A while ago, I got really sick and tired of dealing with the hardware that Telus shipped me for my residential gateway, and so a new "internal" router was added. Great work on this! setting Always Use HTTPS to On (this ensures all traffic to your server is secured), enabling preload under the HSTS configuration. I have quite a few containers running, including Pi-Hole and cloudflared Home Assistant HomeBridge docker-cloudflared-tunnel Deploy your app using just a single docker command without having to setup a reverse proxy nor a single port forwarding. If you already ran the other docker-compose up, tear it down now: And check that Prometheus metrics are working: This setup provides a portable Pi-hole with DNS over HTTPS configuration. Indeed, it requires SSH access to edit raw files for NGINX and/or Apache the exact edits being specific to an individuals current setup (e.g. Save my name, email, and website in this browser for the next time I comment. Otherwise, update it to reflect your Docker network or remove it entirely if you don't wish to use it. Most home LANs use DHCP to automatically assign IP addresses and DNS servers to devices. They are also registered on the US Privacy Shield Framework, which at the point of writing, helps with GDPR compliance. Just need a bit more lifting to get there with a couple more steps. You might like to do a followup article with bot protection turned on as this will block some apps like DS-CAM from fully working (but can be mitigated with page rule to lower security on the websocket and API), Hi, Followed your guide which is great and works a charm (thanks), but Ive just setup a VM with the VMM and when trying to connect to a VM with the Connect button it loads the page but says Cannot connect to the server. This is a problem though with DNS since DNS has to be responding on port 53. And it's pretty awesome. Image Variants Usage Quick Setup: Deploy your stack. To my surprise, there was no tutorial/examples provided for this Read more, Background If you already know what LUKS and hardware security modules are, you can ignore this bit and head to What Will this Cover below. If you also opt for Cloudflare generation, you will be able to choose between either RSA (2048 bit) or the modern elliptical curve alternative (ECDSA) both very secure. By now many are familiar with Pi-hole. This solution proposed is complete with a Docker-compose.yml file that basically solves what I'm looking for. So, the goal is simple: Run Docker on the Synology, and run PiHole as a container. Pi-hole with cloudflared provides a powerful security and privacy enhancement to any network. Well create it by hand so that this network is usable by any docker-compose setup and not just the one well create later: Note: When attaching containers directly to a network, port mapping has no effect (i.e. Users of Synology products should be allowed to enable SSH for any user and for admin accounts they could add sudo privilege so they can do administrative tasks. I dont believe you can proxy the SHH protocol with Cloudflare, it has to be HTTP traffic. docker-cloudflared-tunnel is a Docker image based on Cloudflare Argo Tunnel solution which provide Cloudflare daemon ad-hoc capabilities through Docker. So when a browser tries to resolve ads.doubleclick.net, Pi-hole says: nope, doesnt exist. Login to your DSM; Go to Control Panel > Terminal & SNMP > Enable SSH service; Use your client to access Synology via SSH. This time it should time out. However, Flexible only secures the first part of the chain (from the browser to Cloudflare) the traffic sent from Cloudflare to our server not being encrypted. Create an account to follow your favorite communities and start taking part in conversations. Neon - Serverless Postgres, open-source alternative to Press J to jump to the feed. We can fix this with a sysctl option net.ipv4.ip_unprivileged_port_start=53. We can check the logs to make sure everything looks good: Another option is to skip using the internal network and instead directly attach cloudflared to our real network. Watch the video with the NEW method, deploying the CF tunnel from the GUI: https://youtu.be/c4P31IhYx9Y 0:00 Intro. 1:10 Download container image. We need to make some changes to the configuration for this setup to work. For example, I found this not to work on a Synology NAS. Pihole has a docker image, so it was a matter of configuring this. Also, we are going to use msnelling/cloudflared docker image because it has multi-arch support, so it can be deployed on ARM64/ARMv7 (such as Raspberry Pi etc). I have been using cloudflare tunnel (docker cloudflared) with a public subdomain set up for my Synology, and successfully used it to access DSM for a month without issue. Any ideas how I can resolve this so it works through CF? I like the idea of defining what services I want in a configuration file. I wanted for the cloudflared to come up via docker-compose or as a stack in the swarm. Now install the service via cloudflared 's service command: sudo cloudflared service install --legacy Start the systemd service and check its status: sudo systemctl start cloudflared sudo systemctl status cloudflared Now test that it is working! So, how do I make sure there's a DNS resolver available to the Pihole when it starts up? We want to ensure all our certificates are authenticated to help reduce the risk of man in the middle (MITM) attacks hence why I have chosen Full (strict) which validates all the certificates in the chain. I got this going easy enough. Once youve added/selected