Network+ Port Numbers Latest 2023
Already Passed
SSH (Secure Shell) ✔✔TCP/22 - Encrypted console login
DNS (Domain Name System) ✔✔UDP/53 - Convert domain names to IP addresses
SMTP (Simple Mail Transfer Protocol) ✔✔T
...
Network+ Port Numbers Latest 2023
Already Passed
SSH (Secure Shell) ✔✔TCP/22 - Encrypted console login
DNS (Domain Name System) ✔✔UDP/53 - Convert domain names to IP addresses
SMTP (Simple Mail Transfer Protocol) ✔✔TCP/25 - Transfer email between mail servers
SFTP (Secure File Transfer Protocol) ✔✔TCP/22 - Secure file transfer
FTP (File Transfer Protocol) ✔✔TCP/20, TCP/21 - Sends and receives files between systems
TFTP (Trivial File Transfer Protocol) ✔✔UDP/69 - A very simple file transfer application. No
authentication
Telnet (Telecommunication Network) ✔✔TCP/23 - Remote console login to network devices
DHCP (Dynamic Host Configuration Protocol) ✔✔UDP/67, UDP/68 - Automated IP addressing
and configuration
HTTP (Hypertext Transfer Protocol) ✔✔TCP/80 - Web server communication
HTTPS (Hypertext Transfer Protocol Secure) ✔✔TCp/443 - Web server communication with
encryption
SNMP (Simple Network Management Protocol) ✔✔UDP/161 - Gather statistics and manage
network devices
RDP (Remote Desktop Protocol) ✔✔TCP/3389 - Graphical display of remote device
NTP ✔✔UDP/123 - Synchronize clocks
SIP (Session Initiation Protocol) ✔✔TCP/5060, 5061 - Voice over IP signaling protocol
SMB (Server Message Block) ✔✔TCP/445 - Windows file transfers and printer sharing
POP3 (Post Office Protocol version 3) ✔✔TCP/110 - Receive mail into a mail client
IMAP4 (Internet Message Access Protocol, version 4) ✔✔TCP/143 - A newer mail client
protocol
LDAP (Lightweight Directory Access Protocol) ✔✔TCP/389 - Communicate with network
directories
LDAPS (Lightweight Directory Access Protocol Secure) ✔✔TCP/636 - LDAP over SSL
H.323 - ITU Telecommunication H.32x protocol series ✔✔TCP/1720 - Voice over IP signaling
SCP (Secure Copy Protocol) ✔✔TCP/22 - Used for secure copy
Kerberos ✔✔TCP,UDP/88 - Used for network authentication using a system of tickets within a
Windows Domain
NNTP (Network News Transfer Protocol) ✔✔TCP/119 - Used to transport Usenet articles
RPC/DCOM-scm (Remote Procedure Call) ✔✔TCP,UDP/135 - Used to located DCOM ports
request a service from a program on another computer on the network
NetBIOS ✔✔TCP,UDP/137-139 - Used to conduct name querying, sending of data, and other
functions over a NetBIOS connection
SNMPTRAP (Simple Network Management Protocol Trap) ✔✔TCP,UDP 162 - Used to send
Trap and InformRequests to the SNMP Manager on a network
SMTP (with SSL/TLS) ✔✔TCP/465,587 - Simple Mail Transfer Protocol used to send email
over the Internet with an SSL and TLS secured connection
Syslog ✔✔UDP/514 - Used to conduct computer message logging, especially for routers and
firewall logs
LDAP (with SSL/TLS) ✔✔TCP,UDP/636 - Used to maintain directories of users and other
objects over an encrypted SSL/TLS connection
iSCSI (Internet Small Computer Systems Interface) ✔✔TCP/860 - Used for linking data storage
facilities over IP
FTPS (File Transfer Protocol Secure) ✔✔TCP/989,990 - Used to transfer files from host to host
over an encrypted connection
IMAP4 (with SSL/TLS) ✔✔TCP/993 - Used to receive email from a mail server over an
SSL/TLS encrypted connection
POP3 (with SSL/TLS) ✔✔TCP/995 - Used to receive email from a mail server using an
SSL/TLS encrypted connection
MS-sql-s (Microsoft SQL Server) ✔✔TCP/1433 - Used to receive SQL database queries from
clients
RADIUS (alternative) ✔✔UDP/1645,1646 - Used for authentication and authorization (1645)
and accounting (1646)
RADIUS ✔✔UDP/1812,1813 - Used for authentication and authorization (1812) and accounting
(1813)
FCIP (Fibre Channel over IP) ✔✔TCP,UDP/3225 - Used to encapsulate Fibre Channel frames
within TCP/IP packets
iSCSI Target ✔✔TCP/3260 - iSCSI Target is as the listening port for iSCSI-targeted devices
when linking data storage facilities over IP
Diameter ✔✔TCP/3868 - A more advanced AAA protocol that is a replacement for RADIUS
SYSLOG over TLS ✔✔TCP/6514 - It is used to conduct computer message logging, especially
for routers and firewall logs, over a TLS-encrypted connection
[Show More]