File Transfer Protocol (FTP) - 20/21, Secure Shell (SSH) - 22, TACACS+ - 49, Domain Name System (DNS) - 53, Dynamic Host Configuration Protocol (DHCP) - 67/68, Hypertext Transfer Protocol (HTTP) - 80, Kerberos - 88, Post Office Protocol (POP) - 110, Internet Message Access Protocol (IMAP) - 143, 993, Simple Network Management Protocol (SNMP) - 161/162, Lightweight Directory Access Protocol (LDAP) - 389, Hypertext Transfer Protocol Secure (HTTPS) - 443, Lightweight Directory Access Protocol Secure (LDAPS) - 636, File Transfer Protocol Secure (FTPS) - 989/990, Internet Message Access Protocol Secure (IMAPS) - 993, Post Office Protocol 3 Secure (POP3S) - 995, Remote Authentication Dial-In User Service (RADIUS) - 1812/1813, Diameter - 3868, Secure Real Time Protocol (SRTP) - 5004, Layer 2 Tunneling Protocol (L2TP) - 1701, Point to Point Tunneling Protocol (PPTP) - 1723, Remote Desktop Protocol - 3389, Simple Mail Transfer Protocol (SMTP) - 25, Network Time Protocol - 123, Server Message Block - 445, Internet Protocol Security (IPSec) using ISAKMP - 500, Simple Mail Transfer Protocol Secure (SMTPS) - 587,

CompTIA SY0-701 Security+ Ports and Protocols

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