Rename file, fill in, and link to pqc-support

Author: RebeccaTamachiro

src/content/docs/ssl/post-quantum-cryptography/index.mdx

@@ -41,7 +41,7 @@ Cloudflare has deployed the following hybrid key agreements:
 - [X25519Kyber768Draft00](https://datatracker.ietf.org/doc/draft-tls-westerbaan-xyber768d00/) (Obsolete)
     - TLS identifier: `0x6399`
 
-A hybrid key agreement lays the groundwork as more and more [clients](#visitor-to-cloudflare) adopt post-quantum cryptograph, while also maintaining the current security provided by X25519. It is a safer path in case of an unexpected breakthrough that renders all variants of ML-KEM insecure.
+A hybrid key agreement lays the groundwork as more and more [clients](#visitor-to-cloudflare) adopt post-quantum cryptography, while also maintaining the current security provided by X25519. It is a safer path in case of an unexpected breakthrough that renders all variants of ML-KEM insecure.
 
 ## Three connections in the life of a request
 
@@ -65,6 +65,10 @@ flowchart LR
 
 As of [october 2023](https://blog.cloudflare.com/post-quantum-for-all/), all websites and APIs served through Cloudflare over TLS 1.3 support post-quantum hybrid key agreement. However, the connection is only post-quantum secured if the client also supports post-quantum cryptography.
 
+Refer to [Post-quantum cryptography support](/ssl/post-quantum-cryptography/pqc-support/) for a list of browsers and other clients that are compatible with hybrid key agreements.
+
 ### 2. Internal connections
 
+
+
 ### 3. Cloudflare to your origin

src/content/docs/ssl/post-quantum-cryptography/pqc-support.mdx

@@ -0,0 +1,38 @@
+---
+pcx_content_type: reference
+title: PQC support
+sidebar:
+  order: 3
+head: []
+description: Consider information about post-quantum cryptography at Cloudflare - deployed key agreements and software support.
+---
+
+Cloudflare's deployment of post-quantum hybrid key agreements is supported by the following [third-parties](#software-support) and is in use within the following [Cloudflare products](#cloudflare-products).
+
+## Software support
+
+### X25519MLKEM768
+- Default for [Firefox 132+](https://www.mozilla.org/firefox/channel/desktop/) (Beta)
+- Default for [Chrome 131+](https://www.google.com/chrome/beta/) (Beta)
+- Cloudflare's [fork of Go](https://github.com/cloudflare/go)
+- [BoringSSL](https://boringssl.googlesource.com/boringssl/)
+
+### X25519Kyber768Draft00
+
+- Default for [Chrome 124-130](https://www.google.com/chrome/) on Desktop
+    - For older Chrome or on mobile, toggle _TLS 1.3 hybridized Kyber support_ (`enable-tls13-kyber`) in `chrome://flags`.
+- Default for [Edge 124+](https://microsoft.com/edge/)
+- Default for recent [Opera](https://opera.com) and [Brave](https://brave.com)
+- [Firefox 124+](https://www.mozilla.org/firefox) if you turn on `security.tls.enable_kyber` in `about:config`
+    - For QUIC/HTTP3, use Firefox 128+ with `network.http.http3.enable_kyber`.
+- Cloudflare's [fork of Go](https://github.com/cloudflare/go)
+- Default for [Go 1.23](https://github.com/golang/go/issues/67061)
+- [BoringSSL](https://boringssl.googlesource.com/boringssl/)
+- Cloudflare's [fork of QUIC-go](https://github.com/cloudflare/qtls-pq)
+- Goutam Tamvada's [fork of Firefox](https://github.com/xvzcf/firefox-pq-demos)
+- [Open Quantum Safe](https://openquantumsafe.org/) C library
+- [Zig 0.11.0+](https://ziglang.org/)
+- [nginx](https://www.nginx.org/) when [compiled with BoringSSL](https://mailman.nginx.org/pipermail/nginx/2023-August/NOISOYU3QTB2DGIYUBGF7CAMQHDI2QLT.html) ([guide](https://blog.centminmod.com/2023/10/03/2860/how-to-enable-cloudflare-post-quantum-x25519kyber768-key-exchange-support-in-centmin-mod-nginx/))
+- [Caddy HTTP server](https://caddyserver.com/) nightly [compiled with Go 1.23+](https://gist.github.com/bwesterb/2f7bfa7ae689de0d242b56ea3ecac424)
+- [Botan C++ library 3.2.0+](https://botan.randombit.net/) ([instructions](https://github.com/randombit/botan/discussions/3747))
+- ISRG's fork of [Rustls](https://www.memorysafety.org/blog/pq-key-exchange/)