IMAP, 143 TCP, File Transfer Protocol (FTP) DATA, 20 TCP, File Transfer Protocol (FTP) CONNECTION, 21 TCP, Secure Shell (SSH), 22 TCP, Telnet, 23 TCP, Simple Mail Transfer Protocol (SMTP), 25 TCP, Domain Name System (DNS), 53 TCP, Dynamic Host Configuration Protocol (DHCP), 67, 68 UDP, Hypertext Transfer Protocol (HTTP), 80 TCP, Post Office Protocol 3 (POP3), 110 TCP, Network Basic Input/Output System (NetBIOS)/NetBIOS over TCP/IP (NetBT), 137,138,139, Simple Network Management Protocol (SNMP) communicating with SNMP Agents, 161, Simple Network Management Protocol (SNMP) agents send unsolicited Traps, 162, Lightweight Directory Access Protocol (LDAP), 389 TCP, Hypertext Transfer Protocol Secure (HTTPS), 443 TCP, Server Message Block (SMB)/Common Internet File System (CIFS), 445 TCP, Remote Desktop Protocol (RDP), 3389 TCP

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