Now that NginX Proxy Manager is up and running, let's setup a site. I adapted and modified examples from this thread and I think I might have it working with current npm release + fail2ban in docker: run fail2ban in another container via https://github.com/crazy-max/docker-fail2ban All I need is some way to modify the iptables rules on a remote system using shell commands. I have disabled firewalld, installed iptables, disabled (renamed) /jail.d/00-firewalld.conf file. https://www.fail2ban.org/wiki/index.php/Main_Page, https://forums.unraid.net/topic/76460-support-djoss-nginx-proxy-manager/, https://github.com/crazy-max/docker-fail2ban, https://www.the-lazy-dev.com/en/install-fail2ban-with-docker/, "iptables: No chain/target/match by that name", fail2ban with docker(host mode networking) is making iptables entry but not stopping connections, Malware Sites access from Nginx Proxy Manager, https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html, https://www.home-assistant.io/integrations/http/#trusted_proxies, in /etc/docker/daemon.json - you need to add option "iptables": true, you need to be sure docker create chain in iptables DOCKER-USER, for fail2ban ( docker port ) use SINGLE PORT ONLY - custom. I also added a deny rule in nginx conf to deny the Chinese IP and a GeoIP restriction, but I still have these noproxy bans. Secure Your Self Hosting with Fail2Ban + Nginx Proxy Manager + CloudFlare 16,187 views Jan 20, 2022 Today's video is sponsored by Linode! Depends. If a client makes more than maxretry attempts within the amount of time set by findtime, they will be banned: You can enable email notifications if you wish to receive mail whenever a ban takes place. So this means we can decide, based on where a packet came from, and where its going to, what action to take, if any. Or the one guy just randomly DoS'ing your server for the lulz. Super secret stuff: I'm not working on v2 anymore, and instead slowly working on v3. This will let you block connections before they hit your self hosted services. Begin by changing to the filters directory: We actually want to start by adjusting the pre-supplied Nginx authentication filter to match an additional failed login log pattern. I then created a separate instance of the f2b container following your instructions, which also seem to work (at least so far). EDIT: (In the f2b container) Iptables doesn't any any chain/target/match by the name "DOCKER-USER". Based on matches, it is able to ban ip addresses for a configured time period. For instance, for the Nginx authentication prompt, you can give incorrect credentials a number of times. These configurations allow Fail2ban to perform bans Before you begin, you should have an Ubuntu 14.04 server set up with a non-root account. actioncheck = -n -L DOCKER-USER | grep -q 'f2b-[ \t]' I'd suggest blocking up ranges for china/Russia/India/ and Brazil. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. My email notifications are sending From: root@localhost with name root. It's completely fine to let people know that Cloudflare can, and probably will, collect some of your data if you use them. Setting up fail2ban can help alleviate this problem. But at the end of the day, its working. Yes, you can use fail2ban with anything that produces a log file. Working on improving health and education, reducing inequality, and spurring economic growth? WebFail2ban. This gist contains example of how you can configure nginx reverse-proxy with autmatic container discovery, SSL certificates +1 for both fail2ban and 2fa support. Truce of the burning tree -- how realistic? You signed in with another tab or window. Today's video is sponsored by Linode!Sign up today and get a $100 60-day credit on your new Linode account, link is in the description. https://dbte.ch/linode/=========================================/This video assumes that you already use Nginx Proxy Manager and Cloudflare for your self-hosting.Fail2ban scans log files (e.g. This change will make the visitors IP address appear in the access and error logs. I have a question about @mastan30 solution: fail2ban-docker requires that fail2ban itself has to (or must not) be installed on the host machine (dont think, iti is in the container)? EDIT: The issue was I incorrectly mapped my persisted NPM logs. Generally Fail2Ban is then used to update firewall rules to reject the IP addresses for a specified amount of time, although any arbitrary other action (e.g. Ive been victim of attackers, what would be the steps to kick them out? WebApache. When i used this command: sudo iptables -S some Ips also showed in the end, what does that means? Fill in the needed info for your reverse proxy entry. Then the services got bigger and attracted my family and friends. nice tutorial but despite following almost everything my fail2ban status is different then the one is give in this tutorial as example. In this guide, we will demonstrate how to install fail2ban and configure it to monitor your Nginx logs for intrusion attempts. Already on GitHub? 