Initiating SYN Stealth Scan at 10:21
Scanning localhost (www.nxadmin.com) [1000 ports]
Discovered open port 111/tcp on www.nxadmin.com
Completed SYN Stealth Scan at 10:21, 0.08s elapsed (1000 total ports)
Initiating OS detection (try #1) against localhost (www.nxadmin.com)
Retrying OS detection (try #2) against localhost (www.nxadmin.com)
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
OS Scan的结果是不可靠的,因为没有发现至少一个开放或者关闭的端口.
[attach]113909[/attach]
这种情况是非常不理想的,应该是远程主机做了针对操作系统检测的防范。如果Nmap不能检测到远程操作系
统类型,那么就没有必要使用-osscan_limit检测。
[attach]113910[/attach]
想好通过Nmap准确的检测到远程操作系统是比较困难的,需要使用到Nmap的猜测功能选项, –osscan-gues
s 猜测认为最接近目标的匹配操作系统类型。