tue Dec 11 10:21:36 2007] [debug] proxy_util.c(2169): proxy: HTTP:
>> fam 2 socket created to connect to 147.76.10.23 [Tue Dec 11 10:21:36
>> 2007] [debug] proxy_util.c(2266): proxy: HTTP:
>> connection complete to 147.76.10.23:80 (147.76.10.23) [Tue Dec 11
>> 10:21:36 2007] [debug] mod_proxy_http.c(1478): proxy: start body send
>> [Tue Dec 11 10:21:36 2007] [info] [client 127.0.0.1] Non-HTML content;
>> not inserting proxy-html filter, referer: http://localhost/ [Tue Dec
>> 11 10:21:36 2007] [debug] mod_proxy_http.c(1567): proxy: end body send
>> [Tue Dec 11 10:21:36 2007] [debug] proxy_util.c(1870): proxy: HTTP:
>> has released connection for (147.76.10.23)
>>
>> one thing that i relise, any gif images can be rendered properly but
>> not for jpeg image. any idea?
>>
>> Thank you
>>
>> Pdt
>>
>>
>>
>>
>>
>>
>>
>> Axel-Stephane SMORGRAV-2 wrote:
>>>
>>> AS far as I can tell from the looks of your configuration, you are
>>> pretty much on top of things.
>>>
>>> What you need to do is investigate the cause for the missing
>>> resources, for example by looking at the access- and errorlogs to
>>> see what URLs are requested that return a HTTP 404. There may be URLs
>>> that you expected to be rewritten by one of your ProxyHTMLURLMap
>>> rules but that were not. You may have to set "ProxyHTMLExtended On"
>>> for these links to be rewritten if they are included in for example
>>> JavaScript or CSS.
>>>
>>>
>>> -ascs
>>>
>>> -----Message d'origine-----
>>> De : pdt_p [mailto:pinlie@xxxxxxxxx] Envoyé : lundi 10 décembre 2007
>>> 13:37 À : users@xxxxxxxxxxxxxxxx Objet : Enquiry about
>>> Reserve Proxy
>>>
>>>
>>> Hi....
>>>
>>> I have setup a reserve proxy in my working environment.
>>> I use Apache 2.2.6 and mod_proxy_html 3.0.0. I run this on windows xp.
>>> I do have a webserver running on difference subnet. I try to put the
>>> reserve proxy for that webserver(the one on difference subnet).
>>> I have follow the tutorial in this website :
>>> http://www.apachetutor.org/admin/reverseproxies
>>> I am able to render the page through the proxy but some images and
>>> css is missing. seems like the path is not right.
>>> this is my setting:
>>>
>>>
>>> <IfModule mod_proxy.c>
>>> ProxyRequests Off
>>>
>>> <Proxy *>
>>> Order deny,allow
>>> Allow from all
>>> </Proxy>
>>> ProxyHTMLLogVerbose On
>>>
>>> ProxyPass / http://147.76.10.23/
>>> ProxyPass /sss/ http://147.76.10.23/ss/ ProxyPass /ssss/
>>> http://147.76.10.23/ss/ssss/
>>>
>>>
>>> ProxyHTMLURLMap http://147.76.10.23/ / ProxyHTMLURLMap
>>> http://147.76.10.23/ss /ss ProxyHTMLURLMap http://147.76.10.23/ssss
>>> /ssss
>>>
>>> <Location />
>>> ProxyPassReverse /
>>> SetOutputFilter proxy-html
>>> ProxyHTMLURLMap / /
>>> RequestHeader unset Accept-Encoding
>>> </Location>
>>> <Location /ss/>
>>> ProxyPassReverse /
>>> SetOutputFilter proxy-html
>>> ProxyHTMLURLMap / /ss/
>>> ProxyHTMLURLMap /ss /ss
>>> ProxyHTMLURLMap /ss/ /ss/
>>> RequestHeader unset Accept-Encoding
>>> </Location>
>>>
>>> <Location /ssss/>
>>> ProxyPassReverse /
>>> SetOutputFilter proxy-html
>>> ProxyHTMLURLMap / /ssss/
>>> ProxyHTMLURLMap /ssss /ssss
>>> ProxyHTMLURLMap /ssss/ /ssss
>>> RequestHeader unset Accept-Encoding
>>> </Location>
>>> </IfModule>
>>>
>>> * Any Idea why some images and css is missing and some is working
>>> properly (can be loaded as what I expected)? is there any settings
>>> that I miss?
>>> since the page that I request is containing a frame, is that any
>>> setting is required since some frame source is in the same level as
>>> root,ex:
>>> http://147.76.10.23/mysource1.html, and some source come from the
>>> lower level, ex: http://147.76.10.23/ss/mysecondsource.html?
>>>
>>> * The other issue is, when I request this page thrugh IE, The page
>>> can be rendered but If i request it thorugh FireFox, the HTML code is
>>> display.
>>> any
>>> idea?
>>>
>>> * If I modify :
>>> - "ProxyPass / http://147.76.10.23/"; to "ProxyPass /app1/
>>> http://147.76.10.23/";
>>> - "ProxyHTMLURLMap http://147.76.10.23/ /" to "ProxyHTMLURLMap
>>> http://147.76.10.23/ /app1"
>>> - " <Location />
>>> ProxyPassReverse /
>>> SetOutputFilter proxy-html
>>> ProxyHTMLURLMap / /
>>> RequestHeader unset Accept-Encoding
>>> </Location>
>>> " to "
>>> <Location /app1/>
>>> ProxyPassReverse /
>>> SetOutputFilter proxy-html
>>> ProxyHTMLURLMap / /app1/
>>> ProxyHTMLURLMap /app1 /app1
>>> RequestHeader unset Accept-Encoding
>>> </Location>
>>> "
>>> So when I request in the web browser the url change from
>>> http://hostname/ to http://hostname/app1/
>>> By doing this what is render in the web browser is all the css and
>>> image link is not found? any idea?
>>>
>>>
>>> Thank you very much in advance.
>>>
>>>
>>>
>>> Pdt
>>>
>>>
>>>
>>>
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Enquiry-about-Reserve-Proxy-tp14252046p14252046.html
>>> Sent from the Apache HTTP Server - Users mailing list archive at
>>> Nabble.com.
>>>
>>>
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>>
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>
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