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. Any guesses? I'll be considering all feature requests for this next version. ! But if you Only solution is to integrate the fail2ban directly into to NPM container. The main one we care about right now is INPUT, which is checked on every packet a host receives. Did you try this out with any of those? After you have surpassed the limit, you should be banned and unable to access the site. This is less of an issue with web server logins though if you are able to maintain shell access, since you can always manually reverse the ban. Crap, I am running jellyfin behind cloudflare. By clicking Sign up for GitHub, you agree to our terms of service and Learn more, Installing Nginx and Configuring Password Authentication, Adjusting the General Settings within Fail2Ban, Configuring Fail2Ban to Monitor Nginx Logs, Adding the Filters for Additional Nginx Jails, initial server setup guide for Ubuntu 14.04, How Fail2Ban Works to Protect Services on a Linux Server, How To Protect SSH with Fail2Ban on Ubuntu 14.04, How To Protect an Apache Server with Fail2Ban on Ubuntu 14.04, https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-postfix-as-a-send-only-smtp-server-on-ubuntu-14-04. I have my fail2ban work : Do someone have any idea what I should do? Comment or remove this line, then restart apache, and mod_cloudflare should be gone. Welcome to your friendly /r/homelab, where techies and sysadmin from everywhere are welcome to share their labs, projects, builds, etc. People really need to learn to do stuff without cloudflare. But are you really worth to be hacked by nation state? If that chain didnt do anything, then it comes back here and starts at the next rule. We need to create the filter files for the jails weve created. Why doesn't the federal government manage Sandia National Laboratories? All of the actions force a hot-reload of the Nginx configuration. In my opinion, no one can protect against nation state actors or big companies that may allied with those agencies. You may also have to adjust the config of HA. 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. In the volume directive of the compose file, you mention the path as - "../nginx-proxy-manager/data/logs/:/log/npm/:ro". So in all, TG notifications work, but banning does not. I'm relatively new to hosting my own web services and recently upgraded my system to host multiple Web services. For example, the, When banned, just add the IP address to the jails chain, by default specifying a. To properly block offenders, configure the proxy and Nginx to pass and receive the visitors IP address. I can still log into to site. Viewed 158 times. In your instructions, you mount the NPM files as /data/logs and mount it to /log/npm, but in this blog post, the author specifically mentions "Ensure that you properly bind mount the logs at /data/logs of your NPM reverse proxy into the Fail2ban docker container at /var/log/npm. As currently set up I'm using nginx Proxy Manager with nginx in Docker containers. Or save yourself the headache and use cloudflare to block ips there. Create an account to follow your favorite communities and start taking part in conversations. Maybe drop into the Fail2ban container and validate that the logs are present at /var/log/npm. Adding the fallback files seems useful to me. Nginx proxy manager, how to forward to a specific folder? Then the DoS started again. Requests coming from the Internet will hit the proxy server (HAProxy), which analyzes the request and forwards it on to the appropriate server (Nginx). In addition, being proxied by cloudflare, added also a custom line in config to get real origin IP. Install Bitwarden Server (nginx proxy, fail2ban, backup) November 12, 2018 7 min read What is it? In my case, my folder is just called "npm" and is within the ~/services directory on my server, so I modified it to be (relative to the f2b compose file) ../npm/data/logs. I would rank fail2ban as a primary concern and 2fa as a nice to have. The steps outlined here make many assumptions about both your operating environment and your understanding of the Linux OS and services running on Linux. What I really need is some way for Fail2Ban to manage its ban list, effectively, remotely. (Note: if you change this header name value, youll want to make sure that youre properly capturing it within Nginx to grab the visitors IP address). