Study Port
DHCP - N/A
Port: 67/68
UDP ports 67 and 68 are used by the Dynamic Host Configuration Protocol (DHCP) for automatically assigning IP addresses to devices.
DNS - N/A
Port: 53
UDP port 53 is used for DNS queries (and TCP port 53 for zone transfers) to resolve domain names to IP addresses.
FTP Control - 🔴 (67%)
Port: 21
TCP port 21 is used for sending control commands (such as login and directory operations) between FTP client and server.
FTP Data Transfer - 🥇 (100%)
Port: 20
TCP port 20 is used for the data transfer portion of FTP, where the actual file contents are sent.
HTTP - N/A
Port: 80
TCP port 80 is used for the Hypertext Transfer Protocol (HTTP) for transferring web pages in plain text.
HTTPS - N/A
Port: 443
TCP port 443 is used for HTTPS, the secure version of HTTP, which encrypts web traffic using SSL/TLS.
ISAKMP - N/A
Port: 500
UDP port 500 is used by ISAKMP(Internet Security Association and Key Management Protocol) a vpn tunnel protocol
LDAP - N/A
Port: 389
TCP port 389 is used for the Lightweight Directory Access Protocol (LDAP) to access and manage directory information.
LDAPS - N/A
Port: 636
TCP port 636 is used for LDAP over SSL/TLS (LDAPS), which secures directory service communications.
Microsoft SQL Server - N/A
Port: 1433
TCP port 1433 is used for communication with Microsoft SQL Server databases.
NTP - N/A
Port: 123
UDP port 123 is used by the Network Time Protocol (NTP) to synchronize clocks on networked devices.
NetBIOS - N/A
Port: 137-139
Ports 137-139 are used for NetBIOS over TCP/IP for legacy file and printer sharing and network browsing.
RDP - N/A
Port: 3389
TCP port 3389 is used by the Remote Desktop Protocol (RDP) to provide remote desktop access to Windows machines.
SIP - N/A
Port: 5060/5061
TCP ports 5060 and 5061 are used by the Session Initiation Protocol (SIP) for establishing and controlling voice and video calls.
SMB/CIFS - N/A
Port: 445
TCP port 445 is used for the Server Message Block (SMB) protocol (also known as CIFS) for file and printer sharing in Windows networks.
SMTP - N/A
Port: 25
TCP port 25 is used for the Simple Mail Transfer Protocol (SMTP) to send emails between servers in plain text.
SMTP with TLS - N/A
Port: 587
TCP port 587 is commonly used for SMTP submissions secured with TLS encryption.
SMTP with TLS - N/A
Port: 587
TCP port 587 is used by Simple Mail Transfer Protocol using TLS encryption for sending secure email exchanges
SNMP - N/A
Port: 161
UDP port 161 is used by the Simple Network Management Protocol (SNMP) to query devices for management and monitoring purposes.
SNMP Trap - N/A
Port: 162
UDP port 162 is used for SNMP traps, which are unsolicited alert messages sent by devices.
SSH / SFTP - N/A
Port: 22
TCP port 22 is used for Secure Shell (SSH), which provides a secure terminal connection, and for SFTP, which uses SSH for secure file transfers.
Syslog - N/A
Port: 514
UDP port 514 is used for Syslog, the protocol used to send log messages from network devices to a central log server.
TFTP - N/A
Port: 69
UDP port 69 is used by the Trivial File Transfer Protocol (TFTP) for simple, unauthenticated file transfers.
Telnet - N/A
Port: 23
TCP port 23 is used by Telnet for remote, unencrypted terminal sessions.
Back