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Home Archives for NGINX
How to Create a Content Security Policy to Protect Your Web Application against XSRF/CSRF/XFS, Clickjacking and Other Code Injection Attacks

Filipe Martins 2016-02-22 3 Comments

How to Create a Content Security Policy to Protect Your Web Application against XSRF/CSRF/XFS, Clickjacking and Other Code Injection Attacks

[Updated 2019-03-17] Are you wondering why some JavaScript code from external domains simply won’t execute on your website? The reason could be as simple as an overly restrictive Content Security Policy (CSP for short). This article explains how you can create a Content Security Policy that’s both protective and functional. It will help you to secure your web server from some types of cross-site request forgery (XSRF/CSRF/XFS), clickjacking and other code injection attacks.

[Read more…]

Filed Under: administration and orchestration, cloud, edge and everything in between, cybersecurity and cyber warfare, encryption, Uncategorized, web servers in the cloud Tagged With: CSP, cyber defense, cyber security, cybersecurity, NGINX

WordPress Says Your Host May Have Disabled The mail() Function. Here Is How to Fix It.

Cloud Insidr 2016-02-14 5 Comments

WordPress Says Your Host May Have Disabled The mail() Function. Here Is How to Fix It.

Some WordPress installations stubbornly refuse requests for a password reset link, showing the user this error message instead:

The email could not be sent.
Possible reason: your host may have disabled the mail() function.

WordPress’ error massage is anything but insightful. The underlying cause usually involves SELinux. Let us introduce you to an easy fix that does not involve plug-ins or external email services. Buckle up.

[Read more…]

Filed Under: administration and orchestration, cloud, edge and everything in between, mail servers, NGINX, web servers in the cloud Tagged With: NGINX, postfix, SELinux, WordPress

RegEx Bliss: Set Up URL Redirects in NGINX Using Regular Expressions without Rewrites

Anna E Kobylinska 2016-02-04 7 Comments

RegEx Bliss: Set Up URL Redirects in NGINX Using Regular Expressions without Rewrites

There are two major no-nos when it comes to writing NGINX redirects:

  • thou shalt not use if statements (that’s a major no-no);
  • thought shalt not use rewrites (they are a waste of resources, as in “slow” and “expensive”).

Instead, use ol’ good location blocks. But what if you have plenty of URIs to redirect? How do you deploy RegEx magic with NGINX? Easy.

[Read more…]

Filed Under: Uncategorized, web servers in the cloud Tagged With: NGINX, RegEx, regular expressions

How to install a web server on AWS EC2 and set up a website from scratch on a domain of your choice

Anna E Kobylinska 2016-02-01 2 Comments

How to install a web server on AWS EC2 and set up a website from scratch on a domain of your choice

It doesn’t take rocket science to set up and run a website (or a couple hundred of them) in the AWS cloud. Here is a down-to-earth, step-by-step primer for adventurous newbies.

[Read more…]

Filed Under: cloud, edge and everything in between, web servers in the cloud Tagged With: AWS, Linux, NGINX, PHP, Route 53, SQL

How to Install PHP 7 on Fedora, RHEL, CentOS 7 — the Red Hat family

Filipe Martins 2015-12-09 3 Comments

How to Install PHP 7 on Fedora, RHEL, CentOS 7 — the Red Hat family

Installing PHP on the Red Hat family—Fedora, RHEL, CentOS 7—is a must for cyber security and it’s not rocket science. With a few easy steps, you too can bring your PHP based web applications to the next level.

[Read more…]

Filed Under: administration and orchestration, Linux, NGINX, php-fpm, SELinux, web servers in the cloud Tagged With: CentOS, dnf, Fedora, NGINX, PHP 7, php-fpm, Red Hat, remi repo, repo, RHEL, SAPI

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