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port-check.sh - small script to check if TCP ports are opened through firewalls etc.
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| #!/bin/bash | |
| function checkport { | |
| if nc -zv -w30 $1 $2 <<< '' &> /dev/null | |
| then | |
| echo "[+] Port $1/$2 is open" | |
| else | |
| echo "[-] Port $1/$2 is closed" | |
| fi | |
| } | |
| # Example checks | |
| checkport 'ad.server.one' 389 | |
| checkport 'ad.server.one' 636 | |
| checkport 'webserver.server.two' 443 |
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