Re: Can this be considered a DoS-attack?
On Wed, Jan 08, 2003 at 07:21:45PM +0100, Cristian Ionescu-Idbohrn wrote:
> Using mozilla 1.2.1 (but I don't think the browser matters).
> Browsed to:
>
> http://www.raycomm.com/techwhirl/magazine/technical/linux.html
>
> and tried the "Printer-friendly version" link (CAREFUL HERE: don't
> click on the link and then leave home):
>
> http://www.raycomm.com/techwhirl/phpapps/pfv/pfv.php?/techwhirl/magazine/technical/linux.html
>
> Obviously, there's some buggy code on that web server:
>
> Apache/1.3.27 (Unix) mod_throttle/3.1.2 PHP/4.2.3
>
> Anyway, the result is that the server will vomit thousends of error
> messages like this:
>
> ,----
> | Warning: fopen("", "rb") - Inappropriate ioctl for device in
> | /home/raycomm/web/techwhirl/phpapps/pfv/pfv.php on line 37
> |
> | Warning: feof(): supplied argument is not a valid File-Handle resource
> | in /home/raycomm/web/techwhirl/phpapps/pfv/pfv.php on line 39
> `----
>
> Leave it going an watch your RAM and swap growing. Memory will be
> exausted at some point. I had to:
>
> # killall mozilla-bin
>
> to stop that (when I noticed there wad unnormal load on my box).
Those are standard PHP errors, but it looks like there were a LOT of
them. However, whatever the problem was on their end is fixed, because
the Printer Friendly link works now.
--
:wq
Matthew Daubenspeck
http://www.oddprocess.org
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