{"id":1507,"date":"2023-01-24T01:32:31","date_gmt":"2023-01-23T20:02:31","guid":{"rendered":"https:\/\/trysiteprice.com\/blog\/?p=1507"},"modified":"2023-01-24T01:32:31","modified_gmt":"2023-01-23T20:02:31","slug":"debian-11-set-up-openvpn-server","status":"publish","type":"post","link":"https:\/\/trysiteprice.com\/blog\/debian-11-set-up-openvpn-server\/","title":{"rendered":"Debian 11 Set Up OpenVPN Server"},"content":{"rendered":"<p>Setting up an OpenVPN server on Debian 11 can be done in just a few minutes by following these steps:<\/p>\n<ol>\n<li>Install OpenVPN:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-sql\">sudo apt <span class=\"hljs-keyword\">update<\/span><br \/>\nsudo apt install openvpn<br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"2\">\n<li>Generate the necessary encryption keys and certificates:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-csharp\">sudo easyrsa <span class=\"hljs-keyword\">init<\/span>-pki<br \/>\nsudo easyrsa build-ca<br \/>\nsudo easyrsa build-server-full server nopass<br \/>\n<\/code><\/div>\n<\/div>\n<p>This will create the necessary keys and certificates in the <code>\/etc\/openvpn\/easy-rsa\/pki<\/code> directory.<\/p>\n<ol start=\"3\">\n<li>Create the server configuration file:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-bash\">sudo nano \/etc\/openvpn\/server.conf<br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"4\">\n<li>Add the following contents to the file, replacing the IP address with the IP of your server:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-bash\">port 1194<br \/>\nproto udp<br \/>\ndev tun<br \/>\nca \/etc\/openvpn\/easy-rsa\/pki\/ca.crt<br \/>\ncert \/etc\/openvpn\/easy-rsa\/pki\/issued\/server.crt<br \/>\nkey \/etc\/openvpn\/easy-rsa\/pki\/private\/server.key<br \/>\ndh \/etc\/openvpn\/easy-rsa\/pki\/dh.pem<br \/>\nserver 10.8.0.0 255.255.255.0<br \/>\nifconfig-pool-persist ipp.txt<br \/>\nkeepalive 10 120<br \/>\ncomp-lzo<br \/>\npersist-key<br \/>\npersist-tun<br \/>\nstatus openvpn-status.log<br \/>\nverb 3<br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"5\">\n<li>Enable IP forwarding:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-bash\">sudo nano \/etc\/sysctl.conf<br \/>\n<\/code><\/div>\n<\/div>\n<p>and add or uncomment the following line:<\/p>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs\">net.ipv4.ip_forward=1<br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"6\">\n<li>Enable the OpenVPN service:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-sql\">sudo systemctl <span class=\"hljs-keyword\">start<\/span> openvpn<span class=\"hljs-variable\">@server<\/span><br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"7\">\n<li>Enable the OpenVPN service to start automatically at boot time:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-java\">sudo systemctl enable openvpn<span class=\"hljs-meta\">@server<\/span><br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"8\">\n<li>Configure the firewall to allow OpenVPN traffic, you can use <code>ufw<\/code> for that.<\/li>\n<li>Create a client configuration file, you can use a <code>.ovpn<\/code> extension for it.<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-bash\">sudo nano \/etc\/openvpn\/client.ovpn<br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"10\">\n<li>Add the following contents to the file, replacing the IP address with the IP of your server:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre-wrap hljs language-vbnet\">client<br \/>\ndev tun<br \/>\nproto udp<br \/>\nremote &lt;your server IP&gt; <span class=\"hljs-number\">1194<\/span><br \/>\nresolv-retry infinite<br \/>\nnobind<br \/>\npersist-<span class=\"hljs-keyword\">key<\/span><br \/>\npersist-tun<br \/>\ncomp-lzo<br \/>\nverb <span class=\"hljs-number\">3<\/span><br \/>\n&lt;ca&gt;<br \/>\n-----BEGIN CERTIFICATE-----<br \/>\n...<br \/>\n-----<span class=\"hljs-keyword\">END<\/span> CERTIFICATE-----<br \/>\n&lt;\/ca&gt;<br \/>\n&lt;cert&gt;<br \/>\n-----BEGIN CERTIFICATE-----<br \/>\n...<br \/>\n-----<span class=\"hljs-keyword\">END<\/span> CERTIFICATE-----<br \/>\n&lt;\/cert&gt;<br \/>\n&lt;<span class=\"hljs-keyword\">key<\/span>&gt;<br \/>\n-----BEGIN <span class=\"hljs-keyword\">PRIVATE<\/span> <span class=\"hljs-keyword\">KEY<\/span>-----<br \/>\n...<br \/>\n-----<span class=\"hljs-keyword\">END<\/span> <span class=\"hljs-keyword\">PRIVATE<\/span> <span class=\"hljs-keyword\">KEY<\/span>-----<br \/>\n&lt;\/<span class=\"hljs-keyword\">key<\/span>&gt;<br \/>\n<\/code><\/div>\n<\/div>\n<p>You can copy the ca, cert and key from the server&#8217;s <code>\/etc\/openvpn\/easy-rsa\/pki<\/code> directory.<\/p>\n<p>You should now have a working OpenVPN server<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Setting up an OpenVPN server on Debian 11 can be done in just a few minutes by following these steps: Install OpenVPN: sudo apt update sudo apt install openvpn Generate the necessary encryption keys and certificates: sudo easyrsa init-pki sudo easyrsa build-ca sudo easyrsa build-server-full server nopass This will create the necessary keys and certificates &#8230; <a title=\"Debian 11 Set Up OpenVPN Server\" class=\"read-more\" href=\"https:\/\/trysiteprice.com\/blog\/debian-11-set-up-openvpn-server\/\" aria-label=\"Read more about Debian 11 Set Up OpenVPN Server\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1507","post","type-post","status-publish","format-standard","hentry","category-best-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Debian 11 Set Up OpenVPN Server - TrySitePrice<\/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:\/\/trysiteprice.com\/blog\/debian-11-set-up-openvpn-server\/\" \/>\n<meta property=\"og:locale\" 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