script detection

Martin v. Loewis martin at v.loewis.de
Mon Jan 28 00:23:29 CET 2002


cyclotron at gmx.net (cyclotron) writes:

> Is it possible to bypass this detection? How do they detect my script?

There are probably many ways to detect a script. The common approach
will be that scripts have minimal usage of protocol features, whereas
full browsers use lots of them.

For example, the typical browser will identify itself to the server,
so that the server can respond differently depending on whether it is
Netcrap or the Internet Exploder. If the client does not identify
itself, it is probably a script.

So unless you do already, you should add browser identification,
faking to be one of the common browsers. If this still doesn't help,
you should trace the conversation that the browser has, adding things
list Host:, Accept:, Connection:, etc.

HTH,
Martin




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