Starting Nmap 7.80 ( https://nmap.org ) at 2023-01-11 11:01 UTC Nmap scan report for facebook.com (157.240.254.35) Host is up (0.010s latency). Other addresses for facebook.com (not scanned): 2a03:2880:f175:181:face:b00c:0:25de rDNS record for 157.240.254.35: edge-star-mini-shv-02-ord5.facebook.com Not shown: 996 filtered ports PORT STATE SERVICE 80/tcp open http 443/tcp open https 843/tcp closed unknown 5222/tcp closed xmpp-client Device type: general purpose|PBX|printer Running (JUST GUESSING): FreeBSD 11.X|7.X|8.X (87%), Linux 2.6.X (86%), Vodavi embedded (85%), Lexmark embedded (85%) OS CPE: cpe:/o:freebsd:freebsd:11.0 cpe:/o:freebsd:freebsd:7.0 cpe:/o:linux:linux_kernel:2.6.24 cpe:/o:freebsd:freebsd:8.0 cpe:/h:vodavi:xts-ip Aggressive OS guesses: FreeBSD 11.0-CURRENT (87%), FreeBSD 7.0-STABLE (86%), Linux 2.6.24 (86%), FreeBSD 8.0-STABLE (85%), Vodavi XTS-IP PBX (85%), Lexmark 1400-series printer (85%), Lexmark E332n printer (85%) No exact OS matches for host (test conditions non-ideal). OS detection performed. Please report any incorrect results at https://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 7.83 seconds