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Nginx is free and open-source software, released under the terms of the 2-clause BSD license. A large fraction of web servers use Nginx, [10] often as a load balancer. [11] A company of the same name was founded in 2011 to provide support and NGINX Plus paid software. [12] In March 2019, the company was acquired by F5 for $670 million. [13]
Nginx has an integrated http rewrite module, [10] which can be used to perform advanced URL processing and even web-page generation (with the return directive). An example of such advanced use of the rewrite module is mdoc.su, which implements a deterministic URL shortening service entirely with the help of nginx configuration language alone ...
A server implements an HSTS policy by supplying a header over an HTTPS connection (HSTS headers over HTTP are ignored). [1] For example, a server could send a header such that future requests to the domain for the next year (max-age is specified in seconds; 31,536,000 is equal to one non-leap year) use only HTTPS: Strict-Transport-Security: max-age=31536000.
Proxy auto-config (PAC) standard: create and publish one central proxy configuration file. Details are discussed in a separate article. Web Proxy Auto-Discovery Protocol (WPAD) standard: ensure that an organization's browsers will find this file without manual configuration. This is the topic of this article.
With the Apache web server, for example, this behavior is provided by the mod_autoindex module [9] and controlled by the Options +Indexes directive [10] in the web server configuration files. These automated directory listings are sometimes a security risk because they enumerate sensitive files which may not be intended for public access, in a ...
Checkmk’s configuration is rule-based, so that it remains intuitive and scalable even in complex environments. Automated service discovery and configuration, as well as the automatic agent update, further accelerate the configuration process. An HTTP API can also be used to integrate CMDBs for accelerated configuration.
Example scenario: A client on the Internet (cloud on the left) makes a request to a reverse proxy server (red oval in the middle).The proxy inspects the request, determines that it is valid and that it does not have the requested resource in its own cache.
The general format of the field is: [2] X-Forwarded-For: client, proxy1, proxy2 where the value is a comma+space separated list of IP addresses, the left-most being the original client, and each successive proxy that passed the request adding the IP address where it received the request from.