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	<title>Comments on: David Berlind, here is the dark side of URL shortening services</title>
	<link>http://www.makeyougohmm.com/20061203/4006/</link>
	<description>Technology, music, video, art, news, reviews and muse on the web</description>
	<pubDate>Thu, 04 Dec 2008 23:55:51 +0000</pubDate>
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		<title>By: miles</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-667703</link>
		<author>miles</author>
		<pubDate>Mon, 19 Nov 2007 19:50:27 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-667703</guid>
		<description>Might then try adding spamhaus to the lookup list; and think about banning IP addresses period -- seems like very very few reasons to link directly to IP.  Btw, it's trivial for the bad guys to use server rewrite rules to make any random #s/words/characters yield the same page..</description>
		<content:encoded><![CDATA[<p>Might then try adding spamhaus to the lookup list; and think about banning IP addresses period &#8212; seems like very very few reasons to link directly to IP.  Btw, it&#8217;s trivial for the bad guys to use server rewrite rules to make any random #s/words/characters yield the same page..</p>
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		<title>By: Kosso</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-667688</link>
		<author>Kosso</author>
		<pubDate>Mon, 19 Nov 2007 19:43:55 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-667688</guid>
		<description>miles: they were ip based urls all pointing to some (now) broken page (on 'FastBox'? I think it said) 

I try to avoid dupes in the url database by looking it up first.  It looks like this user had used my simple REST API and simply added a random number to the end of each request. Cunning little swines! :)

If I could be bothered, I'd have the system go and grab the head of the page too and make some kind of comparison too. 


S'funny - I just saw also that someone had used urlb.at to shorten a tinyurl.com url. hehehe. some people, eh? :))</description>
		<content:encoded><![CDATA[<p>miles: they were ip based urls all pointing to some (now) broken page (on &#8216;FastBox&#8217;? I think it said) </p>
<p>I try to avoid dupes in the url database by looking it up first.  It looks like this user had used my simple REST API and simply added a random number to the end of each request. Cunning little swines! <img src='http://www.makeyougohmm.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
<p>If I could be bothered, I&#8217;d have the system go and grab the head of the page too and make some kind of comparison too. </p>
<p>S&#8217;funny - I just saw also that someone had used urlb.at to shorten a tinyurl.com url. hehehe. some people, eh? :))</p>
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		<title>By: miles</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-667678</link>
		<author>miles</author>
		<pubDate>Mon, 19 Nov 2007 19:35:34 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-667678</guid>
		<description>Kosso: What percent of those 3000 were listed on Surbl? URIBl? (and why not just use/publish to them instead of trying to rebuild one?)</description>
		<content:encoded><![CDATA[<p>Kosso: What percent of those 3000 were listed on Surbl? URIBl? (and why not just use/publish to them instead of trying to rebuild one?)</p>
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		<title>By: TDavid</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-667674</link>
		<author>TDavid</author>
		<pubDate>Mon, 19 Nov 2007 19:33:00 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-667674</guid>
		<description>Haven't bought domains outside of .com and .net. And with .com we have several five digit dot coms, Kosso. The counter is a good thing, I'm using that for metrics. Dual purpose! :)</description>
		<content:encoded><![CDATA[<p>Haven&#8217;t bought domains outside of .com and .net. And with .com we have several five digit dot coms, Kosso. The counter is a good thing, I&#8217;m using that for metrics. Dual purpose! <img src='http://www.makeyougohmm.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /></p>
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		<title>By: Kosso</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-667663</link>
		<author>Kosso</author>
		<pubDate>Mon, 19 Nov 2007 19:24:28 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-667663</guid>
		<description>I have my own url shortening system too (http://urlb.at) which also counts actual hits to the shhorter url.  I did for my own sake, after getting an idea to give it a go.

Today I removed over 3000 links from it which were clearly spam - the url was easy to spot. 

Maybe I'll give some thought on how to create a kind of 'Akismet' like 'blacklist' to help stop these even getting submitted into the database.

