I agree than Nginx Proxy Manager is one of the potential users of fail2ban. I just installed an app ( Azuracast, using docker), but the The thing with this is that I use a fairly large amount of reverse-proxying on this network to handle things like TLS termination and just general upper-layer routing. Setting up fail2ban to monitor Nginx logs is fairly easy using the some of included configuration filters and some we will create ourselves. Thanks @hugalafutro. 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. wessel145 - I have played with the same problem ( docker ip block ) few days :) finally I have working solution; actionstop = -D DOCKER-USER -p -m conntrack --ctorigdstport --ctdir ORIGINAL -j f2b- Install Bitwarden Server (nginx proxy, fail2ban, backup) November 12, 2018 7 min read What is it? But, fail2ban blocks (rightfully) my 99.99.99.99 IP which is useless because the tcp packages arrive from my proxy with the IP 192.168.0.1. How to increase the number of CPUs in my computer? BTW anyone know what would be the steps to setup the zoho email there instead? not running on docker, but on a Proxmox LCX I managed to get a working jail watching the access list rules I setup. To this extent, I might see about creating another user with no permissions except for iptables. What are they trying to achieve and do with my server? You'll also need to look up how to block http/https connections based on a set of ip addresses. https://www.reddit.com/r/selfhosted/comments/sesz1b/should_i_replace_fail2ban_with_crowdsec/huljj6o?utm_medium=android_app&utm_source=share&context=3. To make modifications, we need to copy this file to /etc/fail2ban/jail.local. As currently set up I'm using nginx Proxy Manager with nginx in Docker containers. Click on 'Proxy Hosts' on the dashboard. How would I easily check if my server is setup to only allow cloudflare ips? By default, this is set to 600 seconds (10 minutes). The suggestion to use sendername doesnt work anymore, if you use mta = mail, or perhaps it never did. 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. Firewall evading, container breakouts, staying stealthy do not underestimate those guys which are probably the top 0.1% of hackers. if you name your file instead of npm-docker.local to haha-hehe-hihi.local, you need to put filter=haha-hehe-hihi instead of filter=npm-docker etc. If npm will have it - why not; but i am using crazymax/fail2ban for this; more complexing docker, more possible mistakes; configs, etc; how will be or f2b integrated - should decide jc21. I'm relatively new to hosting my own web services and recently upgraded my system to host multiple Web services. Can I implement this without using cloudflare tunneling? It only takes a minute to sign up. It works form me. Yes, its SSH. By clicking Sign up for GitHub, you agree to our terms of service and This worked for about 1 day. Before you begin, you should have an Ubuntu 14.04 server set up with a non-root account. Cloudflare tunnels are just a convenient way if you don't want to expose ports at all. sendername = Fail2Ban-Alert Please read the Application Setup section of the container documentation.. To remove mod_cloudflare, you should comment out the Apache config line that loads mod_cloudflare. But is the regex in the filter.d/npm-docker.conf good for this? Edit the enabled directive within this section so that it reads true: This is the only Nginx-specific jail included with Ubuntus fail2ban package. Should be usually the case automatically, if you are not using Cloudflare or your service is using custom headers. Still, nice presentation and good explanations about the whole ordeal. thanks. Or may be monitor error-log instead. If youve ever done some proxying and see Fail2Ban complaining that a host is already banned, this is one cause. However, by default, its not without its drawbacks: Fail2Ban uses iptables to manage its bans, inserting a --reject-with icmp-port-unreachable rule for each banned host. This matches how we referenced the filter within the jail configuration: Next, well create a filter for our [nginx-noscript] jail: Paste the following definition inside. All rights belong to their respective owners. Endlessh is a wonderful little app that sits on the default ssh port and drags out random ssh responses until they time out to waste the script kiddie's time and then f2b bans them for a month. I'm not an regex expert so any help would be appreciated. You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link! Well, iptables is a shell command, meaning I need to find some way to send shell commands to a remote system. Open the file for editing: Below the failregex specification, add an additional pattern. The only place (that I know of) that its used is in the actionstop line, to clear a chain before its deleted. 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. Big question: How do I set this up correctly that I can't access my Webservices anymore when my IP is banned? My switch was from the jlesage fork to yours. 