diff --git a/README.md b/README.md
index 3cce74c..443d09f 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@
 * [Operating System](#build-your-own-operating-system)
 * [Physics Engine](#build-your-own-physics-engine)
 * [Programming Language](#build-your-own-programming-language)
+* [Proxy](#build-your-own-proxy)
 * [Regex Engine](#build-your-own-regex-engine)
 * [Search Engine](#build-your-own-search-engine)
 * [Shell](#build-your-own-shell)
@@ -315,6 +316,13 @@
 * [**Swift**: _Building a LISP from scratch with Swift_](https://www.uraimo.com/2017/02/05/building-a-lisp-from-scratch-with-swift/)
 * [**TypeScript**: _Build your own WebAssembly Compiler_](https://blog.scottlogic.com/2019/05/17/webassembly-compiler.html)
 
+#### Build your own `Proxy`
+
+* [With Ubuntu VM](https://networkjutsu.com/building-your-own-proxy-server/)
+* [With PuTTY](https://dzone.com/articles/guide-to-make-your-own-proxy-for-more-ips)
+* [With Java](https://people.apache.org/~jim/NewArchitect/webtech/2001/04/java/index.html)
+
+
 #### Build your own `Regex Engine`
 
 * [**C**: _A Regular Expression Matcher_](https://www.cs.princeton.edu/courses/archive/spr09/cos333/beautiful.html)