Ports And Protocols Flashcards
FTP: File Transfer Protocol- Transfer files with a remote host(typically requires authentication of user credentials)
20 & 21-TCP Port
SSH: Secure Shell- Securely connects to a remote host over an unsecured network
22: TCP Port
SFTP: Secure FTP- Provides file-transfer service over an SSH connection
22: TCP Port
FTPS: FTP Secure- FTP file-transfer service over Secure Socket Layer(SSL) or the more Secure Transport Layer Security(TLS)
989 & 990: TCP Port
989 & 990: UDP Port
Telnet- Uses to connect to a remote host (typically via a terminal emulator)
23: TCP Port
SMTP: Simple Mail Transfer Protocol- used for sending email
25: TCP Port
SMTP over SSL/TLS: Sending email securely using SSL or the more secure TLS
587: TCP Port
DNS: Domain Name System- Resolves domain names to corresponding IP addresses
53: TCP
53: UDP
TFTP: Trivial File Transfer Protocol- Transfer files with a remote host(doesn’t require authentication of user credentials)
69: UDP
DHCP: Dynamic Host Configuration Protocol- Dynamically assigns IP address information (for example, IP address, subnet mask, DNS server’s IP address, and default gateways IP address) to a network device
67: UDP
HTTP: Hypertext Transfer Protocol- Retrieves content from web server
80: TCP
HTTPS: Hypertext Transfer Protocol Secure- Secure HTTP transmission over an unsecured network using Secure Socket Layer (SSL) or the more secure option of Transport Layer Security (TLS)
443: TCP
POP3: Post Office Protocol version 3- Retrieves email from an email server
110: TCP
POP3 over SSL/TLS: Retrieves email from an email server while encrypting the email in transit using SSL or the more secure option of TLS
995: TCP
995: UDP
NTP: Network Time Protocol- Used by a network device to synchronize its clock with a time server (NTP server)
123: UDP
IMAP: Internet Message Access Protocol version 4- Allows the viewing of email on an email server
143: TCP
IMAP over SSL/TLS: Allows viewing of email on an email server while encrypting the email in transit using SSL or the more secure option of TLS
993: TCP
LDAP: Lightweight Directory Access Protocol- Provides directory services (for example, a user directory–including username, password, email, and phone number information) to network clients
389: TCP
LDAP over SSL/TLS: Secures directory services traffic using SSL or the more secure option of TLS
636: TCP
SNMP: Simple Network Management Protocol- Used to monitor, manage, and configure network devices. An SNMP agent receives requests on port 1??, and SNMP agents sends traps on port 1??
161 & 162: TCP
161 & 162: UDP
RDP: Remote Desktop Protocol- A Microsoft protocol that allows a user to view and control the desktop of a remote computer
3389: TCP
SIP: Session Initiation Protocol- A signaling protocol used to setup, monitor, and teardown multimedia calls. Commonly used by VoIP phones(e.g. voice and video calls). Port ???0 is commonly used for unencrypted calls, and port ???1 is commonly used to setup encrypted calls
5060 & 5061: TCP
5060 & 5061: UDP
H.323: An ITU-T recommendation that can setup and teardown multimedia calls (e.g. voice and video calls)
1720: TCP
SMB: Server Message Block- Used primarily in Microsoft networks for sharing resources (e.g. file resources) between devices
445: UDP