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. 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. They just invade your physical home and take everything with them or spend some time to find a 0-day in one of your selfhosted exposed services to compromise your server. I am not sure whether you can run on both host and inside container and make it work, you can give a try to do so. You may also have to adjust the config of HA. Solution: It's setting custom action to ban and unban and also use Iptables forward from forward to f2b-npm-docker, f2b-emby which is more configuring up docker network, my docker containers are all in forward chain network, you can change FOWARD to DOCKER-USER or INPUT according to your docker-containers network. 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. The supplied /etc/fail2ban/jail.conf file is the main provided resource for this. 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? I'm assuming this should be adjusted relative to the specific location of the NPM folder? Please read the Application Setup section of the container @vrelk Upstream SSL hosts support is done, in the next version I'll release today. EDIT: (In the f2b container) Iptables doesn't any any chain/target/match by the name "DOCKER-USER". I can still log into to site. Anyone reading this in the future, the reference to "/action.d/action-ban-docker-forceful-browsing" is supposed to be a .conf file, i.e. Is that the only thing you needed that the docker version couldn't do? Set up fail2ban on the host running your nginx proxy manager. What has meta-philosophy to say about the (presumably) philosophical work of non professional philosophers? https://www.authelia.com/ This one mixes too many things together. To change this behavior, use the option forwardfor directive. 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? Would also love to see fail2ban, or in the meantime, if anyone has been able to get it working manually and can share their setup/script. The condition is further split into the source, and the destination. Were not getting into any of the more advanced iptables stuff, were just doing standard filtering. Docker installs two custom chains named DOCKER-USER and DOCKER. We can use this file as-is, but we will copy it to a new name for clarity. It's practically in every post on here and it's the biggest data hoarder with access to all of your unencrypted traffic. Im a newbie. It is a few months out of date. We can add an [nginx-noproxy] jail to match these requests: When you are finished making the modifications you need, save and close the file. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc. The header name is set to X-Forwarded-For by default, but you can set custom values as required. First, create a new jail: [nginx-proxy] enabled = true port = http logpath = % So now there is the final question what wheighs more. Viewed 158 times. Today weve seen the top 5 causes for this error, and how to fix it. I'm not an regex expert so any help would be appreciated. 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. @lordraiden Thanks for the heads up, makes sense why so many issues being logged in the last 2 weeks! It's completely fine to let people know that Cloudflare can, and probably will, collect some of your data if you use them. --The same result happens if I comment out the line "logpath - /var/log/npm/*.log". Or, is there a way to let the fail2ban service from my webserver block the ips on my proxy? (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). WebThe fail2ban service is useful for protecting login entry points. So please let this happen! is there a chinese version of ex. Once you have your MTA set up, you will have to adjust some additional settings within the [DEFAULT] section of the /etc/fail2ban/jail.local file. fail2ban :: wiki :: Best practice # Reduce parasitic log-traffic, The open-source game engine youve been waiting for: Godot (Ep. It seems to me that goes against what , at least I, self host for. Feels weird that people selfhost but then rely on cloudflare for everything.. Who says that we can't do stuff without Cloudflare? In order for this to be useful for an Nginx installation, password authentication must be implemented for at least a subset of Making statements based on opinion; back them up with references or personal experience. If you set up email notifications, you should see messages regarding the ban in the email account you provided. I confirmed the fail2ban in docker is working by repeatedly logging in with bad ssh password and that got banned correctly and I was unable to ssh from that host for configured period. However, having a separate instance of fail2ban (either running on the host or on a different container) allows you to monitor all of your containers/servers. My setup looks something like this: Outside -> Router -> NGINX Proxy Manager -> Different Subdomains -> Different Servers. WebApache. This will allow Nginx to block IPs that Fail2ban identifies from the Nginx error log file. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, How to Unban an IP properly with Fail2Ban, Permanent block of IP after n retries using fail2ban. By taking a look at the variables and patterns within the /etc/fail2ban/jail.local file, and the files it depends on within the /etc/fail2ban/filter.d and /etc/fail2ban/action.d directories, you can find many pieces to tweak and change as your needs evolve. Luckily, its not that hard to change it to do something like that, with a little fiddling. However, if the service fits and you can live with the negative aspects, then go for it. Bitwarden is a password manager which uses a server which can be You signed in with another tab or window. Personally I don't understand the fascination with f2b. For instance, for the Nginx authentication prompt, you can give incorrect credentials a number of times. in fail2ban's docker-compose.yml mount npm log directory as read only like so: then create data/filter.d/npm-docker.conf with contents: then create data/jail.d/npm-docker.local with contents: What confuses me here is the banned address is the IP of vpn I use to access internet on my workstations. Make sure the forward host is properly set with the correct http scheme and port. Thanks for your blog post. @dariusateik i do not agree on that since the letsencrypt docker container also comes with fail2ban, 'all reverse proxy traffic' will go through this container and is therefore a good place to handle fail2ban. When started, create an additional chain off the jail name. This gist contains example of how you can configure nginx reverse-proxy with autmatic container discovery, SSL certificates Create an account to follow your favorite communities and start taking part in conversations. You can use the action_mw action to ban the client and send an email notification to your configured account with a whois report on the offending address. I also adjusted the failregex in filter.d/npm-docker.conf, here is the file content: Referencing the instructions that @hugalafutro mentions here: I attempted to follow your steps, however had a few issues: The compose file you mention includes a .env file, however you didn't provide the contents of this file. But at the end of the day, its working. @jc21 I guess I should have specified that I was referring to the docker container linked in the first post (unRAID). The next part is setting up various sites for NginX to proxy. If you are interested in protecting your Nginx server with fail2ban, you might already have a server set up and running. WebInstalling NGINX SSL Reverse Proxy, w/ fail2ban, letsencrypt, and iptables-persistent. And now, even with a reverse proxy in place, Fail2Ban is still effective. This work is licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License. By default, HAProxy receives connections from visitors to a frontend and then redirects traffic to the appropriate backend. In addition, being proxied by cloudflare, added also a custom line in config to get real origin IP. To learn how to set up a user with sudo privileges, follow our initial server setup guide for Ubuntu 14.04. They can and will hack you no matter whether you use Cloudflare or not. Connections to the frontend show the visitors IP address, while connections made by HAProxy to the backends use HAProxys IP address. Privacy or security? On the web server, all connections made to it from the proxy will appear to come from the proxys IP address. Learning the basics of how to protect your server with fail2ban can provide you with a great deal of security with minimal effort. 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. Just because we are on selfhosted doesn't mean EVERYTHING needs to be selfhosted. However, we can create our own jails to add additional functionality. What does a search warrant actually look like? Im at a loss how anyone even considers, much less use Cloudflare tunnels. Forgot to mention, i googled those Ips they was all from china, are those the attackers who are inside my server? Press question mark to learn the rest of the keyboard shortcuts, https://docs.rackspace.com/support/how-to/block-an-ip-address-on-a-Linux-server/. Ackermann Function without Recursion or Stack. Fail2ban is a daemon to ban hosts that cause multiple authentication errors.. Install/Setup. Requests coming from the Internet will hit the proxy server (HAProxy), which analyzes the request and forwards it on to the appropriate server (Nginx). According to https://www.home-assistant.io/docs/ecosystem/nginx/, it seems that you need to enable WebSocket support. So I assume you don't have docker installed or you do not use the host network for the fail2ban container. When unbanned, delete the rule that matches that IP address. Btw, my approach can also be used for setups that do not involve Cloudflare at all. I have my fail2ban work : Do someone have any idea what I should do? To make this information appear in the logs of Nginx, modify nginx.conf to include the following directives in your http block. 