{"id":307,"date":"2026-02-14T09:54:17","date_gmt":"2026-02-14T09:54:17","guid":{"rendered":"https:\/\/www.vm6.co.uk\/blog\/?p=307"},"modified":"2026-02-14T09:54:23","modified_gmt":"2026-02-14T09:54:23","slug":"how-to-change-the-ssh-port-on-a-linux-vps","status":"publish","type":"post","link":"https:\/\/www.vm6.co.uk\/blog\/2026\/02\/14\/how-to-change-the-ssh-port-on-a-linux-vps\/","title":{"rendered":"How to Change the SSH Port on a Linux VPS"},"content":{"rendered":"\n<p>By default, SSH runs on port&nbsp;<strong>22<\/strong>. Changing the SSH port helps reduce automated brute-force attacks and improves server security. In this guide, you\u2019ll learn how to safely change your SSH port on a Linux VPS.<\/p>\n\n\n\n<p><mark><strong>\u26a0 Important:<\/strong>\u00a0<\/mark>Follow this guide carefully. Changing the SSH port incorrectly may lock you out of your server.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 1: Connect to Your Server via SSH<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">ssh root@your-server-ip<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 2: Allow the New Port in Your Firewall FIRST<\/h2>\n\n\n\n<p><strong>Do this before changing SSH settings!<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">If using UFW:<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">ufw allow 2222\/tcp<\/pre>\n\n\n\n<p>(Replace&nbsp;<strong>2222<\/strong>&nbsp;with your desired new port.)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">If using firewalld:<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">firewall-cmd --permanent --add-port=2222\/tcp\nfirewall-cmd --reload\n<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 3: Edit the SSH Configuration File<\/h2>\n\n\n\n<p>Open the SSH configuration file:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nano \/etc\/ssh\/sshd_config<\/pre>\n\n\n\n<p>Find this line:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#Port 22<\/pre>\n\n\n\n<p>Remove the&nbsp;<code>#<\/code>&nbsp;and change it to:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Port 2222<\/pre>\n\n\n\n<p>Make sure there is only ONE \u201cPort\u201d line active.<\/p>\n\n\n\n<p>Save and exit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Press&nbsp;<strong>CTRL + X<\/strong><\/li>\n\n\n\n<li>Press&nbsp;<strong>Y<\/strong><\/li>\n\n\n\n<li>Press&nbsp;<strong>Enter<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 4: Restart SSH Service<\/h2>\n\n\n\n<p>For Ubuntu\/Debian:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">systemctl restart ssh<\/pre>\n\n\n\n<p>For CentOS\/RHEL:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">systemctl restart sshd<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 5: Test the New SSH Port (Do NOT Close Current Session)<\/h2>\n\n\n\n<p>Open a new terminal window and test:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ssh -p 2222 root@your-server-ip<\/pre>\n\n\n\n<p>If it connects successfully, your new port works.<\/p>\n\n\n\n<p><strong>Only close your old SSH session after confirming the new port works.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Optional: Disable Port 22 Completely<\/h2>\n\n\n\n<p>After confirming the new port works:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">If using UFW:<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">ufw delete allow 22\/tcp<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Additional SSH Security Settings<\/h2>\n\n\n\n<p>While editing&nbsp;<code>\/etc\/ssh\/sshd_config<\/code>, consider:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Disable Root Login<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">PermitRootLogin no<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Disable Password Authentication (Use SSH Keys Only)<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">PasswordAuthentication no<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Limit Specific Users<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">AllowUsers yourusername<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Common Issues &amp; Fixes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Connection Refused?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Firewall may not allow new port<\/li>\n\n\n\n<li>SSH service not restarted<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Permission Denied?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Incorrect username<\/li>\n\n\n\n<li>SSH key misconfigured<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Locked Out?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use your VPS provider console access<\/li>\n\n\n\n<li>Revert the port in&nbsp;<code>sshd_config<\/code><\/li>\n\n\n\n<li>Restart SSH<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Best Port Numbers to Use<\/h2>\n\n\n\n<p>Avoid very common ports. Choose something between:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1024 \u2013 65535<\/li>\n\n\n\n<li>Example: 2222, 2200, 22222<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">You\u2019re All Set \ud83d\ude80<\/h2>\n\n\n\n<p>You\u2019ve successfully changed your SSH port and improved your Linux VPS security. For even better protection, consider installing Fail2Ban and using SSH keys only.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>By default, SSH runs on port&nbsp;22. Changing the SSH port helps reduce automated brute-force attacks and improves server security. In this guide, you\u2019ll learn how to safely change your SSH&#8230; <a href=\"https:\/\/www.vm6.co.uk\/blog\/2026\/02\/14\/how-to-change-the-ssh-port-on-a-linux-vps\/\" class=\"read-more\" style=\"color: #fbbf24;\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":309,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mbp_gutenberg_autopost":false,"footnotes":""},"categories":[44,2],"tags":[45,79,25,46,20],"class_list":["post-307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dedicated-servers","category-vps-hosting","tag-change","tag-how","tag-linux","tag-port","tag-ssh"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Change the SSH Port on a Linux VPS - VM6 Networks<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vm6.co.uk\/blog\/2026\/02\/14\/how-to-change-the-ssh-port-on-a-linux-vps\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Change the SSH Port on a Linux VPS - VM6 Networks\" \/>\n<meta property=\"og:description\" content=\"By default, SSH runs on port&nbsp;22. 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Changing the SSH port helps reduce automated brute-force attacks and improves server security. In this guide, you\u2019ll learn how to safely change your SSH... 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