Ftp Posters and Art Prints
Main Tag:
Description: TCP port 21 — FTP (File Transfer Protocol) TCP port 22 — SSH (Secure Shell) TCP port 23 — Telnet TCP port 25 — SMTP (Simple Mail Transfer Protocol) TCP and UDP port 53 — DNS (Domain Name System) TCP port 443 — HTTP (Hypertext Transport Protocol) and HTTPS (HTTP over SSL) TCP port 110 — POP3 (Post Office Protocol version 3) TCP and UDP port 135 — Windows RPC TCP and UDP ports 137–139 — Windows NetBIOS over TCP/IP
