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28 Cards in this Set

  • Front
  • Back

20 TCP

FTP (data in active mode)

21 TCP

FTP (Control)

22 TCP

SSH / SCP (secure copy) / SFTP (Secure File Transfer Protocol)

23 TCP

Telnet (Legacy)

25 TCP

SMTP (Simple mail transfer protocol)

49 TCP

TACACS+

53 TCP

DNS (Zone Transfers) (most used)

53 UDP

DNS client queries

69 UDP

TFTP

80 TCP

HTTP

88 UDP

Kerberos

110 TCP

POP3

137-139 TCP

NetBios

143 TCP

IMAP4

161-162 UDP

SNMP

389 TCP

LDAP

443 TCP

HTTPS

465 TCP

SMTP(SSL/TLS)

500 UDP

IPSec

636 TCP

LDAP (TLS/SSL)

993 TCP

Imap (SSL)

995 TCP

POP (SSL)

1433 TCP/UDP

Microsoft SQL

1701 UDP

L2TP

1723 TCP

PPTP

1812 TCP/UDP

RADIUS

3389 TCP

RDP

FTPS V SFTP

FTPS - FTP over SSL, requires certificate
SFTP - FTP over SSH