Ports Flashcards
20
FTP (Data) (TCP) - File Transfer Protocol - data transfer
21
FTP (Control) (TCP) - File Transfer Protocol - control commands
23
Telnet (TCP) - Unencrypted text-based remote login
25
SMTP (TCP) - Simple Mail Transfer Protocol - sending emails
67
DHCP Server (UDP) - Dynamic Host Configuration Protocol - server
68
DHCP Client (UDP) - Dynamic Host Configuration Protocol - client
69
TFTP (UDP) - Trivial File Transfer Protocol - simple file transfers
110
POP3 (TCP) - Post Office Protocol 3 - email retrieval
123
NTP (UDP) - Network Time Protocol - clock synchronization
143
IMAP (TCP) - Internet Message Access Protocol - email access
161
SNMP (UDP) - Simple Network Management Protocol - network monitoring / SNMP (UDP) - Simple Network Management Protocol - monitoring
162
SNMP Trap (UDP) - SNMP notifications/traps
389
LDAP (TCP/UDP) - Lightweight Directory Access Protocol - directory services
445
SMB (TCP) - Server Message Block - file/printer sharing
465
SMTPS (TCP) - SMTP Secure - secure email sending
514
Syslog (UDP) - System logging / rsh (TCP) - Remote Shell Command execution
587
SMTP (Submission) (TCP) - SMTP mail submission
636
LDAPS (TCP/UDP) - LDAP Secure
993
IMAPS (TCP) - IMAP Secure
995
POP3S (TCP) - POP3 Secure
1433
MS-SQL (TCP) - Microsoft SQL Server database connection
1521
Oracle DB (TCP) - Oracle database connection
3306
MySQL (TCP) - MySQL database connection
3389
RDP (TCP) - Remote Desktop Protocol - remote desktop