{"id":19335,"date":"2025-03-18T11:13:59","date_gmt":"2025-03-18T15:13:59","guid":{"rendered":"https:\/\/www.knownhost.com\/blog\/?p=19335"},"modified":"2026-02-17T08:13:58","modified_gmt":"2026-02-17T13:13:58","slug":"how-to-secure-a-server","status":"publish","type":"post","link":"https:\/\/www.knownhost.com\/blog\/how-to-secure-a-server\/","title":{"rendered":"How to Secure a Server"},"content":{"rendered":"\n<p>A <a href=\"https:\/\/www.knownhost.com\/blog\/quick-guide-buy-dedicated-server\/\">secure server<\/a> is essential. To ignore it is to leave a large, exposed target on your data for cybercriminals to exploit. Secure servers are the first line of defense against DDoS attacks, data breaches, and more.<\/p>\n\n\n\n<p>In this article, KnownHost defines exactly what server security means and why it\u2019s useful and offers a step-by-step guide on how to secure a server hosting services for peace of mind.<\/p>\n\n\n\n<div class=\"wp-block-group has-background is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\" style=\"background-color:#e9f4ff\">\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer wp-container-content-9d25eabc\"><\/div>\n\n\n\n<p><strong>Table of Contents<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#`\">What Is a Secure Server?<\/a><\/li>\n\n\n\n<li><a href=\"#2\">Why Are Secure Servers Necessary?<\/a><\/li>\n\n\n\n<li><a href=\"#3\">How to Install an SSL Certificate<\/a><\/li>\n\n\n\n<li><a href=\"#4\">How To Secure a Server<\/a><\/li>\n\n\n\n<li><a href=\"#5\">FAQs<\/a><\/li>\n<\/ul>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer wp-container-content-9d25eabc\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1\"><strong><br>What Is a Secure Server?<\/strong><\/h2>\n\n\n\n<p>Secure servers\u2014also referred to as <a href=\"https:\/\/www.knownhost.com\/blog\/what-are-ssl-certificates\/\">Secure Sockets Layer (SSL) servers<\/a>\u2014use SSL protocols to encrypt all communication over the internet. This acts as a shield against unidentified users trying to access that server.<\/p>\n\n\n\n<p>Secure servers communicate between web servers and web browsers using end-to-end encryption to keep commands secure. While most servers offer some level of security in the form of login details, SSL servers take that security a step further by scrambling data into a code only decipherable by a digital decrypting key\u2014usually available at the data\u2019s intended destination.<\/p>\n\n\n\n<p>SSL servers require client authentication when connecting to the server\u2014and this is how <a href=\"https:\/\/www.ibm.com\/think\/topics\/cryptography\">informational cryptography<\/a> takes place.<\/p>\n\n\n\n<p>For example, if a customer tried to access an e-commerce website operating on a server without an SSL, their credit card information would travel across the web completely unprotected when they purchased an item.<\/p>\n\n\n\n<p>Now imagine that the server has an SSL. The user must first authenticate who they are to access the server. Their credit card information is then sent to the server encrypted, and the server is the only point at which a digital decryption key can be used to interpret that information for processing. This makes the act of site-to-server communication secure.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/secure-image-1024x576.jpg\" alt=\"image showing secure servers\" class=\"wp-image-19338\" srcset=\"https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/secure-image-1024x576.jpg 1024w, https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/secure-image-300x169.jpg 300w, https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/secure-image-768x432.jpg 768w, https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/secure-image-1536x864.jpg 1536w, https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/secure-image-2048x1152.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2\"><strong><br>Why Is a Secure Server Necessary?<\/strong><\/h2>\n\n\n\n<p>Secure servers are necessary to protect confidential information from data breaches that can open both the company and users to the risk of fraud.<\/p>\n\n\n\n<p>Server security is especially important when handling sensitive information like money, personal identification, and medical records, or any data that could be used to blackmail or extort a user.<\/p>\n\n\n\n<p>Below is a list of advantages that a secure server hosting infrastructure can provide:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Less chance of server failure.