I think that approach could be interesting for all of us who build these things ;)

cheers!
Kosso

ps: what's the shortest url/domain you own? Mine is shw.ag ;)</description>
		<content:encoded><![CDATA[<p>I have my own url shortening system too (http://urlb.at) which also counts actual hits to the shhorter url.  I did for my own sake, after getting an idea to give it a go.</p>
<p>Today I removed over 3000 links from it which were clearly spam - the url was easy to spot. </p>
<p>Maybe I&#8217;ll give some thought on how to create a kind of &#8216;Akismet&#8217; like &#8216;blacklist&#8217; to help stop these even getting submitted into the database.</p>
<p>I think that approach could be interesting for all of us who build these things <img src='http://www.makeyougohmm.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
<p>cheers!<br />
Kosso</p>
<p>ps: what&#8217;s the shortest url/domain you own? Mine is shw.ag <img src='http://www.makeyougohmm.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /></p>
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		<title>By: Mike</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-667583</link>
		<author>Mike</author>
		<pubDate>Mon, 19 Nov 2007 18:06:36 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-667583</guid>
		<description>One solution would be to have some kind of keyword filtering for submitted URLs. Many of the spammer's URLs contain the name of a drug or some disgusting act, so they could simply reject any URL containing a banned word before it even enters the system. For other URLs that pass, it could use some kind of blacklist and periodically remove any undesirable links.</description>
		<content:encoded><![CDATA[<p>One solution would be to have some kind of keyword filtering for submitted URLs. Many of the spammer&#8217;s URLs contain the name of a drug or some disgusting act, so they could simply reject any URL containing a banned word before it even enters the system. For other URLs that pass, it could use some kind of blacklist and periodically remove any undesirable links.</p>
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		<title>By: Rino</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-594067</link>
		<author>Rino</author>
		<pubDate>Tue, 12 Jun 2007 17:41:20 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-594067</guid>
		<description>I decided to start off my own url shortening after finding that many have lacks features like path forwarding, masking and also their domains was not short enough... Well, think most ppls wants to shorten their url as shortest as possible right.</description>
		<content:encoded><![CDATA[<p>I decided to start off my own url shortening after finding that many have lacks features like path forwarding, masking and also their domains was not short enough&#8230; Well, think most ppls wants to shorten their url as shortest as possible right.</p>
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		<title>By: TDavid</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-462902</link>
		<author>TDavid</author>
		<pubDate>Sat, 17 Mar 2007 16:26:11 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-462902</guid>
		<description>Christy - tdurl.com is run off my own custom code, another reader informed me that there is a PHP-based script out there called phurl that will allow you to run a URL shortening service for yourself which you can find here: http://www.hido.net/projects/phurl/</description>
		<content:encoded><![CDATA[<p>Christy - tdurl.com is run off my own custom code, another reader informed me that there is a PHP-based script out there called phurl that will allow you to run a URL shortening service for yourself which you can find here: <a href="http://www.hido.net/projects/phurl/">http://www.hido.net/projects/phurl/</a></p>
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		<title>By: Christy</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-462424</link>
		<author>Christy</author>
		<pubDate>Sat, 17 Mar 2007 14:03:41 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-462424</guid>
		<description>&lt;blockquote&gt;IMO, I still believe every company with multiple websites should have their own URL shortening service rather than use any third party service (including mine).&lt;/blockquote&gt;

You are 100% right!  I know nothing about programming but figured out a workaround a few years ago by using subdomains

psk.funDiva.com
funDiva.blogspot.com/2005/08/princess-samantha-kitten-and-notorious.html

But trying to explain HOW to use subdomains for my computer challenged friends proved way too hard and thats if their registrar even offered subdomains.

And I always liked the look of funDiva.com/psk better

I can accomplish this with cpanel easy but I would LOVE to know how to set this up on a web page for my friends. I have no interest in making it a public service, just an easy way for them to use their own shortened domain redirects.

Your radio show on the subject was never archived, anyplace else I can get the info?

