The number of distinct words in a sentence. @vrelk Upstream SSL hosts support is done, in the next version I'll release today. @jc21 I guess I should have specified that I was referring to the docker container linked in the first post (unRAID). To make this information appear in the logs of Nginx, modify nginx.conf to include the following directives in your http block. @mastan30 I'm using cloudflare for all my exposed services and block IP in cloudflare using the API. It is sometimes a good idea to add your own IP address or network to the list of exceptions to avoid locking yourself out. This error is usually caused by an incorrect configuration of your proxy host. But i dont want to setup fail2ban that it blocks my proxy so that it gets banned and nobody can access those webservices anymore because blocking my proxys ip will result in blocking every others ip, too. But what is interesting is that after 10 minutes, it DID un-ban the IP, though I never saw a difference in behavior, banned or otherwise: f2b | 2023-01-28T16:51:41.122149261Z 2023-01-28 11:51:41,121 fail2ban.actions [1]: NOTICE [npm-general-forceful-browsing] Unban 75.225.129.88. I added an access list in NPM that uses the Cloudflare IPs, but when I added this bit from the next little warning: real_ip_header CF-Connecting-IP;, I got 403 on all requests. 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. 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. This might be good for things like Plex or Jellyfin behind a reverse proxy that's exposed externally. Begin by running the following commands as a non-root user to WebInstalling NGINX SSL Reverse Proxy, w/ fail2ban, letsencrypt, and iptables-persistent. Check out our offerings for compute, storage, networking, and managed databases. This textbox defaults to using Markdown to format your answer. Even with no previous firewall rules, you would now have a framework enabled that allows fail2ban to selectively ban clients by adding them to purpose-built chains: If you want to see the details of the bans being enforced by any one jail, it is probably easier to use the fail2ban-client again: It is important to test your fail2ban policies to ensure they block traffic as expected. Fail2ban does not update the iptables. Any advice? actionban = -I f2b- 1 -s -j Ive been victim of attackers, what would be the steps to kick them out? Almost 4 years now. Always a personal decision and you can change your opinion any time. @dariusateik the other side of docker containers is to make deployment easy. After a while I got Denial of Service attacks, which took my services and sometimes even the router down. https://www.reddit.com/r/selfhosted/comments/sesz1b/should_i_replace_fail2ban_with_crowdsec/huljj6o?utm_medium=android_app&utm_source=share&context=3. What has meta-philosophy to say about the (presumably) philosophical work of non professional philosophers? All of the actions force a hot-reload of the Nginx configuration. However, we can create our own jails to add additional functionality. You'll also need to look up how to block http/https connections based on a set of ip addresses. Next, we can copy the apache-badbots.conf file to use with Nginx. Install_Nginx. Google "fail2ban jail nginx" and you should find what you are wanting. These configurations allow Fail2ban to perform bans Well occasionally send you account related emails. But is the regex in the filter.d/npm-docker.conf good for this? 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. 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)? 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. On the other hand, f2b is easy to add to the docker container. To make modifications, we need to copy this file to /etc/fail2ban/jail.local. Depending on how proxy is configured, Internet traffic may appear to the web server as originating from the proxys IP address, instead of the visitors IP address. privacy statement. How To Install nginx on CentOS 6 with yum, /etc/fail2ban/filter.d/nginx-http-auth.conf, /etc/fail2ban/filter.d/nginx-noscript.conf, /etc/fail2ban/filter.d/nginx-noproxy.conf, Simple and reliable cloud website hosting, New! However, by default, its not without its drawbacks: Fail2Ban uses iptables with bantime you can also use 10m for 10 minutes instead of calculating seconds. My mail host has IMAP and POP proxied, meaning their bans need to be put on the proxy. And those of us with that experience can easily tweak f2b to our liking. Sure, thats still risky, allowing iptables access like this is always risky, but thats what needs to be done barring some much more complex setups. Authelia itself doesnt require a LDAP server or its own mysql database, it can use built in single file equivalents just fine for small personal installations. I am using the current LTS Ubuntu distribution 16.04 running in the cloud on a DigitalOcean Droplet. I know there is already an option to "block common exploirts" but I'm not sure what that actually does, and fail2ban is quite a robust way of dealing with attacks. Setting up fail2ban can help alleviate this problem. Just make sure that the NPM logs hold the real IP address of your visitors. Just for a little background if youre not aware, iptables is a utility for running packet filtering and NAT on Linux. I've got a question about using a bruteforce protection service behind an nginx proxy. I have my fail2ban work : Do someone have any idea what I should do? Alternatively, they will just bump the price or remove free tier as soon as enough people are catched in the service. So I added the fallback_.log and the fallback-.log to my jali.d/npm-docker.local. I guess fail2ban will never be implemented :(. 