OS별 TTL(Time To Limit)

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TTL OS

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31 Firmware
54 Windows NT
64 UNIX
128 Windows 98, 2000, XP
244 Irix & Linux
246 Redhat Linux, Unix 4.0
247 Solaris 2.x
248 Unix 4.0
255 Accel Linux, Linux, Cisco router

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