This page explains in clear, simple language, what CGI is, the security problems that result from its misuse, and how to correct them. A second copy is located here . A quick overview of the problems and a few suggestions to keep your server safe. The focus is on defensive programming techniques that will prevent the abuse of CGI scripts. People can use poorly written CGI scripts to read files that should remain secret from the general public, get shell access on machines running CGIs or simply make the CGI host unusable.
Careful programming can prevent most kinds of harm.
This is basically the same list as that at Live Zone, with one or two additions. The Unofficial Answers from the Princeton Safe Internet Programming Team JavaScript security JavaScript Problems A list of problems discovered by John Robert LoVerso, OSF Research Institute Yahoo's JavaScript security links Network security Network Computing Online's discussion of network security companies Computer security Berkeley Lab Computer Security News, resources, and tools on computer security. Rootshell A list of news, exploits, and fixes to help secure your system.