{"id":63210,"date":"2022-09-08T13:57:46","date_gmt":"2022-09-08T13:57:46","guid":{"rendered":"\/tutorials\/?p=63210"},"modified":"2026-03-09T19:18:29","modified_gmt":"2026-03-09T19:18:29","slug":"https-port","status":"publish","type":"post","link":"\/ng\/tutorials\/https-port","title":{"rendered":"What is HTTPS Port 443? Definition, uses, and setup"},"content":{"rendered":"

An HTTPS port is a network endpoint used to securely transmit encrypted web traffic between a browser and a website server.<\/strong> The most commonly used HTTPS ports are 443 and 8443<\/strong>, which allow communication over encrypted protocols like SSL (Secure Sockets Layer) and TLS (Transport Layer Security).<\/p>

These ports are essential for protecting sensitive data and ensuring secure access to websites. In this guide, we’ll explain what HTTPS ports are<\/strong>, highlight how they differ from SSL certificates<\/strong>, and show how to enable or configure them<\/strong> on Windows, macOS, and Linux systems.<\/p>

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What Is an HTTPS Port<\/h2>\n

HTTPS ports are dedicated network ports that allow internet users to transmit data via a secure connection encrypted using an SSL\/TLS certificate. The most common examples are ports 443 and 8443.<\/p>\n <\/div>\n\n\n\n<\/p>

Differences Between SSL and HTTPS Port<\/h3>

The HTTPS protocol runs over an SSL certificate<\/a> installed on a web server. Although both work alongside each other, they serve as two different core factors in establishing an encrypted connection.<\/p>

An SSL certificate operates by authenticating a user’s identity when they attempt to send information. However, this technology is currently deprecated and replaced by TLS, which performs better than its predecessor.<\/p>

The main difference between HTTP vs. HTTPS<\/a> is that only the latter provides a secure channel where encrypted data is transmitted safely.<\/p>

To identify whether a website uses an SSL certificate, look at its URL and check if it contains an HTTPS extension and a padlock icon next to the domain name.<\/p>

Check out our tutorial to learn more about SSL\/TLS vs. HTTPS<\/a>.<\/p>

Most Common HTTPS Ports<\/h2>

In this section, we will discuss the most commonly used HTTPS ports – 443<\/strong> and 8443<\/strong>.<\/p>

Port 443<\/h3>

The Internet Engineering Task Force (IETF)<\/strong> recognizes the TCP<\/a> port number 443 as the default HTTPS protocol. It provides an encryption algorithm for exchanging information between web servers and browsers. HTTPS port 443 works by securing network traffic packets before the data transmission occurs.<\/p>

As a dedicated port for web browsing, it uses an SSL\/TLS certificate to encrypt the original text into an algorithm, then converts it to ciphertext before sending it to the server. This prevents unwanted eavesdropping and interception of data transmitted across the protocol.<\/p>

Port 8443<\/h3>

Port number 8443 is an alternative HTTPS port and a primary protocol that the Apache<\/strong> Tomcat<\/strong> web server utilizes to open the SSL text service.<\/p>

In addition, this port is primarily used as an HTTPS<\/strong> Client<\/strong> Authentication<\/strong> connection protocol.<\/p>

The HTTPS port provides encrypted traffic by generating an authentication key pair for the user that is kept within the web browser. The server will then verify the authenticity of the private key before establishing a secure connection.<\/p>

List of HTTPS Port Numbers<\/h3>

Here’s a list of some service names and transport protocol port registries from the Internet Assigned Numbers Authority (IANA)<\/strong>:<\/p>

Port <\/strong><\/td>Function<\/strong><\/td><\/tr>
443<\/td>HTTPS<\/td><\/tr>
631<\/td>Internet Printing Protocol over HTTPS (IPPS)<\/td><\/tr>
664<\/td>DMTF out-of-band secure web services management protocol<\/td><\/tr>
832<\/td>NETCONF for SOAP over HTTPS<\/td><\/tr>
1129<\/td>SAPHostControl over SOAP\/HTTPS<\/td><\/tr>
1184<\/td>LL Surfup HTTPS<\/td><\/tr>
2381<\/td>Compaq HTTPS<\/td><\/tr>
4036<\/td>WAP Push OTA-HTTPS<\/td><\/tr>
4849<\/td>App Server – Admin HTTPS<\/td><\/tr>
5443<\/td>Pearson HTTPS<\/td><\/tr>
5989<\/td>WBEM CIM-XML (HTTPS)<\/td><\/tr>
5990 <\/td>WBEM Export HTTPS<\/td><\/tr>
6443<\/td>Service Registry Default HTTPS Domain<\/td><\/tr>
6771<\/td>PolyServe HTTPS<\/td><\/tr>
7202<\/td>Inter-Channel Termination Protocol (ICTP) for multi-wavelength PON (Passive Optical Network Systems)<\/td><\/tr>
7443<\/td>Oracle Applications Server HTTPS<\/td><\/tr>
7677<\/td>Sun App Server HTTPS<\/td><\/tr>
8243<\/td>Synapse Non-Blocking HTTPS<\/td><\/tr>
8443<\/td>PCsync HTTPS<\/td><\/tr>
8991<\/td>Webmail HTTPS service<\/td><\/tr>
9295<\/td>ARMCenter HTTPS service<\/td><\/tr>
9443<\/td>WSO2 Tungsten HTTPS<\/td><\/tr>
9444<\/td>WSO2 ESB Administration Console HTTPS<\/td><\/tr>
16993<\/td>Intel(R) AMT SOAP\/HTTPS<\/td><\/tr>
20003<\/td>Commtact HTTPS<\/td><\/tr><\/tbody><\/table><\/figure>

Why Use an HTTPS Port<\/h2>

For website owners, utilizing a secure channel is essential. Here are four main reasons you should switch to an HTTPS port:<\/p>