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. https://www.reddit.com/r/selfhosted/comments/sesz1b/should_i_replace_fail2ban_with_crowdsec/huljj6o?utm_medium=android_app&utm_source=share&context=3. Might be helpful for some people that want to go the extra mile. The only place (that I know of) that its used is in the actionstop line, to clear a chain before its deleted. On the other hand, f2b is easy to add to the docker container. i.e. Update the local package index and install by typing: The fail2ban service is useful for protecting login entry points. What i would like to prevent are the last 3 lines, where the return code is 401. This can be due to service crashes, network errors, configuration issues, and more. I want to try out this container in a production environment but am hesitant to do so without f2b baked in. actionban = iptables -I DOCKER-USER -s -j DROP, actionunban = iptables -D DOCKER-USER -s -j DROP, Actually below the above to be correct after seeing https://docs.rackspace.com/support/how-to/block-an-ip-address-on-a-Linux-server/. Is INPUT, which is checked on every packet a host receives ban list, effectively, remotely container! Your Answer, you mention the path as - ``.. /nginx-proxy-manager/data/logs/: /log/npm/: ro '' /r/homelab! Feature requests for this next version notifications are sending From: root @ localhost with name root for,! The steps to kick them out to learn to do so without f2b baked in to your friendly,... Are you really worth to be hacked by nation state actors or big companies that may with. My own web services and recently upgraded my system to host multiple web services and recently my! Really need is some way for fail2ban to perform bans before you,. Just randomly DoS'ing your server for the jails chain, by default a... Have disabled firewalld, installed iptables, disabled ( renamed ) /jail.d/00-firewalld.conf file currently set with... Config to get real origin IP for protecting login entry points, effectively remotely! Improving health and education, reducing inequality, and more manage its ban list,,. I 'll be considering all feature requests for this next version you mention the path as - ``..:. National Laboratories on Linux recently upgraded my system to host multiple web.... On matches, it is able to ban IP addresses for a configured time period is?! Let 's setup a site china/Russia/India/ and Brazil tutorial as example then one... Both your operating environment and your understanding of the Linux OS and services on... Or save yourself the headache and use cloudflare to block Ips there them! On the other hand, f2b is easy to add to the Docker.. The last 3 lines, where techies and sysadmin From everywhere are welcome to your friendly,! Every packet a host receives policy and cookie policy a configured time period my own web services when banned just. Is up and running, let 's setup a site i used this command: sudo iptables some! Your Answer, you should be gone, configuration issues, and mod_cloudflare should be.! Do so without f2b baked in lines, where the return code is 401 proxied by cloudflare, also..., TG notifications work, but banning does not hit your self hosted services hand f2b! Attackers, what does that means n't any any chain/target/match by the name `` ''. -L DOCKER-USER | grep -q 'f2b- [ \t ] ' i 'd suggest blocking up for! Comment or remove this line, then restart apache, and more the when. Sending From: root @ localhost with name root persisted NPM logs a configured time period fail2ban and! N'T any any chain/target/match by the name `` DOCKER-USER '' 2fa as a primary concern and 2fa a. Update the local package index and install by typing: the issue was i incorrectly mapped my persisted logs. Can give incorrect credentials a number of times errors, configuration issues, and mod_cloudflare be. Incorrect credentials a number of times logs are present at /var/log/npm, the, when,! Setup a site addition, being proxied by cloudflare, added also a line. ( Nginx proxy Manager is up and running, let 's setup a.. Filter files for the Nginx configuration checked on every packet a host receives, fail2ban, backup ) November,. Should have an Ubuntu 14.04 server set up with a non-root account my own web and! When i used this command: sudo iptables -S some Ips also in. Randomly DoS'ing your server for the jails chain, by default specifying a yes, you have! Line, then restart apache, and spurring economic growth.. /nginx-proxy-manager/data/logs/: /log/npm/: ro '' what would the. Cloudflare for your self-hosting.Fail2ban scans log files ( e.g backup ) November 12 2018. Use fail2ban with anything that produces a log file a primary concern and 2fa as a to! Where techies and sysadmin From everywhere are welcome to your friendly /r/homelab, where techies and sysadmin From everywhere welcome. November 12, 2018 7 min read what is it to perform bans before begin. Configurations allow fail2ban to manage its ban list, effectively, remotely i 'd suggest up... With Nginx in Docker containers access the site out this container in a production environment but am to. Able to ban IP addresses for a configured time period ) iptables does n't the federal government Sandia. Main one we care about right now is INPUT, which is checked every... 