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Security Headers

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Security Headers

by SimonRWaters

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Description

TLS is growing in complexity. Server Name Indication (SNI) now means HTTPS sites may be on shared IP addresses, or otherwise restricted. For these servers it is handy to be able to set desired HTTP headers without access to the web servers configuration or using .htaccess file.

This plug-in exposes controls for:

  • HSTS (Strict-Transport-Security)
  • HPKP (Public-Key-Pins)
  • Disabling content sniffing (X-Content-Type-Options)
  • XSS protection (X-XSS-Protection)
  • Clickjacking mitigation (X-Frame-Options in main site)
  • Expect-CT

HSTS is used to ensure that future connections to a website always use TLS, and disallowing bypass of certificate warnings for the site.

HPKP is used if you don’t want to rely solely on the Certificate Authority trust model for certificate issuance.

Disabling content sniffing is mostly of interest for sites that allow users to upload files of specific types, but that browsers might be silly enough to interpret of some other type, thus allowing unexpected attacks.

XSS protection re-enables XSS protection for the site, if the user has disabled it previously, and sets the “block” option so that attacks are not silently ignored.

Clickjacking protection is usually only relevant when someone is logged in but users requested it, presumably they have rich content outside of WordPress authentication they wish to protect.

Expect-CT is used to ensure Certificate Transparency is configured correctly.

  1. Upload “security_headers.php” to the “/wp-content/plugins/” directory.
  2. Activate the plugin through the “Plugins” menu in WordPress.

Incompatible with Tawk.to

By krsi78 on May 14, 2020

Just a quick warning: if you enable this plugin, the Tawk.to widget is no longer displayed in Chrome, Firefox and Safari. Edge is not affected (yet?).

Perfect

By flch on February 11, 2019

Works great and makes security much easier. Thanks for this great plugin!

handles these security points no one else does

By tone_milazzo on June 21, 2018

My topic can't be empty so I'm writing this to fill it.

Excellent

By bozon on June 19, 2017

Works really well! Tested with [link removed] For the future releases it would be good to include Content-Security-Policy and the forthcoming Expect-CT options.

Perfect

By WebBever (webbever) on May 26, 2017

Easy to use, works like a charm!

Excellent plugin, easy to use.

By tjdurden on September 3, 2016

Thanks for this. Very easy to install and configure.

Excellent all-in-one for headers

By Turn On Social on September 3, 2016

Would be ideal if X-Frame-Options was also integrated

Installed , so far so good

By capturefour on September 3, 2016

For all you peeps that are doing SEO and have https sites running, this is a must..

1.1

Fix missing close anchor which breaks recent WordPress

1.0

Add support for wp-login.php page

Add support for Expect-CT header

0.9

Removed unnecessary whitespace in HSTS header (thanks Thomas)

Added Referrer-Policy header

Corrected plugins name from “HTTP Headers” to “Security Header” (thanks Jamie)

Removed trailing semi-colon from X-XSS-Protection (it worked but not needed)

0.8

Add headers to admin section of WordPress

Added option to set the X-Frame-Options headers to main site

Added HSTS Preload header (thanks to Jamie)

0.7

Add report-uri

Fix handling of non-numeric blank strings for HPKP max-age

0.6

HPKP support

Check for TLS before emitting HSTS or HPKP headers

0.5

Change h2 for h1 for accessibility per #31650

0.4

License change
Clarify wording for XSS protection in readme

0.3

Prepare for release

0.2

Added Sonarqube file and formatting changes

0.1

  • Initial release.
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