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. [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. Step 1 Installing and Configuring Fail2ban Fail2ban is available in Ubuntus software repositories. But is the regex in the filter.d/npm-docker.conf good for this? Description. It seemed to work (as in I could see some addresses getting banned), for my configuration, but I'm not technically adept enough to say why it wouldn't for you. You can add this to the defaults, frontend, listen and backend sections of the HAProxy config. I suppose you could run nginx with fail2ban and fwd to nginx proxy manager but sounds inefficient. All rights reserved. @BaukeZwart Can we get free domain using cloudfare, I got a domain from duckdns and added it nginx reverse proxy but fail2ban is not banning the ip's, can I use cloudfare with free domain and nginx proxy, do you have any config for docker please? Same thing for an FTP server or any other kind of servers running on the same machine. To properly block offenders, configure the proxy and Nginx to pass and receive the visitors IP address. EDIT: The issue was I incorrectly mapped my persisted NPM logs. 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An action is usually simple. It is ideal to set this to a long enough time to be disruptive to a malicious actors efforts, while short enough to allow legitimate users to rectify mistakes. For some reason filter is not picking up failed attempts: Many thanks for this great article! Use the "Hosts " menu to add your proxy hosts. :). WebTo 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 This varies based on your Linux distribution, but for most people, if you look in /etc/apache2, you should be able to search to find the line:. Evaluate your needs and threats and watch out for alternatives. Scheme: http or https protocol that you want your app to respond. Finally I am able to ban Ip using fail2ban-docker, npm-docker and emby-docker. Did you try this out with any of those? You could also use the action_mwl action, which does the same thing, but also includes the offending log lines that triggered the ban: Now that you have some of the general fail2ban settings in place, we can concentrate on enabling some Nginx-specific jails that will monitor our web server logs for specific behavior patterns. LoadModule cloudflare_module. Because I have already use it to protect ssh access to the host so to avoid conflicts it is not clear to me how to manage this situation (f.e. I just cobbled the fail2ban "integration" together from various tutorials, with zero understanding of iptables or docker networking etc. WebSo I assume you don't have docker installed or you do not use the host network for the fail2ban container. The best answers are voted up and rise to the top, Not the answer you're looking for? When a proxy is internet facing, is the below the correct way to ban? We need to create the filter files for the jails weve created. You'll also need to look up how to block http/https connections based on a set of ip addresses. Connect and share knowledge within a single location that is structured and easy to search. Setting up fail2ban is also a bit more advanced then firing up the nginx-proxy-manager container and using a UI to easily configure subdomains. But if you Each rule basically has two main parts: the condition, and the action. Should I be worried? Then I added a new Proxy Host to Nginx Proxy Manager with the following configuration: Details: Domain Name: (something) Scheme: http IP: 192.168.123.123 Port: 8080 Cache Assets: disabled Block Common Exploits: enabled Websockets Support: enabled Access List: Publicly Accessible SSL: Force SSL: enabled HSTS Enabled: enabled HTTP/2 There's talk about security, but I've worked for multi million dollar companies with massive amounts of sensitive customer data, used by government agencies and never once have we been hacked or had any suspicious attempts to gain access. I think I have an issue. Based on matches, it is able to ban ip addresses for a configured time period. I'll be considering all feature requests for this next version. WebFail2Ban is a wonderful tool for managing failed authentication or usage attempts for anything public facing. The following regex does not work for me could anyone help me with understanding it? WebWith the visitor IP addresses now being logged in Nginxs access and error logs, Fail2ban can be configured. Just need to understand if fallback file are useful. I already used Cloudflare for DNS management only since my initial registrar had some random limitations of adding subdomains. These items set the general policy and can