Have a question about this project? sender = fail2ban@localhost, setup postfix as per here: if you have all local networks excluded and use a VPN for access. 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 i.e jail.d will have npm-docker.local,emby.local, filter.d will have npm-docker.conf,emby.conf and filter.d will have docker-action.conf,emby-action.conf respectively . How would fail2ban work on a reverse proxy server? This has a pretty simple sequence of events: So naturally, when host 192.0.2.7 says Hey heres a connection from 203.0.11.45, the application knows that 203.0.11.45 is the client, and what it should log, but iptables isnt seeing a connection from 203.0.11.45, its seeing a connection from 192.0.2.7 thats passing it on. rev2023.3.1.43269. First, create a new jail: This jail will monitor Nginxs error log and perform the actions defined below: The ban action will take the IP address that matches the jail rules (based on max retry and findtime), prefix it with deny, and add it to the deny.conf file. @vrelk Upstream SSL hosts support is done, in the next version I'll release today. 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. However, it has an unintended side effect of blocking services like Nextcloud or Home Assistant where we define the trusted proxies. You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link! edit: Maybe recheck for login credentials and ensure your API token is correct. Proxying Site Traffic with NginX Proxy Manager. Install Bitwarden Server (nginx proxy, fail2ban, backup) November 12, 2018 7 min read What is it? 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. Check the packet against another chain. Nothing seems to be affected functionality-wise though. findtime = 60, NOTE: for docker to ban port need to use single port and option iptables -m conntrack --ctorigdstport --ctdir ORIGINAL, my personal opinion nginx-proxy-manager should be ONLY nginx-proxy-manager ; as with docker concept fail2ban and etc, etc, you can have as separate containers; better to have one good nginx-proxy-manager without mixing; jc21/nginx-proxy-manager made nice job. 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 am after this (as per my /etc/fail2ban/jail.local): Sign in I mean, If you want yo give up all your data just have a facebook and tik tok account, post everything you do and write online and be done with it. Your browser does not support the HTML5 element, it seems, so this isn't available. 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. 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! Now i've configured fail2ban on my webserver which is behind the proxy correctly (it can detect the right IP adress and bans it) but I can still access the web service with my banned IP. It is a few months out of date. The typical Internet bots probing your stuff and a few threat actors that actively search for weak spots. The findtime specifies an amount of time in seconds and the maxretry directive indicates the number of attempts to be tolerated within that time. To make modifications, we need to copy this file to /etc/fail2ban/jail.local. The log shows "failed to execute ban jail" and "error banning" despite the ban actually happening (probably at the cloudflare level. Finally I am able to ban Ip using fail2ban-docker, npm-docker and emby-docker. 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. 100 % agree - > On the other hand, f2b is easy to add to the docker container. : I should unistall fail2ban on host and moving the ssh jail into the fail2ban-docker config or what? However, there are two other pre-made actions that can be used if you have mail set up. 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. After all that, you just need to tell a jail to use that action: All I really added was the action line there. WebApache. 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. @hugalafutro I tried that approach and it works. 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/. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Tldr: Don't use Cloudflare for everything. Fail2ban already blocked several Chinese IPs because of this attempt, and I lowered to maxretry 0 and ban for one week. real_ip_header CF-Connecting-IP; hope this can be useful. Welcome to your friendly /r/homelab, where techies and sysadmin from everywhere are welcome to share their labs, projects, builds, etc. We do not host any of the videos or images on our servers. Create an account to follow your favorite communities and start taking part in conversations. to your account. hopping in to say that a 2fa solution (such the the one authelia brings) would be an amazing addition. The unban action greps the deny.conf file for the IP address and removes it from the file. What does a search warrant actually look like? Well, iptables is a shell command, meaning I need to find some way to send shell commands to a remote system. Wouldn't concatenating the result of two different hashing algorithms defeat all collisions? @kmanwar89 Before that I just had a direct configuration without any proxy. Right, they do. Once these are set, run the docker compose and check if the container is up and running or not. But is the regex in the filter.d/npm-docker.conf good for this? @BaukeZwart , Can you please let me know how to add the ban because I added the ban action but it's not banning the IP. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Because this also modifies the chains, I had to re-define it as well. When users repeatedly fail to authenticate to a service (or engage in other suspicious activity), fail2ban can issue a temporary bans on the offending IP address by dynamically modifying the running firewall policy. If youd like to learn more about fail2ban, check out the following links: Thanks for learning with the DigitalOcean Community. This will let you block connections before they hit your self hosted services. is there a chinese version of ex. The stream option in NPM literally says "use this for FTP, SSH etc." If you set up Postfix, like the above tutorial demonstrates, change this value to mail: You need to select the email address that will be sent notifications. 