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ISAPI_Rewrite 2.x
 Helicon Tech : ISAPI_Rewrite 2.x
Subject Topic: ISAPI REWRITE not working, need help Post ReplyPost New Topic
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rbraat
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Posted: 14 February 2011 at 3:32am | IP Logged Quote rbraat

Hi,

I need a solution to rewite every URL with HTTPS in it to HTTP. I found ISAPI REWRITE could do the trick. So I installed isapi_rwl_x86_0077.msi and loaded the ISAPI_Rewrite.dll as an ISAPI filter in IIS6 (running on Windows Server 2003). It shows a green arrow. I put the lines

RewriteCond  %HTTPS (?!off).*
RewriteCond Host: (.*)
RewriteRule (.*) http\://$1$2 [I,RP]

In httpd.ini (read access to the IUSR_servername-account) but I notice no rewriting.
In the FAQ (http://www.helicontech.com/forum/10648-FAQ.html) I saw I can put the line

RewriteRule .? - [F]

in httpd to test. When I do so, I don't get a 403, but a 404. The FAQ says: something is wrong and we are waiting for your post on our forum. So here I am. Can anyone help me?

Kindest regards, Rini
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Anton
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Posted: 14 February 2011 at 7:38am | IP Logged Quote Anton
Hello, Rini

Everything you did looks correct, but I have a couple of concerns:

- have you installed ISAPI_Rewrite automatically and then registered the dll on site level?
The thing is that upon automatic installation, ISAPI_Rewrite registers itself globally (on server level) and there's no need to do any
additional registrations.

- As far as I understand, you have installed ISAPI_Rewrite v2, and the testing rule you found refers to v3, that's why it didn't work.
To test functionality in v2, you can use the following rule:

RewriteRule .* http\://www.google.com [RP]

Make the request to any page on your site. If you get to the Google page, ISAPI_Rewrite is working, if not, then we'll continue
investigating.

- also if you are on v2, do you have [ISAPI_Rewrite] line on top of config?

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rbraat
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Posted: 14 February 2011 at 8:39am | IP Logged Quote rbraat
Hi Anton,

Thanks for your help.
I deinstalled ISAPI_rewrite and installed it again with default options. I see it's registered at server level. I didn't do any additional registration.
I've put "RewriteRule .* http\://www.google.com [RP]" in the ini-file and this works! great.

But now I want to rewrite every URL with HTTPS to HTTP. I used these lines:
===
RewriteCond %HTTPS (?!off).*
RewriteCond Host: (.*)
RewriteRule (.*) http\://$1$2 [I,RP]
===
But that doesn't do anything.
Can you tell me what's wrong?

Can you also tell me what's the dirrerence between V2 and V3? Which should I use?

regards, Rini
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Anton
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Posted: 14 February 2011 at 8:56am | IP Logged Quote Anton
Please have a look at httpd.parse.errors file which is located in ISAPI_Rewrite installation folder.
If there are any messages, please show them.
Also please tell whether you put the rules into the httpd.ini in the installation folder.
And show the testing request you try.

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rbraat
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Posted: 14 February 2011 at 3:28pm | IP Logged Quote rbraat

Hi Anton,

I've set the permission so that httpd.parse.errors could be created. But nothing appears in the log. So I've put some nonsense in the httpd.ini-file and then the logfiles tells me: "Unrecognized string "abc" at line 2". So logging is working.

I've put the lines ...

RewriteCond %HTTPS (?!off).*
RewriteCond Host: (.*)
RewriteRule (.*) http\://$1$2 [I,RP] 

... back, just beneath [ISAPI_Rewrite], but when I go to my site and enter just any URL, no errors appear.
I entered the url https://www.mysite.com which should be switched to http://www.mysite.com

First, the file httpd.ini was in the installation folder. After that, I moved the file to the root of my site. Everything is the same, no errors, not working.

Hope you can figure this out?

Kindest regards, Rini
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Anton
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Posted: 15 February 2011 at 2:50am | IP Logged Quote Anton
As far as I see, you have installed Lite version of ISAPI_Rewrite, right?
If yes, then you must know that Lite version supports server config (in installation folder) only. Per-site configs are available in Full
version.
So please try to put it back into global httpd.ini and retry.
If it's still not working, please uninstall and install Lite version of ISAPI_Rewrite 3.
Put the following lines into the global httpd.conf:

RewriteEngine On
RewriteBase /
RewriteCond %{HTTPS} (?!off).*
RewriteRule (.*) http\://%{HTTP_HOST}/$1 [R=301,L]

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rbraat
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Posted: 15 February 2011 at 6:37am | IP Logged Quote rbraat

Hi Anton,

That's right, I use the light version. It's no problem to buy the full version, but I will only do so if the product works for me.

I'be put httpd.ini back in the global directory, no change.

I deinstalled and installed ISAPI_Rewrite 3. I checked and the filter is installed and has a green arrow. My site loads normally.

