Repeatedly loading a page....

how can we block someone from reloading a page thousands of times as a
denial of service attack?
we have wls 5.1 sp8.
basically, if you load a jsp, and hold down f5 in IE, it will reload it
hundreds of times, killing performance. I noticed that most sites handle it
gracefully.
Any ideas?
Tia,
jason

Some routers/loadbalancers have rate-limiting capabilities.
For instance, do not accept more than 1 request/second from the
same IP address.
mike
Joel Nylund <[email protected]> wrote:
dns attacks are difficult to protect against, if the pages
are inside a login,
you can always lock the customer out if they do this.
Also, we put a token in
the session to determine if were working on something
for that customer, and
dont let them do multiple submits.
if its outiside a login, then its tough, you could do
network detection and
lockout, but this is tough since many of the big isp's
do outbound proxing , so
you could be locking out an entire isp for one bad apple.
I heard wl 6 has some dns protection built in, but havent
seen what it does yet.
-Joel
Jason McMunn wrote:
how can we block someone from reloading a page thousandsof times as a
denial of service attack?
we have wls 5.1 sp8.
basically, if you load a jsp, and hold down f5 in IE,it will reload it
hundreds of times, killing performance. I noticed thatmost sites handle it
gracefully.
Any ideas?
Tia,
jason

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