 Topic: Bug adding backslash at the end
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SmiLie
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Joined: 05 April 2006
Location: United States
Online Status: Offline
Posts: 4
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| Posted: 10 May 2008 at 7:08pm | IP Logged
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Hi guys,
I was running old version 1.0 for a while, until we found an interesting bug today. That made us upgrade to 2.2 or whatever the latest version is, yet bug still present.
We are using schema that rewrites everything to "-", i.e. for instance URL
http://www.somesite.com/page.asp?param1=123
is rewritten into
http://www.somesite.com/page.asp-param1-123
Today we found that if you add a backslash to the end of the URL, or anything that contains a backslash - like this:
http://www.somesite.com/page.asp-param1-123/
or http://www.somesite.com/page.asp-param1-123/otherpage.asp
the pages will go into an infinite loop.
A problem:
1) anyone with a bit of knowledge wanting to bring a site down can build a bunch of invalid URLs and keep requesting them
2) this is what we had - a badly written bot combined with our own bug - we have a lot of invalid URLs listed in a major SE. We got rid of most, but a few remain, and make this bot that WE REALLY NEED  go nuts and not like us anymore.
Question of the day - how this can be fixed?
P.S. mozho po-russki
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Yaroslav
Moderator Group
Joined: 15 August 2002
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Posts: 6466
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| Posted: 12 May 2008 at 9:34am | IP Logged
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Please send your LinkFreeze configuration and link to your web site privately to support@helicontech.com
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Yaroslav Govorunov,
Helicon Tech
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SmiLie
Newbie
Joined: 05 April 2006
Location: United States
Online Status: Offline
Posts: 4
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| Posted: 12 May 2008 at 11:19am | IP Logged
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Yaroslav,
It was a combination of Linkfreeze and bad logic on our end. But I will send you several scenarios anyway, because it is interesting.
Regards,
A l e x
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Yaroslav
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Joined: 15 August 2002
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Posts: 6466
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| Posted: 13 May 2008 at 7:00am | IP Logged
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I already figured out how this could be happening. No actions from LinkFreeze side is required, in fact it is by design.
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Yaroslav Govorunov,
Helicon Tech
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