<\/li>\n\n\n\n<li>Protects against cyberattacks (DDoSing, data breaches, etc.).<\/li>\n\n\n\n<li>Protects against fraud.<\/li>\n\n\n\n<li>Prevents hardware crashes.<\/li>\n\n\n\n<li>Protection against the loss of data.<\/li>\n<\/ul>\n\n\n\n<p><em>KnownHost provides secure website hosting services to give you complete peace of mind over data confidentiality and compliance for your website and its visitors.<\/em><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-custom-font-size wp-element-button\" href=\"https:\/\/www.knownhost.com\/compare\/web-hosting\" style=\"font-size:16px\"><strong>COMPARE OUR PACKAGES<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3\"><strong>How to Install an SSL Certificate<\/strong><\/h2>\n\n\n\n<p>An <a href=\"https:\/\/www.knownhost.com\/blog\/what-are-ssl-certificates\/\">SSL certificate<\/a> is a form of digital identification that authenticates a website\u2019s identity and allows a user to form an encrypted connection.<\/p>\n\n\n\n<p>SSL certificates are especially important for any website that requires financial transactions, as the use of a secure socket layer keeps precious financial information secure from cyber-attacks.<\/p>\n\n\n\n<p>Here, KnownHost explains how to install an SSL certificate:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 1: Generate a CSR<\/strong><\/h3>\n\n\n\n<p>An SSL certificate is purchased through a web hosting service. A certificate signing request (CSR) then needs to be generated for the user\u2019s domain name.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 2: Request an SSL Certificate<\/strong><\/h3>\n\n\n\n<p>The next step is to request an SSL certificate from a web hosting provider using a CSR.<\/p>\n\n\n\n<p>There are different types of SSL certificates depending on the type of website being hosted and the hosting provider. Options provided by web hosting providers vary and it\u2019s best practice to research a web hosting provider before requesting an SSL certificate.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 3: Install the SSL Certificate<\/strong><\/h3>\n\n\n\n<p>Next, simply download the SSL certificate files and install them via any available web tools (cPanel, Apache, Microsoft IIS). KnownHost also offers <a href=\"https:\/\/www.knownhost.com\/ssl-certificates\">AutoSSL<\/a>, which automatically installs Domain-Validated (DV) SSL certificates for your domains, simplifying the process .<\/p>\n\n\n\n<p>Once the new certificate is installed, use a web tool to redirect users toward the new secure HTTPS domain.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 4: Check Settings<\/strong><\/h3>\n\n\n\n<p>Once the SSL certificate has been successfully installed, it\u2019s best to test the website connection to ensure that the web address is being directed toward the correct secured page.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/guys-standing-around-1024x576.jpg\" alt=\"\" class=\"wp-image-19339\" srcset=\"https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/guys-standing-around-1024x576.jpg 1024w, https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/guys-standing-around-300x169.jpg 300w, https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/guys-standing-around-768x432.jpg 768w, https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/guys-standing-around-1536x864.jpg 1536w, https:\/\/www.knownhost.com\/blog\/wp-content\/uploads\/2025\/03\/guys-standing-around-2048x1152.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4\"><br><strong>How To Secure a Server<\/strong><\/h2>\n\n\n\n<p>Here, KnownHost offers additional tips on securing a server to prevent unauthorized access and compromised data:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 1: Create a Strong Password<\/strong><\/h3>\n\n\n\n<p>The first step to creating a secure server involves choosing a strong password.<\/p>\n\n\n\n<p>Secure passwords should be a minimum of 12 characters long and include lowercase letters, uppercase letters, numbers, and special characters like question marks or exclamation marks. This makes it difficult for any password-hacking software to correctly guess the right password.<\/p>\n\n\n\n<p>While many people use passwords with memorable words, this is best avoided as it makes it possible to guess a potential server password by knowing personal information.<\/p>\n\n\n\n<p>Instead, the password should ideally be a string of random characters and no two passwords should be the same. It\u2019s best to use a password manager if remembering passwords becomes unmanageable without writing them down.