Net+ Ports Flashcards
Port 20
Protocol: Data
FTP
TCP
File transfer (unsecure)
Port 21
Protocol: Control
FTP
TCP
File transfer (unsecure)
Port 22
Protocol: SSH/SCP/SFTP
TCP
Secure connection/Secure file transfer
Port 23
Protocol: TELNET
TCP
Unsecure connections
Port 25
Protocol: SMTP
TCP
Outbound email
Port 49
Protocol: TACACS
TCP
Authentication service
Port 53
Protocol: DNS
TCP/UDP
Domain Name Service
Port 67
Protocol: Client to Server
DHCP IPV4
UDP
I.P. Management
Port 68
Protocol: Server to Client
DHCP IPV4
UDP
I.P. Management
Port 69
Protocol: TFTP
UDP
File transfer (unsecure)
Port 80
Protocol: HTTP
TCP
Web traffic (unsecure)
Port 88
Protocol: Kerberos
TCP
Authentication service
Port 110
Protocol: POP3
TCP
Inbound email through an email client
Port 119
Protocol: NNTP
TCP
News service
Port 123
Protocol: NTP
UDP
Network time synchronization
Port 137
Protocol: Client names
NETBIOS
UDP
Legacy protocol for legacy applications
Port 138
Protocol: Datagrams
NETBIOS
UDP
Legacy protocol for legacy applications
Port 139
Protocol: Sessions
NETBIOS
TCP
Legacy protocol for legacy applications
Port 143
Protocol: IMAP4
TCP
Inbound email via web browser
Port 161
Protocol: NMS to Agent
SNMPV3
UDP
Network management
Port 162
Protocol: Agent to NMS
SNMPV3
UDP
Network management
Port 389
Protocol: LDAP
TCP
Directory access (unsecure)
Port 443
Protocol: HTTPS
TCP
Web traffic (secure)
Port 445
Protocol: SMB/CIFS
TCP
File sharing
Port 500
Protocol: ISAKMP (IPSEC)
TCP
Encryption Key Management
Port 546
Protocol: Client to Server
DHCP IPV6
UDP
I.P. Managment
Port 547
Protocol: Server to Client
DHCP IPV6
UDP
I.P. Management
Port 636
Protocol: LDAPS
TCP
Directory access (secure)
Port 989
Protocol: Data
FTPS
TCP
File transfer (secure)
Port 990
Protocol: Control
FTPS
TCP
File transfer (secure)
Port 993
Protocol: IMAP4 over SSL
TCP
Secure email
Port 995
Protocol: POP3 over SSL
TCP
Secure email
Port 1701
Protocol: L2TP
TCP
Tunneling protocol
Port 1720
Protocol: H.323
TCP
Signaling protocol
Port 1723
Protocol: PPTP
TCP
Tunneling protocol
Port 1812
Protocol: Authentication
RADIUS
UDP
Authentication service
Port 1813
Protocol: Accounting
RADIUS
UDP
Authentication service
Port 2427
Protocol: MDC to Gateways
MGCP
TCP/UDP
Signaling protocol
Port 2727
Protocol: Gateways to MGC
MGCP
TCP/UDP
Signaling protocol
Port 3389
Protocol: RDP
TCP/UDP
Remote access for computers
Port 5004
Protocol: RTP
UDP
Transfers voice/video
Port 5005
Protocol: RTCP
UDP
Transfers voice/video
Port 5060
PRotocol: SIP (unsecure)
TCP/UDP
Signaling protocol
Port 5061
PRotocol: SIP (secure)
TCP/UDP
Signalling protocol
Port 5900
Protocol: VNC
TCP
Virtual Network Computing