这后面的是否通过 ?? Trojan 54321 BLOCKED This port has not responded to any of our probes. It appears to be completely stealthed.
Protocol Type Status Additional Information
ICMP 8 BLOCKED An ICMP ping request is usually used to test Internet access. However, an attacker can use it to determine if your computer is available and what OS you are running. This gives him valuable information when he is determining what type of attack to use against you. |