[Full-Disclosure] Attack profiling tool?

[Gareth Blades]

I have seen a few occurances of someone opening up HTTPS connections on one
of our servers until they reach a point where they fail to open up any more
connections 3 times. They then close down all the connections.
You can see a full packet trace at
http://www.webscreen-technology.com/temp/attack20030707.htm

I have seen this a number of times from various IP addresses and it is
always exactly the same. Our product which detected this prevents against
these types of attacks anyway so it is not a problem but I was wondering if
it is a particular attack tool going round the Internet profiling different
sites to see how many connections they support.

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Gareth Blades
Webscreen Technology