Advanced Options (Custom Payload)
If left empty, the system will automatically inject a standardized probe for known ports (DNS, NTP, SNMP, Source Engine, etc.).
UDP 確認 time.nist.gov:123
Payload Sent:
0x1b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(Auto-detected)