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The first time you visit a domain, these files are downloaded and stored in the browser’s cache. On subsequent visits, the browser can serve the local versions instead of downloading the files again. This enables the web page to load much faster as it only needs to retrieve the data that has changed since the last visit. It offers a much better experience for users and is the reason Google’s PageSpeed Insights recommends that it be implemented. You will add a small piece of code that will tell browsers to store CSS, JavaScript, images, and PDF files in their cache for a period of seven days or max. Insert the following snippet inside the server block directly after the previous code for Gzip compression: # vi /home/admin/conf/web/mail.datahead.biz.nginx.ssl.conf location ~* ^.+\.(3gp|gif|bmp|jpg|jpeg|png|ico|wmv|avi|asf|asx|mpg|mpeg|mp4|pls|mp3|mid|wav|swf|flv|html|htm|txt|js|css|exe|zip|tar|rar|gz|tgz|bz2|uha|7z|doc|docx|xls|xlsx|pdf|iso|woff|ttf|svg|eot|sh)$ { expires max; ad...

Gzip is a popular compression algorithm and format on the web. Gzip requires browser support, but you don’t have to worry because most popular browsers have support for it. Although Instructions to enable Gzip varies with different web servers, they are still very similar.  Here’s how Gzip works with Nginx: Now add the following Code to your Nginx Configuration file or you can add it to your vhost domain # Compression gzip gzip on; gzip_vary on; gzip_comp_level 6; gzip_min_length 512; gzip_buffers 8 64k; gzip_types application/atom+xml application/javascript application/x-javascript application/json application/ld+json application/manifest+json application/xml+rss application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/png image/svg+xml image/x-icon image/gif image/jpeg text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location....

A found a plugin for VestaCP named "Tools" . This tool currently lets you view all the users, mail domains, cron jobs, databases, and more in one global view without having to login to each individual user. # wget https://raw.githubusercontent.com/SS88UK/VestaCP-Tools-Plugin/master/Install_Tools.sh -O ./Install_Tools.sh # chmod 777 ./Install_Tools.sh # sudo ./Install_Tools.sh Open the Configuration file and Add the Following Code that mentioned snapshot # vi /usr/local/vesta/web/templates/admin/panel.html Source Details: https://forum.vestacp.com/viewtopic.php?t=12819

Using a SSL certificate that doesn't mean you are secure, but there is a lot more to Strengthening Web Site Security. Whilst most people are happy with just having their site running under SSL after successfully figuring out how certbot and Let’s Encrypt works. Strengthening Web Site Security is very easy as it only requires you to set up what is called a Content Security Policy (CSP). What a Content Security Policy does is tell a browser what external resources can be loaded within your site without being regarded and Non-Secure Origins. It’s an essential part of good security especially when it comes to SSL. But Strengthening Web Site Security does not stop there as there are additional server headers that need to be implemented to prevent cross browser sniffing, people loading parts of your site with a frame in their site and what is called an XSS header which prevents cross scripting attacks from browsers and then also a strict transport security header call...

I will show you  how to change the default Vesta port from port 8083 to port 2087. You could change your port number to any other number. I will use 2087 port because Cloudflare  supports that port in their free subscription. So I can protect my server from DDOS Attack using Cloudflare Free Subscription. In brief the steps to change your port are: Add the new port(2087) on VestaCP firewall Edit Nginx to Listen to the new port Restart vesta Delete the old port, 8083 . I am not using VestaCP firewall, I am using CSF firewall to my Vesta Control Panel. So I not showing you Step 1. 2.Edit Nginx to Listen to the new port # vi /usr/local/vesta/nginx/conf/nginx.conf

We have already secure nginx and vesta-nginx using Let's Encrypt SSL in our previous tutorial. Now it is very important to secure Server FQDN where my Server FQDN is mail.datahead.biz. At first I will enable http2   then i will redirect all http request to https . 1. At first Enable http2 in server block # vi /home/admin/conf/web/mail.datahead.biz.nginx.ssl.conf server { listen 192.146.82.3:443 ssl http2; server_name mail.datahead.biz ; server_tokens off; root /home/admin/web/mail.datahead.biz/public_html; index index.php index.html index.htm; access_log /var/log/nginx/domains/mail.datahead.biz.log combined; access_log /var/log/nginx/domains/mail.datahead.biz.bytes bytes; error_log /var/log/nginx/domains/mail.datahead.biz.error.log error; #ssl on; ssl_certificate /home/admin/conf/web/ssl.mail.datahead.biz.pem; ssl_certificate_key /home/admin/conf/web/ssl.mail.datahead.biz.key; 2. Redirect all ht...

