Bing Masking MSNBot As Internet Explorer or a Rogue Bot?

Feb 22, 2010 - 8:46 am 1 by
Filed Under Bing Search

A Bing Community thread reports from one webmaster that someone is masking MSNBot around as a browser, either Internet Explorer or Mozilla Firefox. Here are the reported IPs and UserAgent's being reporting by this webmaster:

The following IP addresses are from MSN's search bots, but use what appears to be just normal user agents.

65.55.109.22 65.55.109.106 65.55.109.118 65.55.109.119 65.55.109.120 65.55.109.162 65.55.109.209 65.55.109.212 65.55.110.16 65.55.110.21 65.55.110.41 65.55.110.88 65.55.110.107 65.55.110.121 65.55.110.132 65.55.110.164

The user agent looks like this "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SLCC1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; InfoPath.2)"

This is not the first time Microsoft Bing has been accused of masking their bots as browser useragents. We had a similar report back in September where MSNBot was using Mozilla by way of UserAgent.

Brett Yount, Bing's representative, said, "Could you send this information to [email protected] and I will have the crawling team investigate?"

So currently, this is not confirmed, but it is weird.

Forum discussion at Bing Community.

 

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