Site Info for tools.ietf.org
The language for tools.ietf.org website is en (detected).
tools.ietf.org has ietf.org as domain name.
IP address220.127.116.11 18.104.22.1682001:1890:126c::1:2a2001:1900:3001:11::3e
Character encoding is a type of encoding scheme that assigns a number to each character for digital representation, and it is used to represent a repertoire of characters in textual data computation, storage, and transmission.
UTF-8 is a character encoding of variable widths that is used in electronic communication.
HTTP compression is a feature that can be applied to web servers and clients to maximize transfer speed and bandwidth usage.
The most popular compressions on the web today are Gzip and Brotli.
HTTP Strict Transport Security (HSTS)
HTTP Strict Transport Security is a web security policy that protects websites from man-in-the-middle attacks like protocol downgrades and cookie hijacking.
Content Type Options
The X-Content-Type-Options HTTP response header is a server-side marker that indicates that the MIME types advertised in the Content-Type headers should not be modified and should be followed.
The X-Frame-Options HTTP response header can be used to to avoid click-jacking attacks by preventing the content to be included in other websites.
Cross-Site Scripting Protection
When reflected cross-site scripting (XSS) attacks are detected, the HTTP X-XSS-Protection response header in Chrome, Internet Explorer, Safari and old browsers prevents web pages from loading.
Debian is a Linux software which is a free open-source software.
Apache is a free and open-source cross-platform web server software.