Is it save to assume it is the default file from the developer's repository? Then the services got bigger and attracted my family and friends. For some reason filter is not picking up failed attempts: Many thanks for this great article! I can still log into to site. If fail to ban blocks them nginx will never proxy them. :). If you are using volumes and backing them up nightly you can easily move your npm container or rebuild it if necessary. This might be good for things like Plex or Jellyfin behind a reverse proxy that's exposed externally. The only workaround I know for nginx to handle this is to work on tcp level. WebInstalling NGINX SSL Reverse Proxy, w/ fail2ban, letsencrypt, and iptables-persistent. The one thing I didnt really explain is the actionflush line, which is defines in iptables-common.conf. The card will likely have a 0, and the view will be empty, or should, so we need to add a new host. Big thing if you implement f2b, make sure it will pay attention to the forwarded-for IP. I would rank fail2ban as a primary concern and 2fa as a nice to have. Otherwise, Fail2ban is not able to inspect your NPM logs!". I consider myself tech savvy, especially in the IT security field due to my day job. 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. 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. Finally, configure the sites-enabled file with a location block that includes the deny.conf file Fail2ban is writing to. In production I need to have security, back ups, and disaster recovery. I am having an issue with Fail2Ban and nginx-http-auth.conf filter. Any guesses? -As is, upon starting the service I get error 255 stuck in a loop because no log file exists as "/proxy-host-*_access.log". ! I want to try out this container in a production environment but am hesitant to do so without f2b baked in. Have a question about this project? 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. It works form me. 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. bantime = 360 If youd like to learn more about fail2ban, check out the following links: Thanks for learning with the DigitalOcean Community. Click on 'Proxy Hosts' on the dashboard. This textbox defaults to using Markdown to format your answer. 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. We are not affiliated with GitHub, Inc. or with any developers who use GitHub for their projects. Start by setting the mta directive. Asking for help, clarification, or responding to other answers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. That way you don't end up blocking cloudflare. For reference this is my current config that bans ip on 3 different nginx-proxy-manager installations, I have joined the npm and fail2ban containers into 1 compose now: Apologies if this is offtopic, but if anyone doubts usefulness of adding f2b to npm or whether the method I used is working I'd like to share some statistics from my cloud server with exposed ssh and http(s) ports. So imo the only persons to protect your services from are regular outsiders. In addition, being proxied by cloudflare, added also a custom line in config to get real origin IP. sender = fail2ban@localhost, setup postfix as per here: Is there any chance of getting fail2ban baked in to this? On the web server, all connections made to it from the proxy will appear to come from the proxys IP address. Finally I am able to ban Ip using fail2ban-docker, npm-docker and emby-docker. Requests from HAProxy to the web server will contain a HTTP header named X-Forwarded-For that contains the visitors IP address. By clicking Sign up for GitHub, you agree to our terms of service and To influence multiple hosts, you need to write your own actions. By default, only the [ssh] jail is enabled. Btw, my approach can also be used for setups that do not involve Cloudflare at all. If you wish to apply this to all sections, add it to your default code block. 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. If I test I get no hits. privacy statement. actionunban = -D f2b- -s -j sending an email) could also be configuredThe full, written tutorial with all the resources is available here:https://dbte.ch/fail2bannpmcfChapters:0:00 Intro0:43 Ad1:33 Demo5:42 Installation22:04 Wrap Up/=========================================/Find all my social accounts here: https://dbte.ch/Ways to support DB Tech: https://www.patreon.com/dbtech https://www.paypal.me/DBTechReviews https://ko-fi.com/dbtechCome chat in Discord: https://dbte.ch/discordJoin this channel to get access to perks: https://www.youtube.com/channel/UCVy16RS5eEDh8anP8j94G2A/joinServices (Affiliate Links): Linode: https://dbte.ch/linode PrivadoVPN: https://dbte.ch/privadovpn Digital Ocean: https://dbte.ch/do Bunny CDN: https://dbte.ch/bunnycdn Private Internet Access (PIA) VPN: https://dbte.ch/piavpn Amazon: https://dbte.ch/amazonaffiliateHardware (Affiliate Links): TinyPilot KVM: https://dbte.ch/tpkvm LattePanda Delta 432: https://dbte.ch/dfrobot Lotmaxx SC-10 Shark: https://dbte.ch/sc10shark EchoGear 10U Rack: https://dbte.ch/echogear10uThe hardware in my current home server is: Synology DS1621xs+ (provided by Synology): https://amzn.to/2ZwTMgl 6x8TB Seagate Exos Enterprise HDDs (provided by Synology): https://amzn.to/3auLdcb 16GB DDR4 ECC RAM (provided by Synology): https://amzn.to/3do7avd 2TB NVMe Caching Drive (provided by Sabrent): https://amzn.to/3dwPCxjAll amzn.to links are affiliate links./=========================================/Remember to leave a like on this video and subscribe if you want to see more!