Identify OS on remote host

For nmap to even make a guess, nmap needs to find at least 1 open and 1 closed port on a remote host. Using the previous scan results, let us find out more about the host 192.168.0.115:

# nmap -O -sV 192.168.0.115

Output:

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Andale Mono'; color: #2fff12; background-color: #000000; background-color: rgba(0, 0, 0, 0.9)} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Andale Mono'; color: #2fff12; background-color: #000000; background-color: rgba(0, 0, 0, 0.9); min-height: 14.0px} span.s1 {font-variant-ligatures: no-common-ligatures}
Starting Nmap 7.80 ( https://nmap.org ) at 2020-10-02 12:21 CEST
Nmap scan report for 192.168.0.115
Host is up (0.00023s latency).
Not shown: 991 closed ports
PORT      STATE SERVICE     VERSION
22/tcp    open  ssh         OpenSSH 5.1 (protocol 2.0)
80/tcp    open  http        Apache httpd 2.2.19 ((Unix) mod_ssl/2.2.19 OpenSSL/0.9.8zf DAV/2)
111/tcp   open  rpcbind     2 (RPC #100000)
139/tcp   open  netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP)
443/tcp   open  ssl/http    Apache httpd 2.2.19 ((Unix) mod_ssl/2.2.19 OpenSSL/0.9.8zf DAV/2)
445/tcp   open  netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP)
873/tcp   open  rsync       (protocol version 29)
2049/tcp  open  nfs         2-4 (RPC #100003)
49152/tcp open  upnp        Portable SDK for UPnP devices 1.6.9 (Linux 2.6.39.3; UPnP 1.0)
MAC Address: 00:26:2D:06:39:DB (Wistron)
Device type: general purpose
Running: Linux 2.6.X|3.X
OS CPE: cpe:/o:linux:linux_kernel:2.6 cpe:/o:linux:linux_kernel:3
OS details: Linux 2.6.38 - 3.0
Network Distance: 1 hop
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel:2.6.39.3


OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 14.58 seconds

nJoy 😉

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