So everyone is talking about cloudflare tunnels and I decided to give it a shot.
However, I find the learning curve quite hard and would really appreciate a short introduction into how they work and how do I set them up…
In my current infrastructure I am running a reverse proxy with SSL and Authentik, but nothing is exposed outside. I access my network via a VPN but would like to try out and consider CF. Might be easier for the family.
How does authentication work? Is it really a secure way to expose internal services?
I just decided to go ahead and implement split-brain DNS this evening and it works perfectly. What are you using for your internal DNS server? If it is Unbound, the one that I am using, I can share my config with you. After implementing this, the speed of my services when being accessed from my internal network sped up by an order of magnitude. I shoulda done this earlier. 😆
Here is a sample configuration that should work for you:
server:
interface: 127.0.0.1
interface: 192.168.1.1
do-udp: yes
do-tcp: yes
do-not-query-localhost: no
verbosity: 1
log-queries: yes
access-control: 0.0.0.0/0 refuse
access-control-view: 127.0.0.0/8 example
access-control-view: 192.168.1.0/24 example
hide-identity: yes
hide-version: yes
tcp-upstream: yes
remote-control:
control-enable: yes
control-interface: /var/run/unbound.sock
view:
name: "example"
local-zone: "example.com." inform
local-data: "example.com. IN A 192.168.1.2"
local-data: "www IN CNAME example.com."
local-data: "another.example.com. IN A 192.168.1.3"
forward-zone:
name: "."
forward-addr: 8.8.8.8
forward-addr: 8.8.4.4
What makes the split-brain DNS work is if the request for resolution comes from the localhost or from inside your network, it will first go to the view section to see if there is any pertinent local data. So if you do a query from your home network, on say, example.com, it will return your internal IP address which in this case is 192.168.1.2
Sure! Let me know how it goes. If you need to do something more complex for internal DNS records for more than just A records, then look at the unbound.conf man page for stub zones. If you need something even more flexible than stub zones, you can use Unbound as a full authoritative DNS server with auth-zones. As far as I know auth-zones can even do zone transfers AXFR style which is cool!
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I just decided to go ahead and implement split-brain DNS this evening and it works perfectly. What are you using for your internal DNS server? If it is Unbound, the one that I am using, I can share my config with you. After implementing this, the speed of my services when being accessed from my internal network sped up by an order of magnitude. I shoulda done this earlier. 😆
That be amazing! I am currently not using anything (took down my homelab a while back) and planning on completely starting over fresh now.
I am most likely going with unbound! So if you could, that be great!
Here is a sample configuration that should work for you:
What makes the split-brain DNS work is if the request for resolution comes from the localhost or from inside your network, it will first go to the
viewsection to see if there is any pertinent local data. So if you do a query from your home network, on say,example.com, it will return your internal IP address which in this case is192.168.1.2Appreciate it!
Sure! Let me know how it goes. If you need to do something more complex for internal DNS records for more than just A records, then look at the unbound.conf man page for stub zones. If you need something even more flexible than stub zones, you can use Unbound as a full authoritative DNS server with auth-zones. As far as I know auth-zones can even do zone transfers AXFR style which is cool!
That’s becoming interesting once I’m setting up a slaves for failover & local proximity ^^ looking forward to deep diving into it