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Frank Knobbe hat geschrieben:(...) However, we have observed the Sohu Search engine
(www.sohu.com) doing some funky stuff. It checks existing pages and
non-existing pages (like /abcdefghijklm.html) with GET and HEAD
requests. In those requests are tons of really funky cookies. At first
glance, I thought the search engine has gone bonkers, or was badly
coded. However, certain traits seem more purposeful (like checking for
the non-existing page). It appears more of a fingerprinting/recon than a
spidering of an existing site.
Oh, and they also performed proxy checks (trying GET https://www.sohu.com
against the tested hosts). Not really a feature of a search engine
either![]()
These accesses were observed from 61.135.131.0/24 and 220.181.26.0/24.
You might want to keep an eye on those subnets. Has anyone else noticed
attempts from Sohu or has some more information he can share here?
Cheers,
Frank
Da wird nur der Header, aber nicht das HTML selbst übertragen. Ideal z.B. um ohne Traffic zu erzeugen Dateigrößen und Dateitypen herauszufinden oder schlicht um zu testen, ob eine Datei existiert.The HEAD method is identical to GET except that the server MUST NOT return a message-body in the response.