KeyKey:
OPEN PORT | a port, or ports, appear to offer a possibly vulnerable service All services should be closed unless you require them to be open |
CLOSED PORT | a port, or ports, are responding that they are closed A software or hardware firewall can eliminate all responses and 'stealth' your IP completely, if you so desire. |
FILTERED PORT | the port is silent in response to open-port requests No response to probes were detected. |
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