Timing and Performance

SWITCH EXAMPLE DESCRIPTION
-T0 nmap 192.168.1.1 -T0 Paranoid (0) Intrusion Detection System evasion
-T1 nmap 192.168.1.1 -T1 Sneaky (1) Intrusion Detection System evasion
-T2 nmap 192.168.1.1 -T2 Polite (2) slows down the scan to use less bandwidth and use less target machine resources
-T3 nmap 192.168.1.1 -T3 Normal (3) which is default speed
-T4 nmap 192.168.1.1 -T4 Aggressive (4) speeds scans; assumes you are on a reasonably fast and reliable network
-T5 nmap 192.168.1.1 -T5 Insane (5) speeds scan; assumes you are on an extraordinarily fast network
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