Layer 4 vs Layer 7 Reverse Proxies: Using HAProxy to front Web Services (for IPv4 to v6 Transition)

Thank you for this. Really enjoyed

Nice Video! I went ahead and switched my setup from a layer 7 proxy to a layer 4 proxy since I pretty much have the same setup.
It works great until you host a service that is required to know the real client ip. When I access my service via ipv6 there is no problem at all. But when I use Ipv4 this changes. The service recognizes the IP from the reverse proxy. The only solution I found was using the proxy protocol. This however enforces you to go through a proxy which effectively disables ipv6 access. 😥

Great Video HOWever, PFSense free firewall Already has a package for HA Proxy to make it EASIER to manage instead of using cli :) in addition with managing DNS records! Keep it up! you make the best videos so far on the explanations 😁 I wonder what you use for a firewall

What about NGINX? HAProxy is a load balancer 1st that can do reverse proxying. NGINX is a reverse proxy 1st that can do load balancing.

Do you have an opinion on Oracle Cloud always free tier Ampere hosting? I wonder why so many content creators use Linode when the free OCI offering could do the job.

You sir are a pleasure to listen to. Well structured explanations and im confident you know what youre talking about! (You've done this type of work IRL - i'm sure of it!) Happy to go on the adventures!! thank you for sharing with us! :)

HAProxy health checks with load balancing next, please!

During the pandemic we had to setup a reverse proxy for SSH servers and I ended up using HAProxy to do this. To make this not cause ssh host key fingerprint issues, I spawned a second ssh server on port 2022 with a separate sshd_config file to specify ssh host keys that identical across the systems. I did this also for xrdp and rdp sessions, but those are more forgiving of putting something in the middle.

Great content, i like despite the fact you are not a huge channel you've invested in good audio. Makes the videos so much more enjoyable. If you haven't done a video on caddy I'd like to learn more about it. If you have I'll find out on your channel 😊

Thanks for the demo and info, have a great day

All of this without even browsing to HAProxy's console/status page and simulating a backend failure and info which the service does during issues.

I love how deeply nerdy these videos are. Great content!!!

Thanks!

I use HAProxy inside pfsense but this is a nice alternative. I also use ACME certificate feature which works well with HAProxy. I'm sure this can be done alongside with HAProxy on that VM.

Normaly i like your Video's but those where you switching 12083121 times to the Camera and back makes me feel dizzy all the time. Why not using your front cam and PIP.

HAProxy + Certbot =