Fuzzing is the act of generating random input to be fed to programs to try to flush out bugs in them. Something that often works better than completely random input is input that is almost, but not quite, what the program expects.
Some fuzzing tools are:
zzuf, a sort of “man-in-the-middle” fuzzerfusil, a Python library for writing fuzzerswapiti, which scans Web pages for potential form- and script-injection vulnerabilitiesfuzzOne page links to Fuzz:
