Blocking comment spam postbacks

30. April 2011 12:37

 

I was previously trying to prevent comment spam by blocking access by ip address. However it does appear that this really isn't very suitable. The amount of comment spam did drop from around 500-600 items per day to around 40 - 60. So it just is not effective enough and you also run the risk of blocking valid users from accessing the content on the site.

 

I have now come up with a new method which is a much safer and does not require the overhead of using a database. I decided to look into the web server logs and noticed that the clients are bots and not really web browsers they only request then postback a valid page in an attempt to get the comments to appear on the site. So this new approach uses this to an big advantage.

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Scam - Loyds TSB Failure

20. April 2011 20:45

Looks like the scammers are not the only people who don't tend to check their software properly before blasting the crap out across the internet. This has to be one of the worst scam attempts I have seen yet. They actually forgot to populate the links to click on in the email ....

 

 

<a rel="nofollow"><font color="#f1823b">View   Statement</font></a>

 

 

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Scam - EBay

20. April 2011 18:42

Looks like a new type of ebay scam has appeared. It looks like they are now trying to convince you to answer a question for a product that you a probably not currently selling with a fake link to a site attempting to steal your login details.

 

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ASP.NET - Blocking By IP Address

14. April 2011 22:55

 

Recently I seem to be running into a little bit of a spamming problem with backlink's being submitted to the blog. It looks like the way .net blog engine does post is really easy for the spammer to be able to post lots and lots of comments with bots (I guess the spammers are getting good at this now). This sounds quite bad but everything is being caught by the spam filters so its really not so bad. So this is a bit of a guide to attempt to protect a website from such action coming from abusive computers around the internet. More...

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Scam - EBay

14. April 2011 21:24

 

This would be the standard fake login form / address for stealing ebay username's and password's

 

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