Tuesday, May 28, 2024

Operating Systems Can be Detected Using Ping Command

Operating Systems can be detected using Ping Command, Ping is a computer network administration software utility, used to find the Availability of a host on an Internet Protocol (IP) network.

Ping operates by sending Internet Control Message Protocol (ICMP) Echo Request packets to the target host and waiting for an ICMP Echo Reply.

TTL is simply meant, how long a resolver is supposed to cache the DNS query before the query expires and a new one needs to be done.

These TTL values differ between the Operating system. Here you find the TTL value for the Range of servers. Reference subinsb.

Device / OSVersionProtocolTTL
AIX3.2, 4.1ICMP255
BSDIBSD/OS 3.1 and 4.0ICMP255
CompaTru64 v5.0ICMP64
Cisco ICMP254
DEC PathworksV5TCP and UDP30
Foundry ICMP64
FreeBSD2.1RTCP and UDP64
FreeBSD3.4, 4.0ICMP255
HP-UX9.0xTCP and UDP30
HP-UX10.01TCP and UDP64
Irix5.3TCP and UDP60
Irix6.xTCP and UDP60
Irix6.5.3, 6.5.8ICMP255
juniper ICMP64
Linux2.0.x kernelICMP64
Linux2.2.14 kernelICMP255
Linux2.4 kernelICMP255
LinuxRed Hat 9ICMP and TCP64
MacOS/MacTCP2.0.xTCP and UDP60
MacOS/MacTCPX (10.5.6)ICMP/TCP/UDP64
Netgear FVG318 ICMP and UDP64
OpenBSD2.6 & 2.7ICMP255
OS/2TCP/IP 3.0 64
Solaris2.5.1, 2.6, 2.7, 2.8ICMP255
StratusTCP_OS (14.2-)TCP and UDP30
StratusTCP_OS (14.3+)TCP and UDP64
SunOS4.1.3/4.1.4TCP and UDP60
SunOS5.7ICMP and TCP255
UltrixV4.2 – 4.5ICMP255
VMS/Multinet TCP and UDP64
Windowsfor WorkgroupsTCP and UDP32
Windows95TCP and UDP32
Windows98, 98 SEICMP128
WindowsNT 3.51TCP and UDP32
WindowsNT 4.0TCP and UDP128
WindowsNT 4.0 SP5- 32
WindowsNT 4.0 SP6+ 128
WindowsNT 4 WRKS SP 3, SP 6aICMP128
WindowsNT 4 Server SP4ICMP128
Windows2000 proICMP/TCP/UDP128
Windows2000 familyICMP128
WindowsServer 2003 128
WindowsServer 2008ICMP/TCP/UDP128

Operating Systems can be detected using Ping Command

We should run the traceroute command first to determine the hops between the Target and the destination.

tracert gbhackers.com

Operating Systems can be detected using Ping Command

Total number of hops = 11

Now Ping the Domain ping gbhackers.com

Operating Systems can be detected using Ping Command

TTL value is TTL=53, By making the Sum of the TTL value and the number of hops we can define the operating system (53 + 11 = 64), and we can conclude that there is a Linux Machine Running.

This is how Operating Systems can be detected using Ping Command.

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Guru baran
Guru baranhttps://gbhackers.com
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

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