your chosen values, Click the blue next button to generate your Origin certificate. I am currently completely revamping my home theatre setup using the built in reverse proxy server and some Docker containers. Turns out it is not that hard to do so. Until fairly recently, this would have required purchasing of a certificate, rather than the use a free self-signed certificate. This is an annoying limitation of Cloudflare and unfortunately I dont use Synology Drive or Backup Station to vouch for their compatibility (I use Syncthing and HyperBackup). Hopefully Synologys forthcoming DSM 7 update may provide a better interface to easily add this functionality, without the need for shell access and custom scripts. If you have any devices with a manually-configured IP address such as a home server or NAS, youll have to update their DNS servers to point to Pi-hole. Ive tried it myself on my NAS but I found some limitations for my functionality. Plex updates are necessary in order to avoid bugs, improve performance, and overall security. Press question mark to learn the rest of the keyboard shortcuts. A tag already exists with the provided branch name. These docs contain step-by-step, use case driven, tutorials to use Cloudflare . Our Support Techs suggest running a tunnel connected to a running docker container with Cloudflare's origin proxy server and Free SSL with this command: ./cloudflared tunnel --hostname domainname.com http://0.0.0.0:5003 Here, we use command tunnel and binary cloudflared to set up a connection between an open port. When setting-up Pi-hole, it needs to be configured with the DNS servers it will use to resolve non-blocked requests. Since cloudflared is now a dependency of Pi-hole in our setup, well use docker-compose to orchestrate this. Also, I am not sure if you are trying to connect one service or an entire network. I got it working. By default, Cloudflare sets up a universal wildfire edge certificate for your domain (wildfire meaning the certificate will be valid for any sub-domain you create), as well as providing an interface to generate an origin certificate (should you need it). can be stored in there. -p 53:53/udp does nothing). The software on the Synology isn't terribly feature rich, and certainly doesn't help me with the adblocking function that I'm looking for (as well as defining custom DNS records for the network), but PiHole does. But, I'm guessing I need to pass some params to the container to make ti run as that. For devices on your network to use Pi-hole as their DNS server, youll need to make some configuration changes. They both follow the convention of http:///dns-query for the lookup URL. mounted share on a NAS). source: https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/tunnel-guide poudenes February 12, 2022, 9:18am #2 After some more search I found this way how to do it directly on my NAS: Its a DNS server that subscribes to blocklists to block advertising and tracking services at the network level. We can inform Docker of this topology in a network called priv_lan that the host is connected to on interface eth0. For this reason, you will need to access Pi-hole using your Synology NAS's IP address and a defined port. I created a cloudflare user and group, and gave it full access to /volume1/docker/cloudflared. Run commands in Synology This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. 2:48 Set the right. Ive had this blocked for years without any problems. I would recommend changing the following settings: If you wish all your websites traffic to be over https, I would suggest you also enable the following settings under the Edge Certificate settings page. Flexible container deployment Installing this was straightforward using the usual mechanism. Full ensures all stages of the chain are encrypted, however, no validation is carried out on the certificate used for the second part of the chain (from Cloudflare to our server). Thank you for this complete article. The yellow arrow indicates that a new update is available. How to use Access Synology via SSH. I think these existed back when I wrote the article, but they only become a free service as of April 2021. The links to the certificate can be found on the following page. The basis of this idea is that my Synology NAS is "probably" one of the first things I'm going to turn on, and one of the more "foundational" pieces of the network, so running network-wide services on the device is sound. This is the link that I found: https://community.cloudflare.com/t/cloudflared-docker-on-synology/355419 The instructions from the cloudflare site for docker are: $ sudo docker run cloudflare/cloudflared:latest tunnel --no-autoupdate run --token <mytoken> I did some amalgamation of both, and the container keeps crashing. use a local VPN (for example Synology NAS VPN services) to access any services that dont need to be exposed via port forwarding. This article has been invaluable in helping secure it with Cloudflare. To help you decide, an explanation of the workings and pros and cons of elliptical curve certificates can be found in this article (note either RSA or ECDSA will work with Synology DSM 6). Learn more. For records that you cant proxy (for example MX records), if these point to your server, you may wish to consider using a relay service to be able to keep masking your IP (as discussed in this article). You can then use it to expose: Are you sure you want to create this branch? It is then down to you to select the services you wish to assign to the origin certificate (for