Working Methods will be detected utilizing Ping Command, Ping is a pc community administration software program utility, which used to seek out the Availability of a bunch on an Web Protocol (IP) community.
Ping operates by sending Web Management Message Protocol (ICMP) Echo Request packets to the goal host and ready for an ICMP Echo Reply.
TTL is solely meant, how lengthy a resolver is meant to cache the DNS question earlier than the question expires and a brand new one must be executed.
These TTL values differ between the Working system. Right here you discover TTL worth for Vary of servers. Reference subinsb.
| System / OS | Model | Protocol | TTL |
| AIX | Â | TCP | 60 |
| AIX | Â | UDP | 30 |
| AIX | 3.2, 4.1 | ICMP | 255 |
| BSDI | BSD/OS 3.1 and 4.0 | ICMP | 255 |
| Compa | Tru64 v5.0 | ICMP | 64 |
| Cisco | Â | ICMP | 254 |
| DEC Pathworks | V5 | TCP and UDP | 30 |
| Foundry | Â | ICMP | 64 |
| FreeBSD | 2.1R | TCP and UDP | 64 |
| FreeBSD | 3.4, 4.0 | ICMP | 255 |
| FreeBSD | 5 | ICMP | 64 |
| HP-UX | 9.0x | TCP and UDP | 30 |
| HP-UX | 10.01 | TCP and UDP | 64 |
| HP-UX | 10.2 | ICMP | 255 |
| HP-UX | 11 | ICMP | 255 |
| HP-UX | 11 | TCP | 64 |
| Irix | 5.3 | TCP and UDP | 60 |
| Irix | 6.x | TCP and UDP | 60 |
| Irix | 6.5.3, 6.5.8 | ICMP | 255 |
| juniper | Â | ICMP | 64 |
| MPE/IX (HP) | Â | ICMP | 200 |
| Linux | 2.0.x kernel | ICMP | 64 |
| Linux | 2.2.14 kernel | ICMP | 255 |
| Linux | 2.4 kernel | ICMP | 255 |
| Linux | Pink Hat 9 | ICMP and TCP | 64 |
| MacOS/MacTCP | 2.0.x | TCP and UDP | 60 |
| MacOS/MacTCP | X (10.5.6) | ICMP/TCP/UDP | 64 |
| NetBSD | Â | ICMP | 255 |
| Netgear FVG318 | Â | ICMP and UDP | 64 |
| OpenBSD | 2.6 & 2.7 | ICMP | 255 |
| OpenVMS | 07.01.2002 | ICMP | 255 |
| OS/2 | TCP/IP 3.0 | Â | 64 |
| OSF/1 | V3.2A | TCP | 60 |
| OSF/1 | V3.2A | UDP | 30 |
| Solaris | 2.5.1, 2.6, 2.7, 2.8 | ICMP | 255 |
| Solaris | 2.8 | TCP | 64 |
| Stratus | TCP_OS | ICMP | 255 |
| Stratus | TCP_OS (14.2-) | TCP and UDP | 30 |
| Stratus | TCP_OS (14.3+) | TCP and UDP | 64 |
| Stratus | STCP | ICMP/TCP/UDP | 60 |
| SunOS | 4.1.3/4.1.4 | TCP and UDP | 60 |
| SunOS | 5.7 | ICMP and TCP | 255 |
| Ultrix | V4.1/V4.2A | TCP | 60 |
| Ultrix | V4.1/V4.2A | UDP | 30 |
| Ultrix | V4.2 – 4.5 | ICMP | 255 |
| VMS/Multinet | Â | TCP and UDP | 64 |
| VMS/TCPware | Â | TCP | 60 |
| VMS/TCPware | Â | UDP | 64 |
| VMS/Wollongong | 1.1.1.1 | TCP | 128 |
| VMS/Wollongong | 1.1.1.1 | UDP | 30 |
| VMS/UCX | Â | TCP and UDP | 128 |
| Home windows | for Workgroups | TCP and UDP | 32 |
| Home windows | 95 | TCP and UDP | 32 |
| Home windows | 98 | ICMP | 32 |
| Home windows | 98, 98 SE | ICMP | 128 |
| Home windows | 98 | TCP | 128 |
| Home windows | NT 3.51 | TCP and UDP | 32 |
| Home windows | NT 4.0 | TCP and UDP | 128 |
| Home windows | NT 4.0 SP5- | Â | 32 |
| Home windows | NT 4.0 SP6+ | Â | 128 |
| Home windows | NT 4 WRKS SP 3, SP 6a | ICMP | 128 |
| Home windows | NT 4 Server SP4 | ICMP | 128 |
| Home windows | ME | ICMP | 128 |
| Home windows | 2000 professional | ICMP/TCP/UDP | 128 |
| Home windows | 2000 household | ICMP | 128 |
| Home windows | Server 2003 | Â | 128 |
| Home windows | XP | ICMP/TCP/UDP | 128 |
| Home windows | Vista | ICMP/TCP/UDP | 128 |
| Home windows | 7 | ICMP/TCP/UDP | 128 |
| Home windows | Server 2008 | ICMP/TCP/UDP | 128 |
| Home windows | 10 | ICMP/TCP/UDP | 128 |
Working Methods will be detected utilizing Ping Command
We must always run the traceroute command first to find out the hops between the Goal and the vacation spot.
tracert gbhackers.com
Complete variety of hops = 11
Now Ping the Area ping gbhackers.com
TTL worth is TTL=53, By making the Sum of TTL worth and variety of hops we are able to outline the working system (53 + 11 = 64), we are able to conclude that there’s a Linux Machine Working.
This how Working Methods will be detected utilizing Ping Command.
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