Brian Braun wrote:
Hi Constantine,
1- I had almost decided to program a filter. However, I have found this
solution:
http://stackoverflow.com/questions/3679465/find-number-of-active-sessions-created-from-a-given-client-ip/3679783#3679783
What do you think about it? I havent tried it yet, but as far as I can tell
it looks good. It would help me to know how many sessions exist for a
certain IP. Knowing that, I could deny more sessions for that IP (even
though the procedure to deny is not included in this code).
Just want to point out a possible hole in the logic.
If there are a number of potential (legitimate and illegitimate) clients located within
the same corporate LAN, and these clients all access the Internet through say a corporate
proxy, all these request will look to your server as originating from the same IP address.
So you could be denying more than you wish.
However, their origin /port/ should be different, so you might want to include that in
your filter, inaddition to the IP address.
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