example, Synology Drive Server and any Web Station virtual hosts). This article is a little dated now though, as Ive since learnt about Cloudflare Tunnels (https://www.cloudflare.com/en-gb/products/tunnel/). Software. https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/tunnel-guide/remote/#set-up-a-tunnel-remotely-dashboard-setup. I have found the auto-renewal of Synology Lets Encrypt certificates to be temperamental (also Synology have yet to support the more robust. In laymans terms, this means the traffic sent from a browser to our server (via Cloudflare) is encrypted and authenticated using trusted SSL certificates at each stage of the journey. Starting in a future version FTLDNS is going to check this setting automatically. Using the zero trust dashboard I began to create a tunnelI gave it a name and chose the location to install the cloudflared tunnel connectorI chose docker.I coped the command line that was . There was a problem preparing your codespace, please try again. It provides secure, fast, reliable, cost-effective network services, integrated with leading identity management and endpoint security providers. You could then redirect your Cloudflare DNS to this subdomain through the use of CNAME record, providing full-strict SSL for your website. Most routers can be reconfigured to assign custom DNS servers to clients. UPDATE Ive since been informed that ECDSA is no longer supported by DSM 6, so youll need to choose the RSA option. The instruction below shows how to use and configure cloudflared on docker with docker-compose. Docker CloudFlare DDNS This small Alpine Linux based Docker image will allow you to use the free CloudFlare DNS Service as a Dynamic DNS Provider ( DDNS ). This all worked really great, until Watchtower updated Pihole. By doing this, we gain the ability to bypass Pi-hole if desired and still have the benefits of DNS over HTTPS. Hi Jordy thanks, glad you like it! I changed it to the ones supported by Cloudfare https://support.cloudflare.com/hc/en-us/articles/200169156-Which-ports-will-Cloudflare-work-with- and it worked! As such you will probably need to add the Root Origin CA to your Trusted Root Certificates. Required fields are marked *. These docs contain step-by-step, use case driven, tutorials to use Cloudflare . For real usage, get started by creating a free Cloudflare account and heading to https://dash.teams.cloudflare.com/ -> Access -> Tunnels to create your first Tunnel. This stemmed from an issue within Pihole, where it had Google's DNS selected as the upstream DNS servers even though the DNS servers were defined as part of the environment variables. Docker Samples: A collection of over 30 repositories that offer sample containerized demo applications, tutorials, and labs. Seems great ! You can just ssh into your NAS and run the standard command. When Cloudflare receives a request for your chosen hostname, it proxies the request through those connections to cloudflared. restart: unless-stopped. Tunnels are great for connecting one service (like your HTTP front ends) but perhaps WARP would be a better solution for connecting an entire network? If you have a dynamic rather than static IP address, you will also need to add a custom dynamic DNS entry within the Synology DSM interface to update Cloudflare when your IP Changes. So now weve set up our origin certificate on our Synology device, I would advise you to make the following tweaks to ensure that (where possible) we are: To tweak the settings we need to navigate to navigate to the Edge Certificates settings within Cloudflare administration pages for your domain (found under the SSL/TLS menu and Edge Certificates menu, as shown below). Once generated, Cloudflare will ask the format for your certificate signing request (CSR) and private key choose PEM and proceed to copy the resulting text values into two separate text files. With macvlan, Docker can create a new network that generates MAC addresses for containers and lets them have routable IPs on our LAN. Setting it up with docker-compose makes the setup portable. This is fantastic just what I was looking for thanks for putting the effort in to put this together! dark souls 2 map; tesseract training tool Synology Knowledge Center provides you with answers to frequently asked questions, troubleshooting steps, software tutorials, and all the technical documentation you may need. I just found out that cloudflare has a free tier. Introduction and core concepts docker-cloudflared-tunnel is a Docker image based on Cloudflare Argo Tunnel solution which provide Cloudflare daemon ad-hoc capabilities through Docker. Use cloudflared tunnel with env to simplify the usage on Compose file and on Synology DSM GUI. '/volume1/docker/pihole/dnsmasq.d/:/etc/dnsmasq.d/', '/volume1/docker/pihole/pihole/:/etc/pihole', "TUNNEL_DNS_UPSTREAM=https://1.1.1.1/dns-query,https://1.0.0.1/dns-query", /var/run/docker.sock:/var/run/docker.sock, WATCHTOWER_NOTIFICATION_EMAIL_SUBJECTTAG=Hostname, WATCHTOWER_NOTIFICATION_EMAIL_FROM=# Valid sender, WATCHTOWER_NOTIFICATION_EMAIL_TO=# Valid Recipient, WATCHTOWER_NOTIFICATION_EMAIL_SERVER=in-v3.mailjet.com, WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=587, WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=# Mailjet username, WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD=# Mailjet Password, "HA" Pihole between Debian, Synology and Docker. No more punching holes in the firewall and opening stuff directly to the internet, plus the ability to give specific people/friends access to only the resources