With both of those features added i think this solution would be ready for smb production environments. I've setup nginxproxymanager and would @dariusateik the other side of docker containers is to make deployment easy. On the other hand, f2b is easy to add to the docker container. Complete solution for websites hosting. Learning the basics of how to protect your server with fail2ban can provide you with a great deal of security with minimal effort. Thanks for your blog post. If I test I get no hits. It works form me. This was something I neglected when quickly activating Cloudflare. And even tho I didn't set up telegram notifications, I get errors about that too. In the end, you are right. Protecting your web sites and applications with firewall policies and restricting access to certain areas with password authentication is a great starting point to securing your system. I switched away from that docker container actually simply because it wasn't up-to-date enough for me. I've been hoping to use fail2ban with my npm docker compose set-up. in this file fail2ban/data/jail.d/npm-docker.local Since its the proxy thats accepting the client connections, the actual server host, even if its logging system understands whats happening (say, with PROXY protocol) and logs the real clients IP address, even if Fail2Ban puts that IP into the iptables rules, since thats not the connecting IP, it means nothing. To y'all looking to use fail2ban with your nginx-proxy-manager in docker here's a tip: In your jail.local file under where the section (jail) for nginx-http-auth is you need to add this line so when something is banned it routes through iptables correctly with docker: Anyone who has a guide how to implement this by myself in the image? The supplied /etc/fail2ban/jail.conf file is the main provided resource for this. @hugalafutro I tried that approach and it works. It works for me also. Otherwise fail2ban will try to locate the script and won't find it. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Note that most jails dont define their own actions, and this is the global one: So all I had to do was just take this part from the top of the file, and drop it down. Still, nice presentation and good explanations about the whole ordeal. Just for a little background if youre not aware, iptables is a utility for running packet filtering and NAT on Linux. To learn more, see our tips on writing great answers. All I need is some way to modify the iptables rules on a remote system using shell commands. I started my selfhosting journey without Cloudflare. In this guide, we will demonstrate how to install fail2ban and configure it to monitor your Nginx logs for intrusion attempts. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc. I want to try out this container in a production environment but am hesitant to do so without f2b baked in. So inside in your nginx.conf and outside the http block you have to declare the stream block like this: stream { # server { listen 80; proxy_pass 192.168.0.100:3389; } } With the above configuration just proxying your backend on tcp layer with a cost of course. We are not affiliated with GitHub, Inc. or with any developers who use GitHub for their projects. Im a newbie. For instance, for the Nginx authentication prompt, you can give incorrect credentials a number of times. Description. Just Google another fail2ban tutorial, and you'll get a much better understanding. Hi, sorry me if I dont understand:( I've tried to add the config file outside the container, fail2ban is running but seems to not catch the bad ip, i've tried your rules with fail2ban-regex too but I noted: SUMMARY: it works, using the suggested config outside the container, on the host. 100 % agree - > On the other hand, f2b is easy to add to the docker container. For example, my nextcloud instance loads /index.php/login. @lordraiden Thanks for the heads up, makes sense why so many issues being logged in the last 2 weeks! more Dislike DB Tech This took several tries, mostly just restarting Fail2Ban, checking the logs to see what error it gave this time, correct it, manually clear any rules on the proxy host, and try again. Same for me, would be really great if it could added. Proxying Site Traffic with NginX Proxy Manager. We will use an Ubuntu 14.04 server. ! Having f2b inside the npm container and pre-configured, similiar to the linuxio container, gives end users without experience in building jails and filters an extra layer of security. Create a folder fail2ban and create the docker-compose.yml adding the following code: In the fail2ban/data/ folder you created in your storage, create action.d, jail.d, filter.d folders and copy the files in the corresponding folder of git into them. As v2 is not actively developed, just patched by the official author, it will not be added in v2 unless someone from the community implements it and opens a pull request. Making statements based on opinion; back them up with references or personal experience. Looking at the logs, it makes sense, because my public IP is now what NPM is using to make the decision, and that's not a Cloudflare IP. After you have surpassed the limit, you should be banned and unable to access the site. I just wrote up my fix on this stackoverflow answer, and itd be great if you could update that section section of your article to help people that are still finding it useful (like I did) all these years later. -X f2b- Google "fail2ban jail nginx" and you should find what you are wanting. Hope I have time to do some testing on this subject, soon. I suppose you could run nginx with fail2ban and fwd to nginx proxy manager but sounds inefficient. 4/5* with rice. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? Currently fail2ban doesn't play so well sitting in the host OS and working with a container. Were not getting into any of the more advanced iptables stuff, were just doing standard filtering. This container runs with special permissions NET_ADMIN and NET_RAW and runs in host network mode by default. [PARTIALLY SOLVED, YOU REFER TO THE MAPPED FOLDERS] my logs make by npm are all in in a logs folder (no log, logS), and has the following pattern: /logs/proxy-host-*.log and also fallback*.log; [UPDATE, PARTIALLY SOLVED] the regex seems to work, files proxy* contain: Yes this is just relative path of the npm logs you mount read-only into the fail2ban container, you have to adjust accordingly to your path. Can I implement this without using cloudflare tunneling? When unbanned, delete the rule that matches that IP address. These configurations allow Fail2ban to perform bans For all we care about, a rules action is one of three things: When Fail2Ban matches enough log lines to trigger a ban, it executes an action. It's practically in every post on here and it's the biggest data hoarder with access to all of your unencrypted traffic. Regarding Cloudflare v4 API you have to troubleshoot. Your browser does not support the HTML5