{"id":7065,"date":"2025-12-02T19:22:35","date_gmt":"2025-12-02T13:52:35","guid":{"rendered":"https:\/\/www.host.co.in\/blog\/?p=7065"},"modified":"2026-03-30T18:02:47","modified_gmt":"2026-03-30T12:32:47","slug":"what-is-the-https-port-number-understanding-port-80-and-port-443","status":"publish","type":"post","link":"https:\/\/www.host.co.in\/blog\/what-is-the-https-port-number-understanding-port-80-and-port-443\/","title":{"rendered":"What Is the HTTPS Port Number? Understanding Port 80 and Port 443"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Almost 95% of all web pages that load in Chrome now use the HTTPS protocol. You may have noticed that browsers are marking websites \u201cnot secure\u201d for using default HTTP port, i.e., port 80.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you want to avoid the \u201cnot secure\u201d warning for your website and keep your website safe and running smoothly, along with the <\/span><a href=\"https:\/\/www.host.co.in\/hosting\/linux-hosting\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">best Linux hosting<\/span><\/a><span style=\"font-weight: 400;\">, there are 3 things you need to know:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">What is port number of HTTP<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">What is port number for HTTPS<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Why port 443 is the backbone of secured communication.\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">&amp; if you don&#8217;t know this, keep on reading. <\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">This article will take you through <\/span><strong>what is HTTP port number, what is HTTPS port number, port 80, port 443<\/strong><span style=\"font-weight: 400;\">, how the HTTPS protocol port number works, and why they are so important for keeping your website secure.<\/span><\/p>\n<h2>What Is a Port Number? A Brief Overview<\/h2>\n<p><span style=\"font-weight: 400;\">A port number is a numerical identifier that helps your device communicate with the right service on a server. When you visit a website, your browser uses a specific port to send and receive data. For example, the <\/span><strong>HTTP protocol port number<\/strong><span style=\"font-weight: 400;\"> 80 is used for regular, unsecured communication.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">On the other hand, secure websites rely on the HTTPS protocol port 443. This HTTPS port number is also called the SSL port because it works with <\/span><a href=\"https:\/\/www.host.co.in\/blog\/the-purpose-of-ssl-certificate-and-the-need-for-it\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">SSL<\/span><\/a><span style=\"font-weight: 400;\"> or TLS encryption. Each time when you try to visit an HTTPS website, your browser depends on the HTTPS TCP port number to start a secure communication.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In situations where port 443 is not accessible, ports like 8443 can still support secure communication. Learning about these ports gives you a clearer picture of how browsers route <\/span><a href=\"https:\/\/www.host.co.in\/blog\/increase-website-traffic-in-4-steps\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">website traffic<\/span><\/a><span style=\"font-weight: 400;\"> and keep your data protected.<\/span><\/p>\n<h2>What Is the HTTP Port?<\/h2>\n<p><span style=\"font-weight: 400;\">HTTP stands for Hypertext transfer protocol, all the data transfer on the internet is possible because of it, as it is a standard entry point used by web browsers and web servers to communicate. In simple words you can say that it is a set of rules that lets your browser ask a server for webpages, pictures, scripts and other content.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For HTTP, this port is almost always port 80 used for unencrypted web traffic.\u00a0\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>What Is the Default Port Number for HTTP<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Port 80 is the default port for Hypertext Transfer Protocol (HTTP), and it has been the standard since the internet first started. Your browser will automatically use HTTP port number 80 to load the page if you type in a website address without a port number.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Given that HTTP doesn\u2019t encrypt data, any information transferred through the port 80 is unsafe as it is sent in plain text. For this reason, present day websites choose HTTPS protocol, to secure another port and keep your connection secure.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Knowing everything about HTTP protocol can help you understand why many websites are moving away from using only port 80 and instead using encrypted communication.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>How HTTP Works Over Port 80<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">HTTP works by sending a request from your browser to a web server using port 80. The server handles the request and sends back a response with the resource or webpage. HTTP is a stateless protocol, which means that each request is separate. This makes communication faster but less secure than HTTPS.