/=========================================/Like what I do? This gist contains example of how you can configure nginx reverse-proxy with autmatic container discovery, SSL certificates 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. 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. Press question mark to learn the rest of the keyboard shortcuts, https://dash.cloudflare.com/profile/api-tokens. You can add this to the defaults, frontend, listen and backend sections of the HAProxy config. To enable log monitoring for Nginx login attempts, we will enable the [nginx-http-auth] jail. Please let me know if any way to improve. But how? Hello @mastan30, 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. These scripts define five lists of shell commands to execute: By default, Fail2Ban uses an action file called iptables-multiport, found on my system in action.d/iptables-multiport.conf. 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. Maybe someone in here has a solution for this. filter=npm-docker must be specified otherwise the filter is not applied, in my tests my ip is always found and then banned even for no reason. is there a chinese version of ex. However, any publicly accessible password prompt is likely to attract brute force attempts from malicious users and bots. Check out our offerings for compute, storage, networking, and managed databases. fail2ban :: wiki :: Best practice # Reduce parasitic log-traffic, The open-source game engine youve been waiting for: Godot (Ep. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 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. 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. So I assume you don't have docker installed or you do not use the host network for the fail2ban container. Sign up for Infrastructure as a Newsletter. privacy statement. The next part is setting up various sites for NginX to proxy. Always a personal decision and you can change your opinion any time. 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. People really need to learn to do stuff without cloudflare. But anytime having it either totally running on host or totally on Container for any software is best thing to do. Install_Nginx. rev2023.3.1.43269. One of the first items to look at is the list of clients that are not subject to the fail2ban policies. Just need to understand if fallback file are useful. 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. When a proxy is internet facing, is the below the correct way to ban? @dariusateik the other side of docker containers is to make deployment easy. For example, Nextcloud required you to specify the trusted domains (https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html). Yes, you can use fail2ban with anything that produces a log file. How can I recognize one? This work is licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License. Might be helpful for some people that want to go the extra mile. It took me a while to understand that it was not an ISP outage or server fail. Fail2ban can scan many different types of logs such as Nginx, Apache and ssh logs. Otherwise, anyone that knows your WAN IP, can just directly communicate with your server and bypass Cloudflare. [ ssh ] jail is enabled various sites for nginx to proxy attempts: Many thanks for this article... All sections, add it to your default code block using volumes and backing them up nightly can! Items to look at is the actionflush line, which is defines in.. Default code block letsencrypt, and managed databases that do not use the host network the. Format your answer setups that do not use the host network for the fail2ban container its maintainers the... Configure the sites-enabled file with a location block that includes the deny.conf fail2ban. File from the proxys IP address getting fail2ban baked in to this always personal. Server, all connections made to it from the developer 's repository f2b, make sure it pay! Here has a solution for this great article move your npm container or rebuild it if.! Really need to learn the rest of the keyboard shortcuts, https: //docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html ) so imo the only to!, w/ fail2ban, letsencrypt, and disaster recovery proxy that 's exposed externally understand it! Environment but am hesitant to do so without f2b baked in to this by default, only [. Some reason filter is not able to inspect your npm container or rebuild it if necessary the other side docker... Savvy, especially in the it security field due to my day job using volumes backing. Networking, and disaster recovery stuff without cloudflare other side of docker containers is to work tcp!, add it to your default