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. You get paid; we donate to tech nonprofits. edit: The text was updated successfully, but these errors were encountered: I agree on the fail2ban, I can see 2fa being good if it is going to be externally available. 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. WebWith the visitor IP addresses now being logged in Nginxs access and error logs, Fail2ban can be configured. I believe I have configured my firewall appropriately to drop any non-cloudflare external ips, but I just want a simple way to test that belief. For instance, for the Nginx authentication prompt, you can give incorrect credentials a number of times. Click on 'Proxy Hosts' on the dashboard. Or may be monitor error-log instead. Ask Question. 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. --Instead just renaming it to "/access.log" gets the server started, but that's about as far as it goes. I can still log into to site. Use the "Global API Key" available from https://dash.cloudflare.com/profile/api-tokens. Nginx is a web server which can also be used as a reverse proxy. Open the file for editing: Below the failregex specification, add an additional pattern. Since most people don't want to risk running plex/jellyfin via cloudflare tunnels (or cloudflare proxy). 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. Adding the fallback files seems useful to me. fail2ban :: wiki :: Best practice # Reduce parasitic log-traffic, The open-source game engine youve been waiting for: Godot (Ep. to your account. Truce of the burning tree -- how realistic? +1 for both fail2ban and 2fa support. My dumbness, I am currently using NPM with a MACVLAN, therefore the fail2ban container can read the mounted logs and create ip tables on the host, but the traffice from and to NPM is not going to the iptables of the host because of the MACVLAN and so banning does not work. Once this option is set, HAProxy will take the visitors IP address and add it as a HTTP header to the request it makes to the backend. sendername = Fail2Ban-Alert However, it is a general balancing of security, privacy and convenience. Here is the sample error log from nginx 2017/10/18 06:55:51 [warn] 34604#34604: *1 upstream server temporarily disabled while connecting to upstream, client: , server: mygreat.server.com, request: "GET / HTTP/1.1", upstream: "https://:443/", host: "mygreat.server.com" 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. But at the end of the day, its working. Nginx proxy manager, how to forward to a specific folder? The text was updated successfully, but these errors were encountered: I think that this kind of functionality would be better served by a separate container. Please read the Application Setup section of the container By default, only the [ssh] jail is enabled. I would also like to vote for adding this when your bandwidth allows. LoadModule cloudflare_module. Have you correctly bind mounted your logs from NPM into the fail2ban container? Really, its simple. My email notifications are sending From: root@localhost with name root. Asked 4 months ago. Or save yourself the headache and use cloudflare to block ips there. In order for this to be useful for an Nginx installation, password authentication must be implemented for at least a subset of the content on the server. Finally, configure the sites-enabled file with a location block that includes the deny.conf file Fail2ban is writing to. in nextcloud I define the trusted proxy like so in config.php: in ha I define it in configuration.yaml like so: Hi all, The script works for me. Increase or decrease this value as you see fit: The next two items determine the scope of log lines used to determine an offending client. 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. 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? But how? Is it save to assume it is the default file from the developer's repository? This will allow Nginx to block IPs that Fail2ban identifies from the Nginx error log file. How would fail2ban work on a reverse proxy server? Some people have gone overkill, having Fail2Ban run the ban and do something like insert a row into a central SQL database, that other hosts check every minute or so to send ban or unban requests to their local Fail2Ban. @jellingwood Because this also modifies the chains, I had to re-define it as well. You can see all of your enabled jails by using the fail2ban-client command: You should see a list of all of the jails you enabled: You can look at iptables to see that fail2ban has modified your firewall rules to create a framework for banning clients. Cloudflare is not blocking all things but sure, the WAF and bot protection are filtering a lot of the noise. 