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linux:sysadmin [2020/07/24 13:34] mstraub [Check Open Ports & Connections] |
linux:sysadmin [2020/08/20 11:59] (current) mstraub [Check Open Ports & Connections] |
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nmap localhost # print open ports on current machine (only a selection of common ports) | nmap localhost # print open ports on current machine (only a selection of common ports) | ||
nmap -p 1-9999 host # print open ports on a host (with a defined port range) | nmap -p 1-9999 host # print open ports on a host (with a defined port range) | ||
+ | nmap -Pn -p 1-9999 host # as above, but skip host discovery (helpful if above probe fails) | ||
nmap -A -T4 host # print open ports with enabled version detection (-A) and don't wait too long (-T4) | nmap -A -T4 host # print open ports with enabled version detection (-A) and don't wait too long (-T4) | ||
</code> | </code> |