Check for open outgoing ports

Want to know which ports are allowed (or open) to use in your organization?
You can check all ports with
In bash somthing like this would help you get going:

for i in `seq 1024 65535`; do if nc -z $i; then echo “Port $i Success”; :; fi done

You will now get a fine list of outgoing ports that are open. Remember that just because some port is open, it doesn’t necessarily mean that it is allowed to use it!


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