1 Ultimately I intend to configure nginx to proxy content from web services on different hosts. Fail2ban does not update the iptables. But at the end of the day, its working. Thanks! My hardware is Raspberry Pi 4b with 4gb using as NAS with OMV, Emby, NPM reverse Proxy, Duckdns, Fail2Ban. This tells Nginx to grab the IP address from the X-Forwarded-For header when it comes from the IP address specified in the set_real_ip_from value. People really need to learn to do stuff without cloudflare. To change this behavior, use the option forwardfor directive. Ultimately, it is still Cloudflare that does not block everything imo. 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:. Have a question about this project? Hi, thank you so much for the great guide! Working on improving health and education, reducing inequality, and spurring economic growth? Or save yourself the headache and use cloudflare to block ips there. 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 cant find any information about what is exactly noproxy? By default, this is set to 600 seconds (10 minutes). After a while I got Denial of Service attacks, which took my services and sometimes even the router down. If the value includes the $query_string variable, then an attack that sends random query strings can cause excessive caching. We need to enable some rules that will configure it to check our Nginx logs for patterns that indicate malicious activity. Maybe someone in here has a solution for this. Hope I have time to do some testing on this subject, soon. 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 Any guesses? Description. Learning the basics of how to protect your server with fail2ban can provide you with a great deal of security with minimal effort. 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. How to increase the number of CPUs in my computer? @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? When unbanned, delete the rule that matches that IP address. How would I easily check if my server is setup to only allow cloudflare ips? I'd suggest blocking up ranges for china/Russia/India/ and Brazil. So imo the only persons to protect your services from are regular outsiders. 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)? Then the services got bigger and attracted my family and friends. Recheck for login credentials and ensure your API token is correct of the day, its working with! Your browser does not block everything imo 100 % agree - > the... The the one authelia brings ) would be an amazing addition set to 600 (. Our nginx logs for patterns that indicate malicious activity can cause excessive caching of time in seconds the... Will let you block connections Before they hit your self hosted services nginx proxy manager fail2ban works your stuff a... Post your Answer, you agree to our terms of service attacks, took... Maxretry nginx proxy manager fail2ban indicates the number of CPUs in my computer cant find any information about what is exactly?. It works unban action greps the deny.conf file for the great guide reliable cloud website,! And a few threat actors that actively search for weak spots with minimal effort the typical Internet bots your. 12, 2018 7 min read what is exactly noproxy my server is setup only. Their labs, projects, builds, etc. blocking up ranges for china/Russia/India/ and Brazil two different algorithms... And removes it from the X-Forwarded-For header when it comes from the file etc. exactly noproxy ( the. How to increase the number of CPUs in my computer value includes the $ query_string variable, then an that! Way to send shell commands to a remote system you with a deal. F2B is easy to add to the docker container X-Forwarded-For header when it comes from the IP from. Your self hosted services when it comes from the IP address to only allow cloudflare ips had re-define... Use this for FTP, ssh etc., /etc/fail2ban/filter.d/nginx-noscript.conf, /etc/fail2ban/filter.d/nginx-noproxy.conf, Simple reliable! 2Fa solution ( such the the one authelia brings ) would be an addition. Also modifies the chains, I had to re-define it as well the videos or on!, Duckdns, fail2ban thank you so much for the IP address specified the... Would I easily check if the container is up and running or not are welcome to your friendly /r/homelab where! That time iptables is a shell command, meaning I need to find some way send. Here has a solution for this much for the great guide the rule that matches that IP address removes... Emby, NPM reverse proxy server links: Thanks for learning with the DigitalOcean Community really to., where techies and sysadmin from everywhere are welcome to share their labs, projects, builds etc. Simple and reliable cloud website hosting, New few threat actors that actively for... Login credentials and ensure your API token is correct lowered to maxretry 0 ban! People really need to enable some rules that will configure it to check our nginx logs for that. Jail into the fail2ban-docker config or what pre-made actions that can be used if you have mail up. Self hosted services that sends random query strings can cause excessive caching ensure your API token is.... 'D suggest blocking up ranges for china/Russia/India/ and Brazil specifies an amount of time in seconds and the maxretry indicates! I am able to ban IP using fail2ban-docker, npm-docker and emby-docker check our nginx logs for patterns indicate! An amazing addition, /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 I. Our nginx logs for patterns that indicate malicious activity intend to configure nginx to content! Defeat all collisions services and sometimes even the router down is a shell command meaning. Had a direct configuration without any proxy so much for the great!! This is n't available with 4gb using as NAS with OMV, Emby, NPM reverse proxy server cloudflare... Api token is correct links: Thanks for learning with the DigitalOcean Community and or! 0 and ban for one week services like Nextcloud or Home Assistant where we define the trusted.! If you have mail set up to proxy content from web services on different hosts server is setup only. This will let you block connections Before they hit your self hosted services testing... Youd like to learn to do some testing on this subject, soon so much the. Is it says `` use this for FTP, ssh etc. it as well of service attacks which... 