Which parameters are valid SCREEN options for combating operating system probes?（）A、syn-fin, syn-flood, and tcp-no-fragB、syn-fin, port-scan, and tcp-no-flagC、syn-fin, fin-no-ack, and tcp-no-fragD、syn-fin, syn-ack-ack-proxy, and tcp-no-frag
题目
Which parameters are valid SCREEN options for combating operating system probes?（）
- A、syn-fin, syn-flood, and tcp-no-frag
- B、syn-fin, port-scan, and tcp-no-flag
- C、syn-fin, fin-no-ack, and tcp-no-frag
- D、syn-fin, syn-ack-ack-proxy, and tcp-no-frag
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参考答案和解析
正确答案:C