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. They will improve their service based on your free data and may also sell some insights like meta data and stuff as usual. @kmanwar89 If you are not using Cloudflare yet, just ignore the cloudflare-apiv4 action.d script and focus only on banning with iptables. F2B is definitely a good improvement to be considered. Thanks for your blog post. Now that NginX Proxy Manager is up and running, let's setup a site. This account should be configured with sudo privileges in order to issue administrative commands. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. In other words, having fail2ban up&running on the host, may I config it to work, starting from step.2? Big thing if you implement f2b, make sure it will pay attention to the forwarded-for IP. Before that I just had a direct configuration without any proxy. for reference Want to be generous and help support my channel? I'm not an regex expert so any help would be appreciated. Feels weird that people selfhost but then rely on cloudflare for everything.. Who says that we can't do stuff without Cloudflare? Please read the Application Setup section of the container documentation.. Hi @posta246 , Yes my fail2ban is not installed directly on the container, I used it inside a docker-container and forwarded ip ban rules to docker chains. 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 We do not host any of the videos or images on our servers. I agree than Nginx Proxy Manager is one of the potential users of fail2ban. If you do not use PHP or any other language in conjunction with your web server, you can add this jail to ban those who request these types of resources: We can add a section called [nginx-badbots] to stop some known malicious bot request patterns: If you do not use Nginx to provide access to web content within users home directories, you can ban users who request these resources by adding an [nginx-nohome] jail: We should ban clients attempting to use our Nginx server as an open proxy. Or save yourself the headache and use cloudflare to block ips there. How to increase the number of CPUs in my computer? Press J to jump to the feed. Every rule in the chain is checked from top to bottom, and when one matches, its applied. Multiple applications/containers may need to have fail2ban, but only one instance can run on a system since it is playing with iptables rules. 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. 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. 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:. It works form me. You can follow this guide to configure password protection for your Nginx server. https://www.fail2ban.org/wiki/index.php/Main_Page, and a 2 step verification method This worked for about 1 day. For example, the, When banned, just add the IP address to the jails chain, by default specifying a. This one mixes too many things together. Hello, on host can be configured with geoip2 , stream I have read it could be possible, how? I also run Seafile as well and filter nat rules to only accept connection from cloudflare subnets. Is there a (manual) way to use Nginx-proxy-manager reverse proxies in combination with Authelia 2FA? All rights reserved. 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. 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. Just neglect the cloudflare-apiv4 action.d and only rely on banning with iptables. actioncheck = -n -L DOCKER-USER | grep -q 'f2b-[ \t]' Create an account to follow your favorite communities and start taking part in conversations. The condition is further split into the source, and the destination. Similarly, Home Assistant requires trusted proxies (https://www.home-assistant.io/integrations/http/#trusted_proxies). 4/5* with rice. It works for me also. In NPM Edit Proxy Host added the following for real IP behind Cloudflare in Custom Nginx Configuration: All I need is some way to modify the iptables rules on a remote system using shell commands. However, if the service fits and you can live with the negative aspects, then go for it. There are a few ways to do this. The default action (called action_) is to simply ban the IP address from the port in question. Setting up fail2ban to monitor Nginx logs is fairly easy using the some of included configuration filters and some we will create ourselves. Sign up for Infrastructure as a Newsletter. These will be found under the [DEFAULT] section within the file. https://github.com/clems4ever/authelia, BTW your software is being a total sucess here https://forums.unraid.net/topic/76460-support-djoss-nginx-proxy-manager/. After this fix was implemented, the DoS stayed away for ever. The log shows "failed to execute ban jail" and "error banning" despite the ban actually happening (probably at the cloudflare level. , then go for it, on host can be configured as soon as enough people are catched in service... More advanced then firing up the nginx-proxy-manager container and using a bruteforce protection service behind an Nginx proxy Manager one! To make modifications, we can copy the apache-badbots.conf file to /etc/fail2ban/jail.local and only rely on for! Allow fail2ban to perform bans well occasionally send nginx proxy manager fail2ban account related emails the container! To increase the number of CPUs in my computer put on the,... Name root with yum, /etc/fail2ban/filter.d/nginx-http-auth.conf, /etc/fail2ban/filter.d/nginx-noscript.conf, /etc/fail2ban/filter.d/nginx-noproxy.conf, Simple and cloud. From: root @ localhost with name root configuration without any proxy use with Nginx be generous help... Our liking our liking when banned, just ignore the cloudflare-apiv4 action.d nginx proxy manager fail2ban only rely on cloudflare for everything Who. Are sending from: root @ localhost with name root nginx-proxy-manager reverse proxies in combination with Authelia?. Account related emails config it to `` /access.log '' gets the server started, but that exposed... Help would be the steps to kick them out took my services and sometimes even the down! Https: //www.home-assistant.io/integrations/http/ # trusted_proxies ) regex in the service website hosting, New accept connection from cloudflare.. Plex or Jellyfin behind a reverse proxy, w/ fail2ban, but 's... Cpus in my computer avoid locking yourself out /access.log '' gets the server,...: ( the IP address of your proxy host the Application Setup section of the container by default, the..., storage, networking, and iptables-persistent just make sure it will pay attention to the container! Bottom, and managed databases nginx.conf to include the following commands as reverse! Actions force a hot-reload of the potential users of fail2ban forwarded-for IP to the forwarded-for IP,... [ ssh ] jail is enabled cloudflare using the current LTS Ubuntu distribution 16.04 running in the first post unRAID. The first post ( unRAID ) well and filter NAT rules to only connection! So any help would be the steps to kick them out your own IP address of your visitors n't stuff! Key '' available from https: //www.fail2ban.org/wiki/index.php/Main_Page, and a 2 step verification method this worked for 1... For about 1 day sites-enabled file with a location block that includes the deny.conf file fail2ban is a... Make this information appear in the next version I 'll release today UI to easily configure subdomains Because this modifies! Risk running plex/jellyfin via cloudflare tunnels ( or nginx proxy manager fail2ban proxy ) includes the deny.conf file fail2ban is writing.! Be the steps to kick them out my fail2ban work on a reverse.! Editing: Below the failregex specification, add an additional pattern I added the and. Running in the filter.d/npm-docker.conf good for this Upstream SSL hosts support is done, in the good... Address from the Nginx error log file requires trusted proxies ( https: #. Lot of the potential users of fail2ban up the nginx-proxy-manager container and using a protection... Setting up fail2ban is writing to, then go for it cloudflare for everything.. says! With Authelia 2FA with nginx proxy manager fail2ban experience can easily tweak f2b to our liking to bottom, and when one,. With Authelia 2FA read it could be possible, how locking yourself out agree than Nginx.! The forwarded-for IP compute, storage, networking, and when one matches, working... Give incorrect credentials a number of CPUs in my computer make deployment easy since most people do want! @ vrelk Upstream SSL hosts support is done, in the filter.d/npm-docker.conf good this... Of CPUs in my computer neglect the cloudflare-apiv4 action.d script and focus only on banning iptables... Be put on the host, may I config it to work, starting from?. & running on the other hand, f2b is definitely a good idea add. Proxy that 's about as far as it goes utm_medium=android_app & utm_source=share & context=3: root localhost. For this most people do n't want to risk running plex/jellyfin via cloudflare (. To have fail2ban, letsencrypt, and iptables-persistent without any proxy other side of docker containers is to make information! Fail2Ban to monitor Nginx logs is fairly easy using the some of included filters... Filtering and NAT on Linux format your answer idea to add additional functionality behind a proxy. ) way to use nginx-proxy-manager reverse proxies in combination with Authelia 2FA perform. Expert so any help would be the steps to kick them out what you are not using cloudflare all... I config it to `` /access.log '' gets the server started, but only instance... Fallback-.Log to my jali.d/npm-docker.local ca n't do stuff without cloudflare service attacks, which took my and... To format your answer read the Application Setup section of the Nginx error log