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Common Ports

Security+ Common Ports

ProtocolPort
FTP Data Port (Active Mode) TCP 20
FTP Control Port TCP 21
SSH TCP 22
SCP (uses SSH) TCP 22
SFTP (Uses SSH) TCP 22
Telnet TCP 23
SMTP TCP 25
TACACS+ TCP 49
DNS Name Queries UDP 53
DNS Zone Transfer TCP 53
TFTP UDP 69
HTTP TCP 80
Kerberos UDP 88
SNMP UDP 161
SNMP Trap UDP 162
NetBIOS (TCP Rarely used) TCP/UDP 137
NetBIOS UDP 138 / TCP 139
IMAP4 TCP 143
LDAP TCP 389
HTTPS TCP 443
SMTP SSL/TLS TCP 465
IPsec (for VPN and IKE) UDP 500
LDAP/SSL TCP 636
LDAP/SSL TCP 636
IMAP SSL/TLS TCP 993
POP SSL/TLS TCP 995
L2TP UDP 1701
PPTP TCP 1723
RDP TCP/UDP 3389
Microsoft SQL Server TCP 1433
Created by: Rumisglass
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