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Security+ Ports

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catnip26's version from 2017-01-21 00:45

Section 1

Question Answer
FTP data port (active mode)TCP 20
FTP control portTCP 21
SSH TCP 22
SCP (uses SSH)TCP 22
SFTP (uses SSH)TCP 22
TelnetTCP 23
SMTPTCP 25
TACACS+TCP 49
DNS name queriesUDP 53
DNS zone queriesTCP 53
memorize

Section 2

Question Answer
TFTPUDP 69
HTTPTCP 80
KerberosUDP 88
POP3TCP 110
SNMPUDP 161
SNMP trapUDP 162
NetBIOS (TCP rarely used)(name service)TCP/UDP 137
NetBIOS (datagram service)UDP 138
NetBIOS (session service)TCP 139
IMAP4TCP 143
memorize

Section 3

Question Answer
LDAPTCP 389
HTTPSTCP 443
SMTP SSL/TLSTCP 465
IPsec (for VPN with IKE)UDP 500
LDAP/TLSTCP 636
LDAP/SSLTCP 636
IMAP SSL/TLSTCP 993
POP SSL/TLSTCP 995
L2TPUDP 1701
PPTPTCP 1723
Remote Desktop Protocol (RDP)TCP/UDP 3389
Microsoft SQL ServerTCP 1433
memorize

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