Discover Every TCP & UDP Port Entry Covering Apps, Games & Services
Search through a comprehensive technical directory covering thousands of TCP and UDP ports, including services, protocols, apps, and games.
About This Comprehensive Port Directory
This site offers a complete directory of all 6,331 TCP and UDP port pages, spanning the entire numeric range from 0 to 65535. Each page is meticulously crafted to provide essential technical information that professionals and enthusiasts require for network configuration, troubleshooting, and security assessment.
In computer networking, a port number serves as a logical identifier that distinguishes different services or processes running on a single host. Combined with an IP address, it enables data to be directed to the correct application. Ports are essential for everything from web browsing and email to online gaming and remote administration, making an accurate reference invaluable.
Every port page in this directory includes the IANA-assigned service name, the associated protocol (TCP, UDP, or both), the port's category, common applications, and security notes. This information helps developers implement network features, system administrators monitor traffic, gamers optimize their router settings, and security engineers identify potential vulnerabilities.
The collection is organized according to the three official port ranges: well-known ports (0-1023) used by core services, registered ports (1024-49151) for applications, and dynamic or private ports (49152-65535) for ephemeral use. Additional groupings simplify navigation, covering categories such as web servers, email infrastructure, databases, gaming platforms, VPN solutions, and remote access tools.
Whether you are checking a specific port number, learning about lesser-known services, or seeking security advice, this reference is updated to ensure accuracy. The straightforward search and categorization structure allow quick access, making it a dependable everyday resource for networking professionals and curious users alike.
Most Used Ports
Locate the most frequently referenced network ports. Efficiently browse well-known ports for web serving, databases, email, remote access, games, and system utilities.
Essential Guide to TCP UDP Ports
for All Networks
What Exactly Is a Network Port?
A network port defines a numbered communication endpoint through which devices, applications and services exchange data over a network.
Port numbers extend from 0 to 65535. These numbers assist operating systems in channeling incoming and outgoing traffic to the appropriate application or service.
TCP ports are the go-to choice when dependable and sequenced data transmission is essential. UDP ports come into play when lower latency and speed take priority over reliability.
Find more information about network portsLocate Any Port
within a Minute
Type a port numeric value
Type a port numeric value like 80, 443, 3306, or 25565.
Look up by protocol name
The search feature also supports common names like HTTP, DNS, SSH, MySQL, and various other services.
Pick the correct entry
Go to the page for the matching TCP, UDP, or TCP/UDP port.
Review the technical specifications
Explore details about protocol type, service category, typical applications, and security considerations.
Find ports associated with this one
Move between associated services, overlapping port ranges, and linked protocols smoothly.
TCP
vs UDP
TCP and UDP serve as the two major transport-layer protocols. Although they share the identical port numbering space, they differ markedly in terms of reliability, ordering, and efficiency.
Common Queries Answered
Your Reliable Network Reference for Accuracy
A well-organized source of technical details aimed at developers, system administrators, gamers, and networking specialists.
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Locate TCP and UDP ports, services, applications, and protocols in a matter of seconds.