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ISAPI_Rewrite 2.x
 Helicon Tech : ISAPI_Rewrite 2.x
Subject Topic: Trailing URL params messing up my rules Post ReplyPost New Topic
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fenrir
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Joined: 31 July 2011
Location: Australia
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Posted: 31 July 2011 at 10:35pm | IP Logged Quote fenrir
Have just started working for a company that using ISAPI_Rewrite2 extensively across 80+ websites and have found that there is an issue with URL params appended from eMarketing programs and google
adwords that causes 404 errors to be thrown.

The standard set of rules at the base of the httpd.ini in every site looks like this:

# Site-wide rules for 3 CMS page levels deep
RewriteRule /     /index.cfm     [I,U,L]
RewriteRule /([\w-]+)/     /index.cfm\?page=$1     [I,U,L]
RewriteRule /([\w-]+)/([\w-]+)/     /index.cfm\?page=$1\&subpage=$2     [I,U,L]
RewriteRule /([\w-]+)/([\w-]+)/([\w-]+)/     /index.cfm\?page=$1\&subpage=$2\&subsubpage=$3     [I,U,L]

This works without issue for each level of nesting, however once google appends params after the trailing "/" it will throw a 404.

ie www.domain.com.au/page1/page2/?g=122r23r2

I just want to ignore the any url params at any level of the directory structure if possible.

Any help would be greatly appreciated.

Cheers
Phil
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Anton
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Joined: 30 January 2007
Location: Ukraine
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Posts: 10520
Posted: 01 August 2011 at 12:56am | IP Logged Quote Anton
Please try to modify the config as follows:

RewriteRule /(?:\?g=.*)?     /index.cfm     [I,U,L]
RewriteRule /([\w-]+)/(?:\?g=.*)?     /index.cfm\?page=$1     [I,U,L]
RewriteRule /([\w-]+)/([\w-]+)/(?:\?g=.*)?     /index.cfm\?page=$1\&subpage=$2     [I,U,L]
RewriteRule /([\w-]+)/([\w-]+)/([\w-]+)/(?:\?g=.*)?     /index.cfm\?page=$1\&subpage=$2\&subsubpage=$3     [I,U,L]

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Regards,
Anton
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fenrir
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Joined: 31 July 2011
Location: Australia
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Posted: 01 August 2011 at 5:55am | IP Logged Quote fenrir
Brilliant thanks Anton!
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