<\/span><\/p>\n<h2>What Is the HTTPS Port?<\/h2>\n<p><span style=\"font-weight: 400;\">HTTPS basically refers to Hypertext Transfer Protocol Secure.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">HTTPS is a safer version of HTTP, which is the protocol that sends data between your browser and the website you are connected to. The &#8220;S&#8221; in HTTPS stands for &#8220;Secure.&#8221; This means that all communication between your browser and the website is encrypted so that no one can listen in, change, or steal your data.<\/span><\/p>\n<ul>\n<li>\n<h3>What Is the Port Number of HTTPS?<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Port 443 is where HTTPS mostly works. HTTP, on the other hand, works on port 80. These ports let web traffic in:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Port 80 (HTTP) takes care of web traffic that isn&#8217;t encrypted.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Port 443 (HTTPS) is for safe, encrypted web traffic.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To keep your website safe and set up your server correctly, you need to know these port numbers.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>How HTTPS Works Over Port 443<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">HTTPS makes use of SSL and TLS to encrypt or secure the data. When you visit an HTTPS website, the server sends your browser a digital certificate that proves the website&#8217;s identity. This makes sure:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Your information is safe and private.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">You can trust the website.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">During transmission, the integrity of the data is maintained.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This encryption is very important when dealing with personal information, passwords, credit card numbers, or other sensitive data.<\/span><\/p>\n<h2>Important Features of HTTP<\/h2>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>Stateless<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Every HTTP request is seen as a separate and new transaction. Without cookies or other ways to keep track of state, the server doesn&#8217;t remember information from previous requests.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>Connectionless<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">After a browser sends a request and receives a response, the connection between the client and server is usually closed. This is a key feature of the application layer, even though it works over a transport layer that is based on connections, like TCP.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>Flexible<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Using headers, web clients and servers can agree on new information and commands, which lets you add new features.<\/span><\/p>\n<h2>Important Features of HTTPS<\/h2>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>Safety<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The most important thing is safety! The HTTPS port number gives you that. HTTPS gives you a safe and private connection. It can stop these kinds of attacks in addition to providing authentication, privacy, and security.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>Reliability<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Visitors can trust an encrypted DNS port because they know that their private information, like passwords, browsing histories, account details, and more, will not be compromised.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h3>Improving Rankings<\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Getting higher ranks on Google and other search engines is easier with secured websites! What else do you need? Register your domain and install an <\/span><a href=\"https:\/\/www.host.co.in\/blog\/understand-the-importance-of-ssl-certificate-in-online-business\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">SSL certificate<\/span><\/a><span style=\"font-weight: 400;\">. That&#8217;s the phrase you should use to get more people to visit your website.<\/span><\/p>\n<h2>HTTP vs HTTPS: Key Differences<\/h2>\n<p><span style=\"font-weight: 400;\">This is a simple and clear comparison of the HTTP and HTTPS protocols, that makes them different, and why it matters.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>Category<\/strong><\/td>\n<td><strong>HTTP<\/strong><\/td>\n<td><strong>HTTPS<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Full Form<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Hypertext Transfer Protocol<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Hypertext Transfer Protocol Secure<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Security<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">No SSL\/TLS. Data is sent as plain text.