Server Details is a web browser extension that uses the information provided by a web page's HTTP headers to show what software is running the web server it is on. It is available for Chrome.

You can see what can be detected on a website with the web based version of the tool.

Screenshot

The extension detects the following software:

(* indicates that warning is provided for outdated version of software)

HTTP Servers:

Amazon
Apache HTTP Server *
Apache Coyote
Apache Traffic Server *
Atypon Web Server
Boa
GitHub.com
Google Frontend
Google Servlet Engine
Google Web Server
Gunicorn *
G-WAN
IBM HTTP Server *
Idea Web Server
IIS
Jetty *
lighttpd *
LiteSpeed
Lotus Domino
Netscape Enterprise Sever
nginx *
Ning HTTP Server
OpenResty *
Oracle Application Server
Oracle iPlanet Web Server
Paste WSGI Server
PWS
Resin *
Roxen
Squarespace Web Server
Starlet
Sun Java System Web Server
Sun ONE Web Server
Tengine *
WEBrick
WP Engine
Yahoo Traffic Server
Zeus Web Server *
Zope*

Other Software:

ASP.NET
Caching: Drupal, Squid, TYPO3, Varnish, W3 Total Cache *
Control Panels: cPanel and Plesk
JBoss
mod_fcgid *
mod_jk *
mod_pagespeed *
mod_perl *
mod_wsgi *
Operating Systems: CentOS, Debian, FreeBSD, Gentoo, Red Hat Enterprise Linux, Scientific Linux, Ubuntu, and Windows
OpenSSL *
Perl *
PHP *
Phusion Passenger *
Python *
Zend Server

Some software distributions backport security fixes to older versions of software instead of releasing a new version. The extension will not warn about outdated software when that appears to be the case. You can disable this feature in the options if you want to be warned anyway.

Report an Issue

To report an issue with the extension please email us at extensions@whitefirdesign.com.