Common Ports 1.1 Flashcards
Learn the common needed ports
What does ICMP stand for , what port is it on and what does it do?
Stands for “internet control message protocol” and is respondable for generating errors to source ips. Is it mainly used by routers to help network admins.
What does SMTP stand for, what port does it use and what does it do?
Stands for “simple mail transfer transfer” and runs on port 25, it is responsable for server to server mail transfer and to send mail from a device to a server.
What does SFTP stand for, what port does it use and what does it do?
Stands for “secure file transfer protocol” and uses ssh for secure file transfer. It typically runs on port 22
What does FTP stand for, what port does it use and what does it do?
Stands for “file transfer protocol” and does unencrypted file transfer. Typically uses port 21.
What does TFTP stand for, what port does it use and what does it do?
Stands for “trivial file transfer protocol” and is a simple version of FTP that has no authentication. Typically runs on udp port 69.
What does DHCP stand for, what port does it use and what does it do?
Stands for “Dynamic host configuration protocol” and is in charge of automatically assigning ip addresses on the network to devices via there mac address. Uses udp port 67/68 and requires a DHCP server
What does SNMP stand for, what port does it use and what does it do?
Stands for “Simple network management protocol” and is used to gather stats from network devices. Typically uses udp port 161.
V1: structured tables, unencrypted.
V2: data type enhancements, bulk transfers, unencrypted.
V3: Message integrity, authentication, encrypted.
What does RDP stand for, what port does it use and what does it do?
Stands for “Remote desktop protocol” and is used to remote control a desktop. typically uses port 3389.
What does NTP stand for, what port does it use and what does it do?
Stands for “Network time protocol” and is used to sync the times on routers, firewalls, servers and workstations to an accuracy better then 1 millisecond. Typically uses udp port 123.
What does SIP stand for, what port does it use and what does it do?
Stands for “Session initiation protocol” and is used for voice over IP. It can call, ring and hang up as well as do instant messaging and video conferencing. Typically uses port 5060 and 5061.
What does SMB stand for, what port does it use and what does it do?
Stands for “server message block” and is ran on Windows for file and share printing. Is also called CIFS(command internet file system) and uses port 445.
What does HTTPS stand for, what port does it use and what does it do?
Stands for “hypertext transfer protocol” and is used for serving web pages. typically uses port 443.
What does POP3 stand for, what port does it use and what does it do?
Stands for “Post office protocol 3” and is used to receive emails from an email server. it has authentication and basic mail transfer functionality. Typically uses port 110.
What does IMAP4 stand for, what port does it use and what does it do?
Stands for “Internet message access protocol” and is used to receive emails from a email server and manage email inboxes from multiple clients. Typically uses port 143.
What does LDAP stand for, what port does it use and what does it do?
Stands for “lightweight directory access protocol” and is used to access information in a network directory. Typically uses port 389.
