Use this shell script to generate knockd one-time-sequences file
This script works with rl command for random number generation.
$ apt-get install randomize-lines
usage:
$ ./knockd-one-time-sequences-generator -h
-h: this help
-l|--lines: how many lines to generate
-nu|--no-udp: turn off udp
-b|--port-max: the maximum port range
-s|--port-min: the minimum port range
just run without parameter to use default setting
$ ./knockd-one-time-sequences-generator
1,55956,63051:udp
2,26814:udp,33941:udp,13157:udp,35731,61827:udp,61048:udp
3,52658:udp,12884:udp
4,7196,3371:udp
5,46285:udp,59583:udp,53577,2770:udp
6,7414:udp,64633,41811
7,25486,26595
8,30193,53658:udp,19398:udp,16365,38701
9,65077:udp,9838
10,13790,17368:udp,58729:udp,36772