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Uses SSL\/TLS. Your data stays secure.<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Port Number<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Uses port 80<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Uses port 443<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Working Layer<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Application layer<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Transport layer (with an extra layer of protection)<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>SSL Certificate<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Not required. Data is not protected.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Required. Data is protected.<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>SEO Impact<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Doesn\u2019t improve SEO ranking.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Preferred by Google. It helps to boost your SEO ranking.<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Safe for Online Transactions<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Not safe for online payments or sensitive information.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Necessary for online transactions and user trust.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><\/h2>\n<h2>What does HTTPS do to encrypt data when it is sent over a network?<\/h2>\n<p><span style=\"font-weight: 400;\">When you use HTTPS to visit a website, SSL\/TLS protocols encrypt the data that your browser and the web server send back and forth.<\/span><\/p>\n<p><strong>Handshake:<\/strong><span style=\"font-weight: 400;\"> First, your web browser and the server agree on a safe connection. They exchange encryption keys so that both sides can encrypt and decrypt the data.<\/span><\/p>\n<p><strong>Encryption:<\/strong> <span style=\"font-weight: 400;\">After the connection is made, all of your data, such as your login info, personal info, or payment info, is scrambled so that anyone who sees it sees random characters instead of your real data.<\/span><\/p>\n<p><strong>Decryption:<\/strong> <span style=\"font-weight: 400;\">With the help of encryption keys, both your browser and the server decode the protected data and restore it to a readable form, ensuring it reaches you safely.<\/span><\/p>\n<h2>Why is HTTPS Important for Website Security?<\/h2>\n<p><span style=\"font-weight: 400;\">HTTPS strongly influences the security of your websites. Port 80 doesn&#8217;t encrypt your data and sends it in plain text, but SSL\/TLS does.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This protocol also helps build trust with your audience. When a website is loaded over the HTTP port or still uses the old HTTP protocol port number, the most recent web browsers will immediately warn users. These notifications make them aware of the unsecure website, especially when they have to enter personal information, passwords, or payment information. Changing to HTTPS and using the right HTTPS TCP port number can help make sure that everyone who visits your website thinks it is safe and trustworthy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Besides security, HTTPS has now become a necessity for higher performance and online visibility. Search engines, such as Google, prefer secure websites, and many online services only work when the website uses the https port number correctly.<\/span><\/p>\n<h2>Alternate HTTPS Ports When Port 443 Is Not Available<\/h2>\n<p><span style=\"font-weight: 400;\">Did you think there were only two HTTPS ports? You\u2019re wrong! There are more registries on the IANA list. Below are some of them and what they do:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">443\u00a0 \u00a0 &#8211;\u00a0 HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">631\u00a0 \u00a0 &#8211;\u00a0 Internet Printing Protocol<\/span><\/li>\n<li><span style=\"font-weight: 400;\">2381\u00a0 &#8211;\u00a0 IANA-registered port for Compaq HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">4036\u00a0 &#8211;\u00a0 WAP Push OTA-HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">4849\u00a0 &#8211;\u00a0 Application Server HTTPS Admin Port<\/span><\/li>\n<li><span style=\"font-weight: 400;\">5443\u00a0 &#8211;\u00a0 Web-based administration and management interfaces<\/span><\/li>\n<li><span style=\"font-weight: 400;\">5989\u00a0 &#8211;\u00a0 Web-Based Enterprise Management (WBEM) protocol (CIM-XML)<\/span><\/li>\n<li><span style=\"font-weight: 400;\">5990\u00a0 &#8211;\u00a0 WBEM Export HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">6443\u00a0 &#8211;\u00a0 Associated with the Kubernetes API Server.