[EMAIL PROTECTED] (Randal L. Schwartz) wrote:
I'm told that my CPU throttler
was used at etoys.com for a similar purpose, and permitted them to
keep from losing millions of dollars of revenue due to people
spidering their catalog.
That's correct, although it was actually a bunch of DoS
Ken == Ken Williams [EMAIL PROTECTED] writes:
Ken [EMAIL PROTECTED] (Randal L. Schwartz) wrote:
It would be pretty simple, basing it on my CPU-limiting throttle that
I've published in Linux Magazine
http://www.stonehenge.com/merlyn/LinuxMag/col17.html. Just grab a
flock on the CPU-logging
[EMAIL PROTECTED] said:
Well, if the reason you're throttling is to block excessive usage of
the machine, the full monty of CPU limiting will do that just fine,
one kind of DOS would not be caught by looking at CPU usage, it is one
that I have experienced a number of times, namely the use of
-Original Message-
From: Justin [mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 07, 2001 7:51 PM
To: [EMAIL PROTECTED]
Subject: IP based instant throttle?
Does anyone see the value in a Throttle module that looked at
the apache parent status block and rejected any request where
another
good ideas, thanks.
as someone said its cloggage on the backend due to either
SQL server contention or more likely largish pages draining
to the user even with all the buffers en-route helping to
mitigate this. you can't win : if they are on a modem they can
tie up 8 modperl demons, and if they
, 2001 6:08 PM
To: [EMAIL PROTECTED]
Cc: Justin
Subject: Re: IP based instant throttle?
Do you get flooded that frequently that this is an issue?
I've seen DOS, and various buffer overflows etc. in the real world, but
I've never seen this.
Unless its happening very often, I would have
Justin == Justin [EMAIL PROTECTED] writes:
Justin Does anyone see the value in a Throttle module that looked at
Justin the apache parent status block and rejected any request where
Justin another child was already busy servicing *that same IP* ?
Justin (note: the real IP is in the header in a
of tricks. Don't just look for one solution.
Jeremy
-Original Message-
From: Martin Redington [mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 07, 2001 6:08 PM
To: [EMAIL PROTECTED]
Cc: Justin
Subject: Re: IP based instant throttle?
Do you get flooded that frequently
Does anyone see the value in a Throttle module that looked at
the apache parent status block and rejected any request where
another child was already busy servicing *that same IP* ?
(note: the real IP is in the header in a backend setup so it
is not possible to dig it out across children without
Do you get flooded that frequently that this is an issue?
I've seen DOS, and various buffer overflows etc. in the real world, but
I've never seen this.
Unless its happening very often, I would have thought that some
monitoring and a 2am Deny from ip in your httpd.conf would be
enough ...
Hi Justin,
What about the case where you would have several people accessing
the site from behind a firewall at the same time? They would appear to be
coming from the same IP Address.
On Friday, June 8, 2001, at 01:50 am, Justin wrote:
Does anyone see the value in a Throttle module that
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