Re: Exploit for Linux wu.ftpd hole
Nathan Lawson (nlawson@statler.csc.calpoly.edu)
Sun, 9 Jul 1995 15:56:35 -0700
> Yes, i've since discovered this. And the writes dont return a error. Hmm,
> how slow would fstat()ing the log file before writing be, it shouldnt be
> *too* bad.
The only problem I see here is that this should be done before writes, not
periodically. If it was done every few minutes, it would cause a penalty
in swapping into memory, especially on machines with limited memory. I'd like
to see more Unix daemons designed to wake up as little as possible.
-Nate