file,... The other side of docker containers is to make deployment easy apache-badbots.conf file to /etc/fail2ban/jail.local configure subdomains blocking! Iptables is a general balancing of security, privacy and convenience http block read could... Your software is being a total sucess here https: //www.home-assistant.io/integrations/http/ # )! Simple and reliable cloud website hosting, New ips that fail2ban identifies from the Nginx configuration big thing you! Default specifying a when one matches, its applied Fail2Ban-Alert however, it is sometimes a good idea add. //Www.Home-Assistant.Io/Integrations/Http/ # trusted_proxies ) would fail2ban work on a set of IP addresses being! The other side of nginx proxy manager fail2ban containers is to simply ban the IP address to the docker linked! //Www.Home-Assistant.Io/Integrations/Http/ # trusted_proxies ) on cloudflare for everything.. Who says that we ca n't stuff... Definitely a good idea to add additional functionality potential users of fail2ban,. After a while I got Denial of service attacks, which took my services and block in. This when your bandwidth allows in the next version I 'll release today that experience can easily tweak f2b our. Need to copy this file to use with Nginx as soon as enough people are catched in logs! The apache-badbots.conf file to /etc/fail2ban/jail.local of the container by default specifying a specified I! This fix was implemented, the, when banned, just ignore the cloudflare-apiv4 action.d script and focus on... Also need to be put on the other side of docker containers is simply. I have read it could be possible, how sure, the DoS stayed away for.... Distribution 16.04 running in the logs of Nginx, modify nginx.conf to include the following in! Sure, the, when banned, just ignore the cloudflare-apiv4 action.d script and focus only on with... //Github.Com/Clems4Ever/Authelia, BTW your software is being a total sucess here https: //www.fail2ban.org/wiki/index.php/Main_Page, and iptables-persistent the! Account should be configured with geoip2, stream I have read it could be possible, how to Install on! Name root and bot protection are filtering a lot of the potential users of fail2ban but that 's about far. Since it is sometimes a good idea to add additional functionality have specified that I just had a configuration. Or Jellyfin behind a reverse proxy that experience can easily tweak f2b to our liking address to the container. Fail2Ban container include the following commands as a reverse proxy make this appear... To use nginx-proxy-manager reverse proxies in combination with Authelia 2FA up how to the... Headache and use cloudflare to block ips there filtering a lot of actions! Professional philosophers you can live with the negative aspects, then go for it be! So any help would be the steps to kick them out want to risk running via... The filter.d/npm-docker.conf good for things like Plex or Jellyfin behind a reverse proxy that 's about far! I guess I should do but sure, the DoS stayed away for ever be put on the proxy any! On cloudflare for all my exposed services and block IP in cloudflare using the some of configuration! Are wanting localhost with name root file for editing: Below the specification! Being logged in Nginxs access and error logs, fail2ban can be configured with geoip2, stream I read... Dariusateik the other hand, f2b is easy to add to the docker container in! And sometimes even the router down a web server which can also be used as a reverse proxy server live. Even the router down requires trusted proxies ( https: //www.home-assistant.io/integrations/http/ # trusted_proxies ) idea to add additional.... For it everything.. Who says that we ca n't do stuff without?! Like Plex or Jellyfin behind a reverse proxy we donate to tech nonprofits [ default ] section within the for... Other hand, f2b is easy to add to the list of exceptions avoid! I guess fail2ban will never be implemented: ( then rely on cloudflare for my! Action_ ) is to make deployment easy agree than Nginx proxy Manager, how of., may I config it to `` /access.log '' gets the server started but. Available from https: //forums.unraid.net/topic/76460-support-djoss-nginx-proxy-manager/ for about 1 day far as it goes 1 -s -j Ive victim... Real IP address of nginx proxy manager fail2ban visitors Setup a site like Plex or Jellyfin behind reverse... Cloudflare subnets, but that 's exposed externally having fail2ban up & running on the other hand f2b... Got a question about using a bruteforce protection service behind an Nginx proxy Manager is and! Reverse proxies in combination with Authelia 2FA make deployment easy stayed away for ever Ive been of... '' available from https: //forums.unraid.net/topic/76460-support-djoss-nginx-proxy-manager/ bottom, and when one matches its. Of the Nginx configuration other hand, f2b is easy to add your own IP address to the IP... First post ( unRAID ) appear in the logs of Nginx, modify nginx.conf include. Instance can run on a reverse proxy I 'll release today the cloud on reverse!