<\/p>\n\n\n\n<p>Change the password regularly for additional peace of mind.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 2: Implement Two Factor Authentication<\/strong><\/h3>\n\n\n\n<p>Two-factor authentication is another essential tool in mitigating the risk to server security.<\/p>\n\n\n\n<p>This requires a user to provide a second layer of authentication in addition to a password\u2014usually in the form of an input code sent to a verified device that changes every thirty seconds. Other types of two-factor authentication include fingerprints and retinal scans.<\/p>\n\n\n\n<p>Two-factor authentication provides an additional hurdle that any potential security threat must overcome to gain access to the server or its data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 3: Set Up an SSH Key Pair<\/strong><\/h3>\n\n\n\n<p>A secure shell key pair (SSH) helps a user maintain a secure connection to a server and mitigate the threat of cyber-attacks.<\/p>\n\n\n\n<p>An SSH is a pair of private, encrypted keys that are used to authenticate and establish a connection between a client and a remote machine.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 4: Update Servers<\/strong><\/h3>\n\n\n\n<p>Server updates always include a set of hotfixes, patching recent security flaws that bug testers have uncovered.<\/p>\n\n\n\n<p>It\u2019s essential to keep the server updated so new fixes can be applied to avoid weaknesses that could be exploited by malicious actors. KnownHost offers Patchman, an add-on for Shared, Reseller, and Semi-Dedicated hosting services, which automatically patches security vulnerabilities without disrupting your site .<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 5: Apply a Firewall<\/strong><\/h3>\n\n\n\n<p>A firewall is a security system that acts as a barrier to a private network, allowing only authorized users to gain access while unauthorized IP addresses will be blocked.<\/p>\n\n\n\n<p>Any trusted IP can be manually granted access to the server, but malicious hackers can use all server ports to gain access, so as an additional layer of security, be sure to close all unused ports.<\/p>\n\n\n\n<p>Firewalls are the perfect protection against DDoS attacks, as they immediately refuse access to unauthorized IP addresses preventing a surge in unauthorized server traffic.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 6: Limit Root Access<\/strong><\/h3>\n\n\n\n<p>Also known as server \u2018admin\u2019 access, root access is a set of credentials that grant the most privileges possible on a server. If root access to a server is compromised, the entire system may be put at risk.<\/p>\n\n\n\n<p>This is why it\u2019s important to avoid using a root access profile whenever possible, and instead, grant superuser access to individual profiles.<\/p>\n\n\n\n<p>This means, if the new superuser profile is comprised, admin rights can be taken away from that profile without permanently compromising the entire system.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 7: Use VPNs and Private Networks<\/strong><\/h3>\n\n\n\n<p>Open networks are more vulnerable to cyber-attacks, so ensure a server has a virtual private network (VPN).<\/p>\n\n\n\n<p>VPNs help restrict access to certain users, further narrowing down the window of attack for most online fraudsters.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 8: Set Up a Multi-Server Environment<\/strong><\/h3>\n\n\n\n<p>One of the best ways to secure a server is to turn it into a multi-server environment by isolating applications on separate servers and reserving some of these environments for the storage of sensitive data.<\/p>\n\n\n\n<p>This means that, if the application server is compromised, for example, hackers still cannot access sensitive data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 9: Use a Dedicated Server<\/strong><\/h3>\n\n\n\n<p>Dedicated servers are isolated from other servers, which increases their security in comparison to shared servers.<\/p>\n\n\n\n<p>They\u2019re essential for protecting sensitive data and increasing the effects of server optimization, with the added ability to configure and customize the environment. KnownHost offers top-of-the-line storage packages to provide an additional level of external backup for your dedicated server, enhancing data security .<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Looking for secure web hosting services without the hassle of manually configuring a server?