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How To Install Linux, Nginx, MySQL, PHP (LEMP) stack On CentOS 7
BySam
Step 1 — Installing Nginx In order to display web pages to our site visitors, we are going to employ Nginx, a high-performance web server. To get the latest Nginx version, we’ll first install the EPEL repository, which contains additional software for the CentOS 7 operating system. To add the CentOS 7 EPEL repository, run…
How to Add Google reCAPTCHA to a PHP Form with Example?
BySam
In this guide, we will integrate the Google reCAPTCHA in the PHP contact form. Utilizing this Google reCAPTCHA code, we can validate the human users and protect the form of submission from bots. Integrating Google reCAPTCHA is recommended because It is an effective and efficient way of validating the user against bots. As we know…
How to Implement Security HTTP Headers to Prevent Vulnerabilities?
BySam
Do you know most of the security vulnerabilities can be fixed by implementing necessary headers in the response header? Security is as essential as content and SEO of your website, and thousands of websites get hacked due to misconfiguration or lack of protection. If you are a website owner or security engineer and looking to protect your…
OpenCart Admin Login Loop
BySam
Method-1: First Check the Timezone in Settings > Store. Make sure you set to UTC. If you need to change it back you can in the SQL table “oc_setting” column “key” value “config_timezone” in the “value” column change it back to “UTC” UPDATE oc_setting SET value=’UTC’ WHERE key = ‘config_timezone’; If still issue, follow below method. Method-2: You…
How to redirect HTTP to HTTPS Using .htaccess
BySam
Chrome and Firefox have started showing insecure warnings on sites without SSL certificates. Without SSL, your website will show insecure to the visitors. Therefore, using an SSL-encrypted connection for safety, accessibility or PCI compliance reasons is necessary. It becomes very important to redirect from HTTP to HTTPS. What is SSL? SSL (Secure Sockets Layer) is…
WHM / cPanel : 550 Please turn on SMTP Authentication in your mail client
BySam
ERROR:- The response from the remote server was: 550 Please turn on SMTP Authentication in your mail client. mail-qk1-f172.google.com [209.85.222.172]:36503 is not permitted to relay through this server without authentication. SOLUTION:- Manage SMTP restrictions Click Enable to deny users the ability to bypass your mail server to send mail. To allow users the ability to bypass your…