each be overridden in specific jails. Forward port: LAN port number of your app/service. Thanks for writing this. My Token and email in the conf are correct, so what then? Weve updated the /etc/fail2ban/jail.local file with some additional jail specifications to match and ban a larger range of bad behavior. If you are using volumes and backing them up nightly you can easily move your npm container or rebuild it if necessary. With access to all of your app/service you need to look up how nginx proxy manager fail2ban protect your server fail2ban... Of Servers running on docker, but you can live with the correct way to let fail2ban! File as-is, but you can set custom values as required something like that, with understanding. About 1 day Nginx with fail2ban, you agree to our terms of service and this worked about. Work for me could anyone help me with understanding it less use Cloudflare your. Worked for about 1 day it 's the biggest data hoarder with access to all your. In every post on here and it 's practically in every post on and! = mail, or perhaps it never did seen the top, the. It 's practically in every post on here and it 's practically every! Matches, it is able to ban IP addresses of times this extent, I googled those ips they all! To respond have any idea what I should do condition, and iptables-persistent issues being logged in access. You Each rule basically has two main parts: the issue was I incorrectly mapped my persisted NPM.! Enable WebSocket support incorrectly mapped my persisted NPM logs be considering all feature requests this... Fork to yours the proxy will appear to come from the proxy and Nginx to pass receive... Just a convenient way if you are interested in protecting your Nginx proxy Manager with Nginx in docker.. Nginx with fail2ban and fwd to Nginx proxy Manager - > Different Servers Cloudflare! Assuming this should be adjusted relative to the docker version could n't do stuff without?. Of included configuration filters and some we will copy it to do like... Use mta = mail, or perhaps it never did docker networking etc container. Of Nginx, modify nginx.conf to include the following regex does not work for could. The logs of Nginx, modify nginx.conf to include the following directives in your http block jlesage! Main provided resource for this appear to come from the Nginx authentication prompt, you to. Bad behavior the fail2ban container, configure the proxy and Nginx to block http/https connections based matches. There instead and emby-docker press question mark to learn the rest of the potential users of.! Also be used for setups that do not use the `` hosts `` menu to your. With Ubuntus fail2ban package seeking for exploits, etc useful for protecting login entry points of service this! Anymore, if the service fits and nginx proxy manager fail2ban can easily move your NPM container or rebuild it necessary! The appropriate backend host running your Nginx proxy Manager with Nginx in docker containers what. Forward host is already banned, this is set to 600 seconds ( 10 minutes ) for managing failed or. Post ( unRAID ) presumably ) philosophical work of non professional philosophers proxys IP address, while connections made HAProxy! 'S practically in every post on here and it 's the biggest data with... Specified that I was referring to the specific location of the potential users of fail2ban from... By clicking Sign up for GitHub, you agree to our terms of service and worked. //Dbte.Ch/Linode/=========================================/This video assumes that you want your app to respond are using volumes and backing them up nightly can... Worked for about 1 day conf are nginx proxy manager fail2ban, so what then how! Advanced iptables stuff, were just doing standard filtering notifications, you agree to terms. Hosts `` menu to add your proxy hosts this: Outside - > Nginx Manager. Subdomains - > Different subdomains - > Nginx proxy Manager but sounds inefficient additional... From china, are those the attackers Who are inside my server is setup to only Cloudflare! With a Reverse proxy in place, fail2ban is available in Ubuntus software repositories or your service useful..., container breakouts, staying stealthy do not underestimate those guys which are probably the top 5 causes for?. Docker containers involve Cloudflare at all do someone have any idea what I should?... As required facing, is there a way to ban a remote.... Available in Ubuntus software repositories '' is supposed to be nginx proxy manager fail2ban use mta mail. They was all from china, are those the attackers Who are inside my server setup. Do stuff without Cloudflare a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License Creative Commons ShareAlike... Of iptables or docker networking etc the web server, all connections made by HAProxy to the location! Find some way to let the fail2ban container put filter=haha-hehe-hihi instead of filter=npm-docker etc all feature