Bash scripts to help setup port redirects with iptables. This can be helpful when you want to run a process on a lower port but without elevated privileges (e.g. root). These scripts were created for running HoneyPy (https://github.com/foospidy/HoneyPy) on low ports. They are independent from HoneyPy so can be used for any purpose. They are just convenience scripts for modifing iptables, and have only been tested on Debian.
ipt - display current iptables
ipt_set_tcp - set a tcp port redirect
ipt_set_udp - set a udp port redirect
ipt_reset - reset iptables (no rules)
sudo ./ipt_set_tcp 22 10022
sudo ./ipt_set_tcp 22 10022 eth1
After setting new rules or reseting rules, if you want the changes to survive a reboot use:
ipt_survive_reboot