<\/strong>&nbsp;<\/h3>\n\n\n\n<p>KnownHost provides fully managed hosting solutions designed to take the complexity out of server security. Every hosting plan includes<strong> AutoSSL installation<\/strong>, enabling HTTPS encryption without manual configuration, and supports <strong>SSH access<\/strong> and <strong>Two-Factor Authentication<\/strong> for secure server management.<\/p>\n\n\n\n<p>To defend against threats like malware and vulnerabilities, KnownHost offers <strong><a href=\"https:\/\/www.knownhost.com\/kb\/software-addons\/\">Imunify360<\/a><\/strong>, an advanced security suite that includes a web application firewall (WAF), intrusion detection, malware scanning, and proactive defense. For added safety, our <strong>Patchman<\/strong> service automatically detects and patches security vulnerabilities in applications like WordPress, reducing the risk of exploitation.<\/p>\n\n\n\n<p>When it comes to protecting data, KnownHost includes firewall protection, daily backups, and optional external backup storage for Dedicated Server users. With root access restrictions, support for VPNs, and the ability to configure multi-server environments through <a href=\"https:\/\/www.knownhost.com\/vps-hosting\">VPS or Dedicated hosting<\/a>, KnownHost makes enterprise-grade server security accessible to any business.<\/p>\n\n\n\n<p>All plans are backed by 24\/7 expert support, meaning you\u2019re never alone in managing or troubleshooting your server\u2019s security\u2014so you can focus on your business while we handle the defenses.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5\"><strong>Frequently Asked Questions (FAQs)<\/strong><\/h2>\n\n\n\n<p><strong>Q: What are the types of secure servers?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\" style=\"font-style:italic;font-weight:400\">\n<p>A: There are three main types of network security:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Host:<\/strong> Involves security solutions installed directly onto the host server\/computer.<\/li>\n\n\n\n<li><strong>Physical:<\/strong> Focuses on tangible assets like the hardware and company data policies.<\/li>\n\n\n\n<li><strong>Network:<\/strong> Covers an entire network range.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<p><strong>Q: What makes a server secure?<\/strong><\/p>\n\n\n\n<p><em>A: A server is usually secured by a Secure Sockets Layer (SSL), which acts as a medium of authentication between the client and the host server, providing end-to-end encryption to keep sensitive data from being accessed during transfer. Secure servers will also have up-to-date and state-of-the-art firewalls, and information handling policies for maintenance staff.<\/em><\/p>\n\n\n\n<p><strong>Q: What is the safest server in the world?<\/strong><\/p>\n\n\n\n<p><em>A: The most secure servers in the world are the HPE ProLiant Gen10 Rack Servers, which provide end-to-end encryption. The HPE ProLiant has Silicon Root of Trust technology, which prevents the server from booting if it\u2019s running on compromised firmware. Likewise, it has firmware threat detection and runtime firmware validation.<\/em><\/p>\n\n\n\n<p><strong>Q: How do I know if I have a secure server?<\/strong><\/p>\n\n\n\n<p><em>A: When attempting to visit a domain online, a secure server URL should start with \u2018https\u2019 &#8211; the \u2018s\u2019 standing for secure, which means the website is hosting a server with an SSL. Many server operating systems (OS) also have server security scanners, and any worthwhile OS would be able to detect the most obvious security risks.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A secure server is essential. To ignore it is to leave a large, exposed target on your data for cybercriminals to exploit. Secure servers are the first line of defense against DDoS attacks, data breaches, and more. In this article, KnownHost defines exactly what server security means and why it\u2019s useful and offers a step-by-step [&hellip;]<\/p>\n","protected":false},"author":186,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1424],"tags":[1488,2514,1448],"class_list":["post-19335","post","type-post","status-publish","format-standard","hentry","category-security","tag-firewall","tag-secure-server","tag-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Secure a Server - KnownHost<\/title>\n<meta name=\"description\" content=\"A secure server matters now more than ever. 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