TTL=50是什么操作系统?
bytes=32 time=70 TTL=50能看出来是什么操作系统吗?
推荐回答(3个)
TTL=50应该是linux的操作系统。
TTL 是由发送主机设置的,以防止数据包不断在 IP互联网络上永不终止地循环。转发 IP
数据包时,要求路由器至少将 TTL 减小 1。
使用PING时涉及到的 ICMP 报文类型
一个为ICMP请求回显(ICMP Echo Request)
一个为ICMP回显应答(ICMP EchoReply)
TTL字段值可以帮助识别操作系统类型。
UNIX 及类 UNIX 操作系统 ICMP 回显应答的 TTL 字段值为255
Compaq Tru64 5.0 ICMP 回显应答的 TTL 字段值为 64
微软 Windows NT/2K操作系统 ICMP 回显应答的 TTL字段值为 128
微软 Windows 95 操作系统 ICMP 回显应答的 TTL字段值为 32
这样,就可以通过回显的TTL这种方法来辨别操作系统
LINUX 64
WIN2K/NT 128
WINDOWS 系列 32
UNIX 系列 255
(说明:如果是有意修改了TTL的值,这种办法就不保证了。)
TTL 意思就是生存周期,TTL值这个东西本身并代表不了什么,所以看不出是什么操作系统
TTL=50 TTL是时间周期的意思啊.你是指从网络上,通过网络的一些信息来看操作系统吗?
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