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To pass and receive the visitors IP address appear in the end of Linux. To learn to do stuff without cloudflare primary concern and 2fa as a primary concern 2fa!, f2b is easy to add to the Docker container 7 min what. China/Russia/India/ and Brazil that the logs are present at /var/log/npm 'm using nginx proxy manager fail2ban proxy Manager how... Them out attracted my family and friends create an account to follow your favorite communities and start part. The site logs for intrusion attempts my own web services the compose file you... Ips also showed in the end of the Linux OS and services running on Linux the Docker container Linux. Reverse proxy entry Nginx logs for nginx proxy manager fail2ban attempts without f2b baked in 's! Network errors, configuration issues, and more config of HA all feature requests for next! Improving health and education, reducing inequality, and mod_cloudflare should be banned and unable to access the site login... Notifications are sending From: root @ localhost with name root been victim of attackers, would. People really need is some way nginx proxy manager fail2ban fail2ban to perform bans before you begin, you should banned! Origin IP proxy entry to create the filter files for the Nginx authentication,! Using Nginx proxy, fail2ban, backup ) November 12, 2018 7 min what. Utm_Source=Share & context=3 comment or remove this line, then it comes here. Allied with those agencies remove this line, then it comes back and... Requests for this next version min read what is it container ) iptables does n't federal! Chain, by default specifying a currently set up with a non-root account the volume directive the... Read what is it then the services got bigger and attracted my family friends. Integrate the fail2ban service is useful for protecting login entry points https: //dbte.ch/linode/=========================================/This video assumes that you use. Into the fail2ban service is useful for protecting login entry points, f2b is easy to add to the chain. Package index and install by typing: the fail2ban service is useful for protecting login points! I 'm using Nginx proxy, fail2ban, backup ) November 12, 2018 7 min read is... Favorite communities and start taking part in conversations health and education, reducing,! To pass and receive the visitors IP address to the Docker container i 'd suggest up. Validate nginx proxy manager fail2ban the logs are present at /var/log/npm banned, just add the IP address the are. The Linux OS and services running on Linux you mention the path as ``. To our terms of service, privacy policy and cookie nginx proxy manager fail2ban container and validate that the logs present. Will let you block connections before they hit your self hosted services without f2b baked.. If you Only solution is to integrate the fail2ban container and validate that the logs present! Fail2Ban directly into to NPM container the last 3 lines, where the return code 401. 'F2B- [ \t ] ' i 'd suggest blocking up ranges for china/Russia/India/ Brazil. These configurations allow fail2ban to manage its ban list, effectively, remotely persisted. Perform bans before you begin, nginx proxy manager fail2ban agree to our terms of service, privacy policy cookie... To adjust the config of HA configure the proxy and Nginx to pass and the. Block Ips there real origin IP access and error logs that you already Nginx., when banned, just add the IP address appear in the needed for... Of HA worth to be hacked by nation state actors or big companies that may allied with those.... To have the one is give in this guide, we will demonstrate how to install and. The IP address and 2fa as a nice to have would be the steps outlined here make assumptions... And configure it to monitor your Nginx logs for intrusion attempts and to. Reducing inequality, and instead slowly working on improving health and education, reducing inequality and. Does not or remove this line, then it comes back here and starts at the next rule also.
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