I've put the lines

RewriteEngine On
RewriteBase /
RewriteCond %{HTTPS} (?!off).*
RewriteRule (.*) http\://%{HTTP_HOST}/$1 [R=301,L]

in httpd.conf. Now my site won't load anymore. In the statusbar below I see a very rapid changing text. As far as I can see it shows something as "Website found, one moment please ..." which changes to "Redirection found <and here a part of my sitename>". I can't read it clearly because it changes about 100 times a second ...

Obvious, this is not working. Hope you can help again ...

regards, Rini
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rbraat
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Posted: 15 February 2011 at 6:39am | IP Logged Quote rbraat

Addition to my looping site: the errorlog shows only this line:

[2/15/2011 13:25:27] ISAPI Filter loaded. Version 3.1.0.79. Windows 5.2 (Build 3790 ServicePack:2) ProductType SERVER. CPU type INTEL  NumberOfProcessors 1.

Nothing more.
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Anton
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Posted: 16 February 2011 at 3:51am | IP Logged Quote Anton
Let's try it the following way in v3:

RewriteCond %{HTTPS} on
RewriteRule .? http://%{HTTP_HOST}%{REQUEST_URI} [R,L]

If it still doesn't work, please enable logging by putting

RewriteLogLevel 9

into the httpd.conf. Then make the request again and check the rewrite.log file in the installation folder.

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rbraat
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Posted: 16 February 2011 at 4:06am | IP Logged Quote rbraat

Hi Anton,

Still no success. I've put the lines

RewriteLogLevel 9
RewriteCond %{HTTPS} on
RewriteRule .? http://%{HTTP_HOST}%{REQUEST_URI} [R,L]

in httpd.conf. On my site I've enered the URL:

https://academy.open-groupe.nl

This shows up in Rewrite.log:

192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:21 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (2) init rewrite engine with requested uri /
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:21 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (1) Htaccess process request C:\Program Files\Helicon\ISAPI_Rewrite3\httpd.conf
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:21 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (3) applying pattern '.?' to uri '/'
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:21 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (4) RewriteCond: input='off' pattern='on' => not-matched
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603096/initial] (2) init rewrite engine with requested uri /modules/mod_latestdiscussion/style.css
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603096/initial] (1) Htaccess process request C:\Program Files\Helicon\ISAPI_Rewrite3\httpd.conf
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603096/initial] (3) applying pattern '.?' to uri '/modules/mod_latestdiscussion/style.css'
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603096/initial] (4) RewriteCond: input='off' pattern='on' => not-matched
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (2) init rewrite engine with requested uri /index.php?option=com_jbolo&view=js&format=raw
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (1) Htaccess process request C:\Program Files\Helicon\ISAPI_Rewrite3\httpd.conf
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (3) applying pattern '.?' to uri '/index.php'
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (4) RewriteCond: input='off' pattern='on' => not-matched
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603096/initial] (2) init rewrite engine with requested uri /://0
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603096/initial] (1) Htaccess process request C:\Program Files\Helicon\ISAPI_Rewrite3\httpd.conf
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603096/initial] (3) applying pattern '.?' to uri '/://0'
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603096/initial] (4) RewriteCond: input='off' pattern='on' => not-matched
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (2) init rewrite engine with requested uri /templates/ja_purity/images/header/header7.jpg
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (1) Htaccess process request C:\Program Files\Helicon\ISAPI_Rewrite3\httpd.conf
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (3) applying pattern '.?' to uri '/templates/ja_purity/images/header/header7.jpg'
192.168.1.17 192.168.1.17  Wed, 16-Feb-2011  11:04:22 GMT [academy.open-groupe.nl/sid#354523174][rid#19603392/initial] (4) RewriteCond: input='off' pattern='on' => not-matched
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Anton
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Posted: 16 February 2011 at 8:17am | IP Logged Quote Anton
That's rather weird.
The request comes to ISAPI_Rewrite as http...
Please tell whether you have any other ISAPI filters registered.
Maybe you have have both ISAPI_Rewrite 2 and 3 installed at a time?
If it's none of the above, I guess we should have a meeting or remote access to your server to check.

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rbraat
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Posted: 16 February 2011 at 8:51am | IP Logged Quote rbraat

Hi Anton,

I have no other filters installed.

I would like to welcome you to my server if you think you can fix this. I realy need a solution, because after logging in, the site switches to https and some joomla modules on it don't function with https.

I use the joomla login module to only send the form with name and password over https, so it's possitble to access the site in http, type in your credentials (this form is sent over https) and after logghing in, the site should remain in http (which it doesn't). I can't solve the problem that the site switched to https, seems like a lot of people are having this problem, so the only solution is to have a rewriter to force it back to http.

Can I PM or e-mail you some info so you can have access?

Regards
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Anton
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Posted: 17 February 2011 at 1:29am | IP Logged Quote Anton
Yes, sure. Please email me the access details to support@helicontech.com and put the reference to this forum post somewhere in the message.

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rbraat
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Posted: 17 February 2011 at 5:02am | IP Logged Quote rbraat
I've done so ...
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