All Posts tagged as "web servers"

Integrating ModSecurity with Nginx on Debian 9

ModSecurity is a an open source Web Application Firewall (WAF). It can detect as well as prevent attacks to web applications. Initially released as an Apache web server module, ModSecurity now supports all major Web Servers including IIS, Nginx and Apache.

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Apache and Nginx - Quick Tips

Following are some quick tips related to Apache and Nginx Web Servers:

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Generating free SSL certificate from LetsEncrypt on localhost

If your website hosting allows uploading SSL certificates but does not allow SSH access and you need a SSL certificate for your website, then a free SSL certificate from LetsEncrypt is a good option.

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INADEQUATE_SECURITY - SSL Cipher problems with HTTP2

HTTP2 requires encryption over SSL. The recommended SSL protocol for HTTP2 is TLS 1.2. Ciphers are encryption algorithms used by SSL protocols.

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Increasing web server timeout

If your website is based on PHP and is being served by Apache web server with Nginx as reverse proxy, then you may have experienced 504 Gateway Timeout errors. The error usually happens because some PHP script takes longer than usual to run.

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Making HTTP POST requests from Google Chrome

The Google Chrome developers toolbox is a useful tool that can be used to test HTTP POST requests. For example we may want to replay HTTP requests for testing APIS or debugging web pages.

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Configuring Apache mod status

Apache Mod Status is an Apache module that provides useful information about the requests being sent to Apache.

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Disabling output buffering with mod_fcgid

Output buffering in PHP allows output from a PHP script to be stored in a buffer. When the buffer is flushed, the output is displayed to the user. Sometimes we may want to disable output buffering, so we can quickly access the output from a PHP script. For example it is useful to be able to view the output from long running scripts.

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