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TCP UDP Ports

Common Ports

QuestionAnswer
A web server listens at what port when receiving request from HTTP? TCP port 80
AFP runs by default on TCP port: TCP port 548
An SNMP Agent receives requests on UDP port: UDP port 161
An SNMP management station receives SNMP notifications on which of the following UDP ports? UDP port 162
DHCP (Dynamic Host Configuration Protocol) runs on: UDP ports 67 and 68
FTP's Control Connection for administering a session is established through: TCP port 21
IMAP Secure listens at: Port 993
POP3 secure uses which port? port 995
POP3 uses TCP port 110
SMB and CIFS use which ports? Port 445
SMTP Mail server uses which port? TCP port 25
SMTP Secure listens at Port: port 465
SSH protocol runs on: TCP port 22
The default port for LDAP is: TCP port 389
Which of the following port numbers are reserved for NetBIOS services? Ports 137, 138 and 139
Which of the following ports is used by HTTPS? TCP port 443
Which of the following ports needs to be opened for the built-in Windows RDP server? TCP port 3389
Which of the following TCP port numbers is assigned to IMAP? TCP port 143
Which of the following TCP ports does Telnet use? TCP port 23
Which of the following UDP ports is assigned to DNS? UDP port 53
Which port enables FTP's Data Connection to send file data? TCP port 20
Which port number is used by SLP? Port 427
Created by: joeys2001
 

 



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