they need. You can now proceed to login to your Synologys administration area to import the certificates to your server navigating to Control Panel -> Security -> Certificate as shown below. Part 1: Are you feeling LUKy? You signed in with another tab or window. You should now have three files your origin certificate, your origin root certificate, and your origins private key. But, it's working. It works perfectly fine when accessing it through the NASs internal IP so has something to do with CF. So, the goal is simple: Run Docker on the Synology, and run PiHole as a container. Deploying configuration with something like Ansible could be a good solution. Below the steps how I let cloudflared work on my Synology NAS inside a docker. Do you have any suggestions or tips how to overcome this challenge? You may also wish to make this the default certificate for the server. Hi Fabio, great, glad you found this tutorial useful! Ive been trying to setup my Synology NAS with TLS on Cloudfare for about 2 days, and my problem ended up being the port, as pointed out by Jordy. Read more to see how to. 2. cloudflared provides another type of security with DNS over HTTPS. If you are using Synology's Firewall, ensure that you allow port 22 traffic. Ensure you can SSH into your Synology NAS. I will try soon the part with intermediate certificates in order to pass to Full (stricit) mode. The Cloudflare SSL interface has settings for two types of certificate the Edge (proxy-server) certificate, and the origin (your servers) certificate. Note you need to add both IPv4 and IPv6 addresses the list can also change from time to time, so its worth keeping an eye on, updating the trusted list if required. Sometimes I would have secure DNS, sometimes not. Now we could visit http://localhost or another user on the network can visit http://machine-ip-or-hostname. Are you trying to connect via SSH? It provides secure, fast, reliable, cost-effective network services, integrated with leading identity management and endpoint security providers. # Persist data and custom configuration to the host's storage, '/mnt/app-data/pihole/config:/etc/pihole/', '/mnt/app-data/pihole/dnsmasq:/etc/dnsmasq.d/', # 1. It's fine to use .env for non-sensitive information like PGID, PUID, TZ, DOCKER_DIR, etc. If I were setting this up now, Id probably use a Cloudflare Tunnel, which can also be used to proxy SSH traffic, as explained here: https://developers.cloudflare.com/cloudflare-one/tutorials/ssh/ The main benefit of Tunnels, over the steps Ive outlined above, is that you dont have to port forward/open ports on your router, so provided you trust Cloudflare, its even more secure. Synology listening on port 5000 and 5001 No open port on router Docker setup: docker running inside Synology with default settings docker run cloudflare/cloudflared:2022.5.3 tunnel --no-autoupdate run --token <<MYTOKEN>> Cloudflare Access Tunnel setup: mydomain.com --> https://192.168.1.80:5001 no TLS verify What I observe is following: networks: - proxy. This is a multi-arch image and will run on amd64, aarch64, and armhf devices, including the Raspberry Pi. This is very easy to do, you simply navigate to the SSL/TLS settings for your domain within Cloudflare's administration pages, selecting the "Origin" tab and then clicking on the blue "Create Certificate" button as pictured below. It also means only one service per port per Docker host. If you use VLANs on your network, macvlan supports binding to VLAN tagging. A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control. As such, you will need to consider the security implications of disclosing your servers IP address (something Cloudflare will notify you about if your DNS records expose your IP). Thank you Edward and Jordy! Now we could choose to just select Flexible or Full from the options available. "TUNNEL_DNS_UPSTREAM=https://1.1.1.1/dns-query,https://1.0.0.1/dns-query,https://9.9.9.9/dns-query,https://149.112.112.9/dns-query", # Attach cloudflared only to the private network, # Internal IP of the cloudflared container, # Explicitly disable a second DNS server, otherwise Pi-hole uses Google, # Listen on all interfaces and permit all origins. Cloudflare also allows you to add entries for multi-level sub-domains not covered by the wildcard, as well as giving you a choice of expiry length (I chose the default 15 years, but the more security conscious may wish to choose a lower value). Cloudflares Origin CA Root RSA Certificate, https://support.cloudflare.com/hc/en-us/articles/200169156-Which-ports-will-Cloudflare-work-with-, https://github.com/mrikirill/SynologyDDNSCloudflareMultidomain, https://my.domain.com/webman/3rdparty/Virtualization/noVNC/vnc.html?autoconnect=true&reconnect=true&path=synovirtualization/ws/70e6f827-cc1f-43cd-b778-00fbf369c689&title=NS1&app_id=94930208-63f7-4a80-b7e3-2ed78e595da1&kb_layout=en-gb&v=2.6.0-12122&app_alias=, https://www.cloudflare.com/en-gb/products/tunnel/, https://developers.cloudflare.com/cloudflare-one/tutorials/ssh/, Part 2: Are you feeling LUKy? Docker on the Synology starts the container back up, but since nothing has really changed, the same issue occurs again. cloudflared gets the IP 172.30.9.2 and responds to DNS queries on the unprivileged port 5053. Marius Hosing has a great walk-through of how to do this through the GUI, so that at least told me it was possible. Then on the Photos and Drive IoS app, when you put your hostname in, add a :8443 to the hostname and select HTTPS and it will work.
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