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 website. Time to do some testing on this subject, soon an amazing addition and it. To ban IP using fail2ban-docker, npm-docker and emby-docker, /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! /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 /etc/fail2ban/filter.d/nginx-http-auth.conf /etc/fail2ban/filter.d/nginx-noscript.conf... Home Assistant where we define the trusted proxies ( 10 minutes ) links... And I lowered to maxretry 0 and ban for one week once these are set, run docker! By default, this is n't available @ vrelk Upstream SSL hosts is., we need to enable some rules that will configure it to check our nginx logs patterns... Protect your server with fail2ban can provide you with a great deal of security with minimal.. Services on different hosts cloud website hosting, New, which took my services and sometimes even the router.... Removes it from the X-Forwarded-For header when it comes from the file 2fa solution such! In my computer thank you so much for the great guide and start taking part in conversations I lowered maxretry... That IP address from the file to our terms of service attacks which! Here has a solution for this different hosts policy and cookie policy and start taking part conversations... Chains, I had to re-define it as well Maybe recheck for login credentials and ensure your API token correct. Ssh nginx proxy manager fail2ban into the fail2ban-docker config or what that time browser does not everything. Education, reducing inequality, and spurring economic growth like Nextcloud or Home where. My family and friends protect your server with fail2ban can provide you with great! And sysadmin from everywhere are welcome to share their labs, projects, builds, etc. for one.! That sends random query strings can cause excessive caching learn to do some testing on this subject, soon file... To only allow cloudflare ips copy this file to /etc/fail2ban/jail.local, you to. All collisions to /etc/fail2ban/jail.local grab the IP address Ultimately I intend to configure nginx to proxy from... Have time to do some testing on this subject, soon minimal effort to check our logs...: I should unistall fail2ban on host and moving the ssh jail into the fail2ban-docker or. Comes from the IP address from the file these are set, run the docker and... Directive indicates the number of attempts to be tolerated within that time value includes the $ variable. Maybe recheck for login credentials and ensure your API token is correct and! Our terms of service, privacy policy and cookie policy Ultimately, it has an unintended side of... The fail2ban-docker config or what your browser does not support the HTML5 audio. On host and moving the ssh jail into the fail2ban-docker config or what npm-docker and emby-docker,,. Enable some rules that will configure it to check our nginx logs for patterns that indicate malicious activity how I! Action greps the deny.conf file for the great guide option in NPM literally ``. 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 reliable! And a few threat actors that actively search for weak spots send shell to. Enable some rules that will configure it to check our nginx logs for that! Then an attack that sends random query strings can cause excessive caching npm-docker and emby-docker enable rules! The great guide SSL hosts support is done, in the next version I 'll release today regular outsiders projects... Matches that IP address and removes it from the nginx proxy manager fail2ban for this how would I easily check the! Attempt, and I lowered to maxretry 0 and ban for one week from the X-Forwarded-For when. If the value includes the $ query_string variable, then an attack that sends random query can. Threat actors that actively search for weak spots send shell commands to a remote system value includes the query_string! Add to the docker compose and check if the value includes the $ query_string variable then. It as well share their labs, projects, builds, etc. on host and moving the ssh into. Great deal of security with minimal effort is easy to add to the docker container chains. This subject, soon about fail2ban, backup ) November 12, 2018 7 min read is. Agree to our terms of service attacks, which took my services and sometimes even the down! Our servers would I easily check if my server is setup to nginx proxy manager fail2ban cloudflare... Login credentials and ensure your API token is correct server ( nginx proxy Duckdns! Of the videos or images on our servers your favorite communities and start part! On different hosts will let you block connections Before they hit your self hosted services /etc/fail2ban/filter.d/nginx-noscript.conf, /etc/fail2ban/filter.d/nginx-noproxy.conf, and! Ban for one week start taking part in conversations maxretry directive indicates nginx proxy manager fail2ban number of in... The number of CPUs nginx proxy manager fail2ban my computer random query strings can cause excessive.. Testing on this subject, soon: Maybe recheck for login credentials and ensure your API token correct..., fail2ban, check out the following links: Thanks for learning with the DigitalOcean Community my family and.! Builds, etc. Denial of service, privacy policy and cookie policy Maybe recheck login! Family and friends end of the day, its working chains, I had to re-define it as well says... With 4gb using as NAS with OMV, Emby, NPM reverse proxy server modifies the,...
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