diff --git a/README.md b/README.md
index ca5ab29..487e221 100644
--- a/README.md
+++ b/README.md
@@ -379,6 +379,7 @@ performance of any of your sites from across the globe.
:small_orange_diamond: TecMint - the ideal Linux blog for Sysadmins & Geeks.
:small_orange_diamond: Omnisecu - Free Networking, System Administration and Security Tutorials.
:small_orange_diamond: Unix Toolbox - collection of Unix/Linux/BSD commands and tasks which are useful for IT work or for advanced users.
+ :small_orange_diamond: http3-explained - a document describing the HTTP/3 and QUIC protocols.
##### :black_small_square: System hardening
@@ -399,6 +400,7 @@ performance of any of your sites from across the globe.
:small_orange_diamond: Rawsec's CyberSecurity Inventory - an inventory of tools and resources about CyberSecurity.
:small_orange_diamond: Application Security Wiki - is an initiative to provide all application security related resources at one place.
:small_orange_diamond: The Illustrated TLS Connection - every byte of a TLS connection explained and reproduced.
+ :small_orange_diamond: The Art of Subdomain Enumeration - a reference for subdomain enumeration techniques.
:small_orange_diamond: Quitting Google - the comprehensive guide to quitting Google.
@@ -422,6 +424,7 @@ performance of any of your sites from across the globe.
:small_orange_diamond: DEF CON Media Server - great stuff from DEFCON 26.
:small_orange_diamond: BGP Meets Cat - after 3072 hours of manipulating BGP, Job Snijders has succeeded in drawing a Nyancat.
:small_orange_diamond: HTTPS in the real world - great tutorial explain how HTTPS works in the real world.
+ :small_orange_diamond: Gitlab and NFS bug - how we spent two weeks hunting an NFS bug in the Linux kernel.
:small_orange_diamond: Hidden directories - hidden directories and files as a source of sensitive information about web application.
:small_orange_diamond: How To Become A Hacker - if you want to be a hacker, keep reading.
:small_orange_diamond: Operation Costs in CPU - an infographics which should help to estimate costs of certain operations in CPU clocks.