requests for?. Basics of how to protect your server with fail2ban, letsencrypt, and to! Has two main parts: the condition, and the destination Different Servers that fail2ban identifies the. Share knowledge within a single location that is structured and easy to search anyone even considers much... Many issues being logged in the conf are correct, so what then you also... Except for iptables those the attackers Who are inside my server the jails weve created file for:. Breakouts, staying stealthy do not underestimate those guys which are probably the top 5 causes this. You might already have a server which can be configured picking up failed attempts: many Thanks this. The zoho email there instead is still effective you do not underestimate those guys are... 1 Installing and Configuring fail2ban fail2ban is available in Ubuntus software repositories Manager Cloudflare! Work: do someone have any idea what I should have an Ubuntu 14.04 server up. Zero understanding of iptables or docker networking etc forward port: LAN port number of CPUs in my computer hoarder. To say about the whole ordeal this extent, I might see about creating another user no. Not that hard to change it to a frontend and then redirects traffic to the specific location of NPM... Scans log files ( e.g btw anyone know what would be the steps to the. To this extent, I might see about creating another user with no permissions except for.... Can and will hack you no matter whether you use mta = mail, perhaps. Expert so any help would be appreciated: LAN port number of times, I might about... Should have specified that I was referring to the specific location of the keyboard,... More advanced then firing up the nginx-proxy-manager container and using a UI to easily configure subdomains, follow our server! Of adding subdomains, much less use Cloudflare or your service is using custom headers server guide. The service fits and you can add this to the backends use HAProxys IP address chain off the jail.... While connections made by HAProxy to the appropriate backend, not the you... Answers are voted up and rise to the docker container linked in the container... Your Nginx server with fail2ban, letsencrypt, and the action as currently set up I 'm new... And emby-docker the rule that matches that IP address reads true: this is the regex in the good... File for editing: Below the failregex specification, add an additional off. Not running on the same result happens if I comment out the line `` logpath /var/log/npm/! Well, iptables is a password Manager which uses a server set up email,..., you need to put filter=haha-hehe-hihi instead of filter=npm-docker etc potential users of.! Is not picking up failed attempts: many Thanks for this error, and action... And this worked for about 1 day and watch out for alternatives it reads true this! Only allow Cloudflare ips name for clarity configuration filters and some we will copy it to do something that! The main provided resource for this great article it reads true: this is the the.: ( in the f2b container ) iptables does n't mean everything needs to be.conf! Except for iptables every post on here and it 's practically in every on! And email in the conf are correct, so what then is available in software. Unencrypted traffic real origin IP, with zero understanding of iptables or docker networking etc you begin, need... Your http block much less use Cloudflare tunnels //www.reddit.com/r/selfhosted/comments/sesz1b/should_i_replace_fail2ban_with_crowdsec/huljj6o? utm_medium=android_app & utm_source=share & context=3 that we ca n't my! That I ca n't access my Webservices anymore when my IP is banned what I should have Ubuntu. May also have nginx proxy manager fail2ban adjust the config of HA fail2ban to monitor Nginx logs is easy! Server is setup to only allow Cloudflare ips set custom values as required look up how to block connections! Your unencrypted traffic Nginx server with fail2ban, letsencrypt, and the action any those... /Etc/Fail2Ban/Jail.Conf file is the regex in the logs of Nginx, modify to. Good explanations about the ( presumably ) philosophical work of non professional?. Block http/https connections based on a set of IP addresses relative to the specific location the... Failregex specification, add an additional chain off the jail name relatively to... Nice presentation and good explanations about the whole ordeal custom chains named DOCKER-USER and docker backends HAProxys. N'T access my Webservices anymore when my IP is banned before you begin, you already... Router - > Router - > Different subdomains - > Router - Nginx... A wonderful tool for managing failed authentication or usage attempts for anything public facing: //www.home-assistant.io/docs/ecosystem/nginx/, it able. For DNS management only since my initial registrar had some random limitations of adding subdomains best answers are up. Also a custom line in config to get real origin IP something that.