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">6771\u00a0 &#8211;\u00a0 PolyServe HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">7202\u00a0 &#8211; ICTP (Inter-Channel Termination Protocol) for multi-wavelength PON (Passive Optical Network Systems)<\/span><\/li>\n<li><span style=\"font-weight: 400;\">7443\u00a0 &#8211;\u00a0 Alternate HTTPS port for secure connections to application servers<\/span><\/li>\n<li><span style=\"font-weight: 400;\">9443\u00a0 &#8211;\u00a0 Alternate HTTPS port for admin interfaces<\/span><\/li>\n<li><span style=\"font-weight: 400;\">9444\u00a0 &#8211;\u00a0 WSO2 ESB Administration Console&#8217;s HTTPS interface<\/span><\/li>\n<li><span style=\"font-weight: 400;\">16993 &#8211; Standard port for Intel\u00ae Active Management Technology (AMT) SOAP\/HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">20003 &#8211; Comtact HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">7677\u00a0 &#8211;\u00a0 Sun App Server HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">8243\u00a0 &#8211;\u00a0 Non-standard HTTPS listener port for applications like Apache Synapse and WSO2 API Manager<\/span><\/li>\n<li><span style=\"font-weight: 400;\">8443\u00a0 &#8211; Used when the standard port 443 is unavailable or blocked<\/span><\/li>\n<li><span style=\"font-weight: 400;\">8991\u00a0 &#8211; Webmail HTTPS service and default port for the Jetty server in Adobe ColdFusion 2018<\/span><\/li>\n<li><span style=\"font-weight: 400;\">9295\u00a0 &#8211;\u00a0 ARMCenter HTTPS service<\/span><\/li>\n<li><span style=\"font-weight: 400;\">664\u00a0 \u00a0 &#8211; Used for secure remote management protocols like DMTF out-of-band secure web services management protocol<br \/>\n<\/span><\/li>\n<li><span style=\"font-weight: 400;\">832\u00a0 \u00a0 &#8211;\u00a0 NETCONF for SOAP over HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">1129\u00a0 &#8211;\u00a0 SAPHostControl over SOAP\/HTTPS<\/span><\/li>\n<li><span style=\"font-weight: 400;\">1184\u00a0 &#8211; llsurfup-https<\/span><\/li>\n<\/ul>\n<h2>Conclusion<\/h2>\n<p><span style=\"font-weight: 400;\">It becomes easier to keep your website secure once you understand what is HTTPS port number, what is HTTP port number, how they work and compare to each other. If you want to enjoy a seamless and secure hosting experience, <\/span><a href=\"https:\/\/www.host.co.in\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">host.co.in<\/span><\/a><span style=\"font-weight: 400;\"> provides SSL- enabled hosting plans, faster performance, and 24\/7 priority support. So, what are you waiting for? Give your website a strong and secure foundation today.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Almost 95% of all web pages that load in Chrome now use the HTTPS protocol. You may have noticed that browsers are marking websites \u201cnot secure\u201d for using default HTTP port, i.e., port 80.\u00a0 If you want to avoid the \u201cnot secure\u201d warning for your website and keep your website safe and running smoothly, along [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":7518,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2498,2483],"tags":[],"class_list":["post-7065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-popular-articles","category-web-servers"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Learn the difference between Port 80 (HTTP) and Port 443 (HTTPS), why HTTPS matters for your enterprise network security and how to avoid &quot;not secure&quot; warning.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Pooja Patil\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.host.co.in\/blog\/what-is-the-https-port-number-understanding-port-80-and-port-443\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Host.co.in Blog: Expert Insights on Web Hosting, Servers, and Digital Growth | Latest Technology Blogs\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Difference Between Port 80 (HTTP) and Port 443 (HTTPS)\" \/>\n\t\t<meta property=\"og:description\" content=\"Learn the difference between Port 80 (HTTP) and Port 443 (HTTPS), why HTTPS matters for your enterprise network security and how to avoid &quot;not secure&quot; warning.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.host.co.in\/blog\/what-is-the-https-port-number-understanding-port-80-and-port-443\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-12-02T13:52:35+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-03-30T12:32:47+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/host.co.in.india\/\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@hostindia\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Difference Between Port 80 (HTTP) and Port 443 (HTTPS)\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Learn the difference between Port 80 (HTTP) and Port 443 (HTTPS), why HTTPS matters for your enterprise network security and how to avoid &quot;not secure&quot; warning.\" \/>\n\t\t<meta name=\"twitter:creator\" content=\"@hostindia\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.host.co.in\\\/blog\\\/what-is-the-https-port-number-understanding-port-80-and-port-443\\\/#article\",\"name\":\"Difference Between Port 80 (HTTP) and Port 443 (HTTPS)\",\"headline\":\"What Is the HTTPS Port Number? 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