I was messing around with
ssh and decided to write a python program that scans for any connections that aren't from the system, then terminates them. It works well for many connections from my iMac to my MacBook. A more in-depth explanation of the program is written at the top of the code. I'd appreciate feedback on any nitpicks you can find, since I threw this together in about thirty minutes. Any and all feedback is appreciated and considered.
""" Import Statements """ import os import subprocess import time """ Objective: Scan all connections to this computer, every two seconds, and if any are not system, as in not `console` or `s000`, find the PID associated with the connection, then terminate the connection with `kill -9 ...` """ def format_pid(text): """ Formats the output to only include PIDS that are not from the system """ ids = text.split("\n") all_ids =  del ids #removes uptime stuff for line in ids: pid = line[:13] if pid[12:] != '0': all_ids.append(pid[:5]) return all_ids def get_pids(): """ Returns all users logged into the computer """ return format_pid(subprocess.Popen(['ps'], stdout=subprocess.PIPE).communicate()) def kill(): """ Terminates all processes that are not system """ processes = get_pids() for process in processes: if process: # Makes sure process isn't null/empty os.system('kill -9 ' + process) print("KILLED CONNECTION PROCESS: " + process) time.sleep(2) kill() if __name__ == '__main__': kill()