When you can't be bothered with figuring out better fuzzing tools
fuzzcat is a rudimentary network protocol fuzzer using bash, netcat, and other tools.
For a list of options:
./fuzzcat --help
Example:
./fuzzcat -h 127.0.0.1 -p 8080 -b 4096 -bz 256 -t char
- nc
- curl
- seq