Created by Brent Jerdo
over 9 years ago
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Question | Answer |
FTP data port (Active Mode) | TCP 20 File Transfer Protocol |
FTP control port | TCP 21 File Transfer Protocol |
SSH | TCP 22 Secure Shell |
SCP (uses SSH) | TCP 22 Secure Copy |
SFTP (uses SSH) | TCP 22 Secure File Transfer Protocol |
Telnet | TCP 23 |
SMTP | TCP 25 Simple Network Management Protocol |
TACACS+ | TCP 49 Terminal Access Control Access-Control System+ |
DNS name queries | UDP 53 Domain Name System |
DNS zone transfer | TCP 53 Domain Name System |
TFTP | UDP 69 Trivial File Transfer Protocol |
HTTP | TCP 80 Hypertext Transfer Protocol |
Kerberos | UDP 88 |
POP3 | TCP 110 Post Office Protocol v3 |
SNMP | UDP 161 Simple Network Management Protocol |
SNMP trap | UDP 162 Simple Network Management Protocol |
NetBIOS (TCP rarely used) | TCP/UDP 137 |
NetBIOS | UDP 138 Network Basic Input/Output System |
NetBIOS | TCP 139 Network Basic Input/Output System |
IMAP4 | TCP 143 Internet Messaging Access Protocol v4 |
LDAP | TCP 389 Lightweight Directory Access Protocol |
HTTPS | TCP 443 Hypertext Transfer Protocol Secure |
SMTP SSL/TLS | TCP 465 Simple Mail Transfer Protocol |
IPSec (for VPN with IKE) | UDP 500 Internet Protocol security |
LDAP/SSL | TCP 636 Lightweight Directory Access Protocol |
LDAP/TLS | TCP 636 Lightweight Directory Access Protocol |
IMAP SSL/TLS | TCP 993 Internet Messaging Access Protocol v4 |
POP SSL/TLS | TCP 995 Post Office Protocol |
L2PT | UDP 1701 Layer 2 Tunneling Protocol |
PPTP | TCP 1723 Point-to-Point Tunneling |
RDP | TCP/UDP 3389 Remote Desktop Protocol |
Microsoft SQL Server | TCP 1433 |
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