Thanks in advance,
Christy</description>
		<content:encoded><![CDATA[<blockquote><p>IMO, I still believe every company with multiple websites should have their own URL shortening service rather than use any third party service (including mine).</p></blockquote>
<p>You are 100% right!  I know nothing about programming but figured out a workaround a few years ago by using subdomains</p>
<p>psk.funDiva.com<br />
funDiva.blogspot.com/2005/08/princess-samantha-kitten-and-notorious.html</p>
<p>But trying to explain HOW to use subdomains for my computer challenged friends proved way too hard and thats if their registrar even offered subdomains.</p>
<p>And I always liked the look of funDiva.com/psk better</p>
<p>I can accomplish this with cpanel easy but I would LOVE to know how to set this up on a web page for my friends. I have no interest in making it a public service, just an easy way for them to use their own shortened domain redirects.</p>
<p>Your radio show on the subject was never archived, anyplace else I can get the info?</p>
<p>Thanks in advance,<br />
Christy</p>
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		<title>By: Jake</title>
		<link>http://www.makeyougohmm.com/20061203/4006/#comment-378122</link>
		<author>Jake</author>
		<pubDate>Tue, 02 Jan 2007 18:57:18 +0000</pubDate>
		<guid>http://www.makeyougohmm.com/20061203/4006/#comment-378122</guid>
		<description>Wow, thanks for a quick response!

I understand about the issues of association, and I think I\'m prepared to address that.  

I am, however, very interested in a comment like:

&lt;blockquote&gt;Obviously the links aren’t yours but anybody who runs a service that is open to the public has legal responsibilities.&lt;/blockquote&gt;

What sort of legal responsibilities are you aware of regarding the use of public systems?  Are you discussing US law, or another country?  It is not as if we\'re providing physical facilities, subject to building code or some such.

Are you honestly aware of legal obligations regarding this sort of service?

I mean, I understand that there are issues.  If I was not able to afford much bandwidth I would not have appreciated the extra 12,000 or so hits to the redirector from the one spammer I\'ve had so far.  

I\'ve already noticed that since my redirectors correctly give 301 codes on redirect, the only backlinks or SE results I get are for incorrectly formed links, and mostly obvious spam links.  The valid links pass all reference, page rank, and SE queries on to the target page.  This makes for a bit of marginal publicity, at best.

I may look into implementing SURBL functionality, if the traffic gets to be a problem.  Admins who block URL shorteners have their own reasons, and make their own decisions regarding what they allow on their site.  

But the worst problem so far comes from a knee-jerk user reaction.  He sent a mail to the abuse addresses at the site, my registrar, and my hosting service which appeared to be accusing me of spamming his blog.  Since the redirector cannot create spam or post to a blog, it is a good thing I have an intelligent hosting provider.

In fact, what I have learned about SURBL lists today will get mentioned on my page at robertalansoloway.com at the next update!

Thanks again for the feedback, too.  Are there other methods you can recommend besides the SURBL for checking such things without user input?  I\'m REALLY interested in a phishing URL check.</description>
		<content:encoded><![CDATA[<p>Wow, thanks for a quick response!</p>
<p>I understand about the issues of association, and I think I\&#8217;m prepared to address that.  </p>
<p>I am, however, very interested in a comment like:</p>
<blockquote><p>Obviously the links aren’t yours but anybody who runs a service that is open to the public has legal responsibilities.</p></blockquote>
<p>What sort of legal responsibilities are you aware of regarding the use of public systems?  Are you discussing US law, or another country?  It is not as if we\&#8217;re providing physical facilities, subject to building code or some such.</p>
<p>Are you honestly aware of legal obligations regarding this sort of service?</p>
<p>I mean, I understand that there are issues.  If I was not able to afford much bandwidth I would not have appreciated the extra 12,000 or so hits to the redirector from the one spammer I\&#8217;ve had so far.  </p>
<p>I\&#8217;ve already noticed that since my redirectors correctly give 301 codes on redirect, the only backlinks or SE results I get are for incorrectly formed links, and mostly obvious spam links.  The valid links pass all reference, page rank, and SE queries on to the target page.  This makes for a bit of marginal publicity, at best.</p>
<p>I may look into implementing SURBL functionality, if the traffic gets to be a problem.  Admins who block URL shorteners have their own reasons, and make their own decisions regarding what they allow on their site.  </p>
<p>But the worst problem so far comes from a knee-jerk user reaction.  He sent a mail to the abuse addresses at the site, my registrar, and my hosting service which appeared to be accusing me of spamming his blog.  Since the redirector cannot create spam or post to a blog, it is a good thing I have an intelligent hosting provider.</p>
<p>In fact, what I have learned about SURBL lists today will get mentioned on my page at robertalansoloway.com at the next update!</p>
<p>Thanks again for the feedback, too.  Are there other methods you can recommend besides the SURBL for checking such things without user input?  I\&#8217;m REALLY interested in a phishing URL check.</p>
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