[Dshield] little experiment

Johannes B. Ullrich jullrich at euclidian.com
Tue Mar 1 13:29:26 GMT 2005

Thanks for all the feedback! I am trying to wrap up my responses in this 
one email:

- Some of the "broken page" issues where due to me making adjustments
   last night ;-). Some "fixing the running train" as I was scanning the

- SP2 detection needs work. I think it only works well with Internet
   Explorer. Have to see what the exact magic string is in Firefox.

- the UDP scan is unreliable, and does show ports as open that are not.
   Maybe I should drop it. There is no good way to scan UDP.

- it looks like it has some bug if your local ip is reported as ;-). This can happen with some proxy/vpn configurations.

- 10 port scans can be run at the same time. I don't think that limit
   was reached yesterday. There should be a note to that respect if the
   limit is hit.

- I think the browser crasht aht was reported may be due to the
   fact that I use javascript xmlhttp. I started using it because
   (a) its way cool, (b) google uses it, so I consider it 'ready'

- I will add port 22 and 25 to the tcp port scan list.

- the page will probably only work in MSIE and Firefox. Other browsers
   may / may not work. The problem is that as I get more and more into
   using browser specific tricks to figure out some of the intormation,
   I can't support them all (see the XP SP2 issue).

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