Starting Nmap 7.80 ( https://nmap.org ) at 2024-02-21 23:42 EST Nmap scan report for facebook.com (31.13.93.35) Host is up (0.00047s latency). Other addresses for facebook.com (not scanned): 2a03:2880:f134:183:face:b00c:0:25de rDNS record for 31.13.93.35: edge-star-mini-shv-02-dfw5.facebook.com PORT STATE SERVICE VERSION 21/tcp filtered ftp 22/tcp filtered ssh 25/tcp filtered smtp 80/tcp open http proxygen-bolt 110/tcp filtered pop3 143/tcp filtered imap 443/tcp open ssl/https 445/tcp filtered microsoft-ds 2 services unrecognized despite returning data. If you know the service/version, please submit the following fingerprints at https://nmap.org/cgi-bin/submit.cgi?new-service : ==============NEXT SERVICE FINGERPRINT (SUBMIT INDIVIDUALLY)============== SF-Port80-TCP:V=7.80%I=7%D=2/21%Time=65D6D0C5%P=x86_64-pc-linux-gnu%r(GetR SF:equest,B3,"HTTP/1\.1\x20301\x20Moved\x20Permanently\r\nLocation:\x20htt SF:ps:///\r\nContent-Type:\x20text/plain\r\nServer:\x20proxygen-bolt\r\nDa SF:te:\x20Thu,\x2022\x20Feb\x202024\x2004:42:45\x20GMT\r\nConnection:\x20c SF:lose\r\nContent-Length:\x200\r\n\r\n")%r(HTTPOptions,B3,"HTTP/1\.1\x203 SF:01\x20Moved\x20Permanently\r\nLocation:\x20https:///\r\nContent-Type:\x SF:20text/plain\r\nServer:\x20proxygen-bolt\r\nDate:\x20Thu,\x2022\x20Feb\ SF:x202024\x2004:42:45\x20GMT\r\nConnection:\x20close\r\nContent-Length:\x SF:200\r\n\r\n")%r(RTSPRequest,C21,"HTTP/1\.1\x20400\x20Bad\x20Request\r\n SF:Content-Type:\x20text/html;\x20charset=utf-8\r\nDate:\x20Thu,\x2022\x20 SF:Feb\x202024\x2004:42:45\x20GMT\r\nConnection:\x20close\r\nContent-Lengt SF:h:\x202959\r\n\r\n\n\n\x20\x20\n\x20\x20\x20\x20\n\x20\x20\x20\x20\n\x20\x20\x20\x20 SF:\n\x20\x2 SF:0\x20\x20 SF:\n\x20\x20\x20\x20\n\x20\x20\x20\x20\n\x20\x20\x20\x20\n\x20\x20\x20\x20\n\x20\x20\x20\x20