Coming back to the topic of computer security, the TCP Wrapper is an example of such a safety net. I wrote it when my systems were under attack by someone who appeared to walk through walls.
Wietse VenemaMost of the effort in the software business goes into the maintenance of code that already exists.
Wietse VenemaThis will surprise some of your readers, but my primary interest is not with computer security. I am primarily interested in writing software that works as intended.
Wietse Venema