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 Helicon Tech : LinkFreeze
Subject Topic: Identify if Linkfreeze is installed (Topic Closed Topic Closed)
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SmiLie
Newbie


Joined: 05 April 2006
Location: United States
Posts: 4
Posted: 12 May 2008 at 11:17am  

Hello,

We used to run on a Linkfreeze version 1.0. We have a large website, and there are quite a few 302 and 301 redirects on it based on various logic. We had functions that identified whether Linkfreeze was installed or not (for development versus production), and based on that modify URL before it gets redirected.

The function used to check for HTTP_X_LINKFREEZE_LOG Server Variable, if it was present then Linkfreeze was installed.

We've upgraded to LF v.2.2 over the weekend, and a number of URLs are now not working because it seems to me that this  Server variable above has disappeared. Quite a few redirects got broken on our end.   Is this true?

How can we programmatically identify whether Linkfreeze is up and turned on?

Thank you
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Yaroslav
Admin Group


Joined: 15 August 2002
Posts: 6520
Posted: 13 May 2008 at 7:07am  

Now LinkFreeze sets this header only if Log Original URL function is enabled.

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Yaroslav Govorunov,
Helicon Tech
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SmiLie
Newbie


Joined: 05 April 2006
Location: United States
Posts: 4
Posted: 13 May 2008 at 10:48am  

Yaroslav,

So what does "Log original URL" mean? Does it mean it will create a log file of all URLs? or will it just put it into a HTTP_X_LINKFREEZE_LOG Server Variable, and that's all?

Thanks
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Yaroslav
Admin Group


Joined: 15 August 2002
Posts: 6520
Posted: 14 May 2008 at 5:54am  

It will log URLs in IIS log as they where originally requested (i.e. as they appear in HTTP_X_LINKFREEZE_LOG header) instead of dynamic format after LinkFreeze. BTW you can alter the logged URL by altering X-LINKFREEZE-LOG: HTTP header value within your ASP script.

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Yaroslav Govorunov,
Helicon Tech
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