Nginx 1.17.10 working as a reverse proxy for Vesta Admin Control Panel where it is installed as nginx-vesta. You can check the vesta-nginx version: # /usr/local/vesta/nginx/sbin/vesta-nginx -v nginx version: nginx/1.12.2 Vesta Nginx Location # cd /usr/local/vesta/nginx Take Backup vesta-nginx configuration file # cd /usr/local/vesta/nginx/conf # cp -a nginx.conf nginx.conf-bak 1. Replace the below code  # vi /usr/local/vesta/nginx/conf/nginx.conf # SSL PCI Compliance ssl_protocols TLSv1.2 TLSv1.1 TLSv1; ssl_ciphers EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5; ssl_session_cache shared:SSL:10m; ssl_prefer_server_ciphers on; With # SSL Settings #ssl_protocols TLSv1.3;# Requires nginx >= 1.13.0 else use TLSv1.2 ssl_protocols TLSv1.2; ssl_prefer_server_ciphers on; ssl_dhparam /etc/nginx/dhparam.pem; # openssl dhparam -out /etc/nginx/dhparam.pem 4096 #ssl_ciphers EECDH+AESGCM:EDH+AESGCM; ssl_ciphers E...

I have written those article previously for CentOS Web Panel for both Nginx + Varnish + Apache + PHP-FPM & Apache server only. Source Details: 1.  Install Letsencrypt SSL Certificate for your Server Hostname/FQDN, 100% Working 2.  Install Let'sEncrypt for Admin Panel & User Panel Again, 100% Working My Certificate Score after SSL hardening: There are some changes needed for both article that i mentioned above. I will do it later for CentOS Web Panel. Now I have started to like VestaCP which is very lightweight control panel and It has many templates based on nginx for many CMS. I am using Nginx+PHP-FPM on Ubuntu 16.04 L.T.S . I have added 4096 bits Let's Encrypt SSL for VestaCP Admin Panel which is working perfectly and no warning getting from any browser. Article :  How to Configure 4096 bits Let's Encrypt SSL for VestaCP Control (Admin) Panel? Using a SSL certificate that doesn't mean you are secure . You have to harden(secure) your SSL configu...

VestaCP uses self-sign certificates for VestaCP control panel for login url and you will get warning from your browser. We will generate 4096 bits Let's Encrypt SSL VestaCP Control Panel. It's very easy process to generate the SSL certificate for VestaCP Control Panel. We will link the SSL certificate for Server FQDN that will use for login to VestaCP Control Panel. # mv /usr/local/vesta/ssl/certificate.crt /usr/local/vesta/ssl/certificate.crt.old # mv /usr/local/vesta/ssl/certificate.key /usr/local/vesta/ssl/certificate.key.old # ln -s /home/admin/conf/web/ssl.mail.datahead.biz.pem /usr/local/vesta/ssl/certificate.crt # ln -s /home/admin/conf/web/ssl.mail.datahead.biz.key /usr/local/vesta/ssl/certificate.key # reboot

We need to change some basic configuration after VestaCP successfully installation. There are four default Packages in vestacp as follow :  default, gainsboro, palegreen, slategrey . 1. Change the Name Servers on each packages as per your needs where my name server are  ns1.datahead.biz &  ns2.datahead.biz 2. Create a package as per your needs 3. Change admin password and set SSH Access to nologin 4. Delete alias for Server FQDN 5. Configure DNS for Server FQDN 6. Delete Default database and user from PhpMyAdmin 7. Configure Authoritative DNS from your domain panel

You should first run update , then upgrade . Neither of them automatically runs the other. apt update updates the list of available packages and their versions, but it does not install or upgrade any packages. apt upgrade actually installs newer versions of the packages you have. After updating the lists, the package manager knows about available updates for the software you have installed. This is why you first want to update. Additionally, you can use apt update && apt upgrade to do both steps after each other. # apt update && apt upgrade