Sunday, November 9th, 2008

User-Agent Headers: Crazy? Or Craziest?

Category: Browsers

DeWitt Clinton reminder me of just how out of control User-Agent headers are by posting one from his logs:

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Tablet PC 2.0; .NET CLR 3.5.21022; Media Center PC 5.1; Zune 3.0; OfficeLiveConnector.1.2; .NET CLR 3.5.30729; .NET CLR 3.0.30618)

It’s Sunday, so why not waste some time commenting with the craziest, longest user-agent that you can find?

Posted by Dion Almaer at 10:19 am
14 Comments

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3.7 rating from 19 votes

14 Comments »

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You managed to convince me to change mine:

Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_5; en-us) AppleWebKit/525.18 (KHTML, like Gecko) Version/3.1.2 Safari/525.20.1; with super power plasma guns; (compatible; Black Pearl 6.2; Flying Dutchman 3.6; Millennium Falcon 1.5; Energizer Bread Batter 5.2; Random Tandem March of Death 2.79.13 Linux Version; .NET Crap Language Revision 5.2.7)

Not that creative, but the best I could come up with on short notice.

Comment by ialexi — November 9, 2008

Unique user-agent headers are useful in tracking visitors. IP address plus user-agent is all you need.

Comment by MaratDenenberg — November 9, 2008

This one visits our site from time to time, generating 404’s by requesting “/text/javascript”:

SonyEricssonK800i/R1ED Browser/NetFront/3.3 Profile/MIDP-2.0 Configuration/CLDC-1.1 (Mediobot/1.0 +http://bot.medio.com)

If it wasn’t for the fact that their developers has so poor understanding of the medium, I would probably write to them, and point the error of their ways.

I might however, decide to publish the complete works of Shakespeare on that URL, for that user-agent, just to spam their indexes.

Comment by MorganRoderick — November 9, 2008

A coworker mentioned on friday that the string “Bryan Peters is hot” was showing up as a user agent string in our logs.

A cursory google search revealed nothing about who this dashing hacker may be ;-)

Comment by ddjohnson — November 9, 2008

The longest from my most recent logs:

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; FunWebProducts; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 3.1; .NET CLR 2.0.50727; InfoPath.2; NET_mmhpset)

(Yes, all that. Not sure if that’s supposed to be IE 7 or IE 6. It was ostensibly a human being, with a referrer I get many of my hits from, and visiting a few pages.)

Comment by chryss — November 9, 2008

Longest one from my logs:

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; User-agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; http://bsalsa.com) ; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2)

Comment by broofa — November 9, 2008

Longest one from my stats system:

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; User-agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; http://bsalsa.com) ; User-agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; http://bsalsa.com) (CZee EmbeddedWB); User-agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; http://bsalsa.com) (EmbeddedWB 14.52 from: http://www.bsalsa.com/); .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648)

472 characters long, enhanced with 4x MSIE 6.0 surfing power!

Comment by pplante — November 9, 2008

Mine is: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6; en-gb) AppleWebKit/528.4 (KHTML, like Gecko) Version/4.0 Safari/528.4.1 DoesLettingYouSeeThisViolateTheNDA/1.0

Must do a quick trawl through the work logs… some of them are a bit nuts.

Comment by thepatrick — November 9, 2008

pah, the best I can do:

Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; Embedded Web Browser from: http://bsalsa.com/; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)

Comment by d4rk — November 9, 2008

@MaratDenenberg: So would my roommate and I, who both use Safari, be the same visitor as far as you’re concerned?

Comment by eyelidlessness — November 9, 2008

Wow. Those bsalsa guys get around.

Comment by Nosredna — November 9, 2008

@MaratDenenberg, @eyelidlessness (great name, btw):

That’s OK, I’d be two or more people depending on whether I was browsing, developing or reading pages saved for later – that’ll make up for you and your roommate :)

Comment by jtresidder — November 10, 2008

@PeterCowburn: I did that for a while, but got fed up of being told that a site couldn’t decide which browser I was using and deciding that an error message would be an acceptable default. I then used a Googlebot’s UA for a while, to see what kind of black/grey hattage was going on on my regular sites… but kept running into “you claim to be a googlebot, but we can tell you aren’t etc.,”. All in all, it’s less grief to just leave it alone :(

Comment by jtresidder — November 10, 2008

@jtresidder: LOL! (And thanks! Most people can’t even be bothered to spell it right, I usually get some permutation of eyelidness…)

Comment by eyelidlessness — November 10, 2008

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