Comptia Network+ Port Names And Numbers Flashcards ionicons-v5-c Simple Network Management Protocol161 TCP & UDP162 TCP & UDP SNMP Lightweight Directory Access Protocol389 TCP & UDP LDAP HyperText Transfer Protocol80 TCP HTTP Remote Authentication Dial in User Service1812 TCP & UDP1813 TCP & UDP RADIUS Simple Mail Transfer Protocol25 TCP SMTP Remote Desktop Protocol3389 TCP RDP Lightweight Directory Access Protocol over TLS/SSL636 TCP & UDP LDAPS Post Office Protocol110 TCP POP3 Layer 2 Tunneling Protocol1701 UDP L2TP Internet Message Access Protocol143 TCP & UDP IMAP4 88 TCP Kerberos Dynamic Host Configuration Protocol67 & 68 UDP DHCP 23 TCP Telnet Point-to-Point Tunneling Protocol1723 TCP & UDP PPTP Network Time Protocol123 UDP NTP HTTP with Secure Sockets Layer443 TCP & UDP SSL Network News Transport Protocol119 TCP NNTP Trivial File Transfer Protocol69 UDP TFTP Secure Shell22 TCP & UDP SSH Domain Name Server53 TCP & UDP DNS File Transfer Protocol20 & 21 TCP FTP