File Transfer Protocol (FTP) - 20, 21, Secure Shell (SSH) - 22, Secure File Transfer Protocol (SFTP) - 22, Telnet - 23, Simple Mail Transfer Protocol (SMTP) - 25, Domain Name System (DNS) - 53, Dynamic Host Configuration Protocol (DHCP) - 67, 68, Trivial File Transfer Protocol (TFTP) - 69, Hypertext Transfer Protocol (HTTP) - 80, Post Office Protocol v3 (POP3) - 110, Network Time Protocol (NTP) - 123, Internet Message Access Protocol (IMAP) - 143, Simple Network Management Protocol (SNMP) - 161, 162, Lightweight Directory Access Protocol (LDAP) - 389, Hypertext Transfer Protocol Secure - Secure Socket Layer (HTTPS-SSL) - 443, Hypertext Transfer Protocol Secure - Transport Layer Security (HTTPS-TLS) - 443, Server Message Block (SMB) - 445, Syslog - 514, Simple Mail Transfer Protocol - Transport Layer Security (SMTP-TLS) - 587, Lightweight Directory Access Protocol over Secure Socket Layer (LDAPS) (LDAP) - 636, Internet Message Access Protocol over Secure Socket Layer (IMAP-SSL) - 993, Post Office Protocol v3 over Secure Socket Layer (POP3-SSL) - 995, Structured Query Language Server (SQL Server) - 1433, Structured Query Language Net (SQLnet) - 1521, My Structured Query Language (MySQL) - 3306, Remote Desktop Protocol (RDP) - 3389, Session Initiation Protocol (SIP) - 5060, 5061,

Network+ Port Numbers and Protocols

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