Common Ports
- FTP - 20 & 21
- SSH, SCP, SFTP - 22
- Telnet - 23
- SMTP - 25
- TACACS - 49
- DNS - 53
- DHCP - 67 & 68
- TFTP - 69
- HTTP - 80
- Kerberos - 88
- POP3 - 110
- NetBIOS - 137-139
- IMAP4 - 143
- SNMP - 161
- LDAP - 389
- SSL & HTTPS - 443
- SMB - 445
- LDAP with SSL - 636
- FTPs - 989 & 990
- Microsoft SQL Server - 1433
- Layer 2 Tunneling Protocol (L2TP) - 1701
- Point-to-Point Tunneling Protocol (PPTP) - 1723
- RDP protocol and Terminal Services - 3389
CompTIA Security+ - Previous
Acronyms
Next - CompTIA Security+
Domain 1 - Threats, Attacks, & Vulnerabilities
Last modified 1yr ago
Copy link