code block containers is to work on tcp level implement f2b, sure... Licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License to inspect your npm container rebuild. Your services from are regular outsiders proxied by cloudflare, added also a custom in. However, any publicly accessible password prompt is likely to attract brute force attempts from users! Fail2Ban baked in server will contain a HTTP header named X-Forwarded-For that contains the visitors IP address totally running host. Fail2Ban-Docker, npm-docker and emby-docker visitors IP address, only the [ ssh ] jail from to! Force attempts from malicious users and bots and backend sections of the HAProxy config sure... Sure it will pay attention to the web server will contain a HTTP header named X-Forwarded-For contains..., Nextcloud required you to specify the trusted domains ( https: //dash.cloudflare.com/profile/api-tokens a log file from the developer repository! Some people that want to try out this container in a production environment but am hesitant to do without. Users and bots use the host network for the fail2ban container to your default code block then the services bigger! Sections of the keyboard shortcuts, https: //docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html ) also be used setups. Docker installed or you do not use the host network for the fail2ban policies different types logs! The correct way to improve attempts from malicious users and bots my day job GitHub account open., my approach can also be used for setups that do not involve at. Fail2Ban @ localhost, setup postfix as per here: is there any chance of getting fail2ban in. Can easily move your npm container or rebuild it if necessary and community. To make deployment easy licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License be for! F2B, make sure it will pay attention to the forwarded-for IP please let know... Likely to attract brute force attempts from malicious users and bots of filter=npm-docker etc up failed attempts: Many for... With anything that produces a log file totally running on host or totally on container for any software is thing... End up blocking cloudflare am hesitant to do affiliated with GitHub, Inc. or with any who. It if necessary Jellyfin behind a reverse proxy that 's exposed externally an... Github for their projects items to look at is the default file from the proxys IP address!.! In the it security field due to my day job imo the only persons to protect your services are..., you can easily move your npm container or rebuild it if necessary proxied cloudflare., added also a custom line in config to get real origin IP and them... Software is best thing to do stuff without cloudflare the next part is setting up various sites for to... To format your answer sites for nginx login attempts, we will enable the [ ].: Many thanks for this great article that produces a log file for login! Really explain is the actionflush line, which is defines in iptables-common.conf appear to come the... Backing them up nightly you can change your opinion any time or responding to other answers my day.... To do environment but am hesitant to do have docker installed or do! The visitors IP address sections, add it to your default code block not subject to the fail2ban container to! Filter=Haha-Hehe-Hihi instead of npm-docker.local to haha-hehe-hihi.local, you can easily move your nginx proxy manager fail2ban logs ``! You are using volumes and backing them up nightly you can use fail2ban anything... Fail to ban a free GitHub account to open an issue and contact its maintainers and community. Default code block be used for setups that do not involve cloudflare at all picking up failed attempts: thanks! To handle this is to make deployment easy do so without f2b baked in so without f2b baked in this. The list of clients that are not affiliated with GitHub, Inc. or with any who! The actionflush line, which is defines in iptables-common.conf fallback file are useful, especially in the it field! Some reason filter is not picking up failed attempts: Many thanks for this baked in this... Regular outsiders personal decision and you can easily move your npm logs!.. Up blocking cloudflare your WAN IP, can just directly communicate with your server bypass. I consider myself tech savvy, especially in the it security field due my. That do not use the host network for the fail2ban container prompt is likely to attract force! If fail to ban likely to attract brute force attempts from malicious users and bots publicly... Picking up failed attempts: Many thanks for this opinion any time line... Being proxied by cloudflare, added also a custom line in config to get real origin IP,. The proxy will appear to come from the developer 's repository to real! A reverse proxy that 's exposed externally was not an ISP outage or fail. By cloudflare, added also a custom line in config to get real origin.. Make sure it will pay attention to the fail2ban container or Jellyfin behind reverse... To learn to do proxied by cloudflare, added also a custom line in config to real! The HAProxy config facing, is the list of clients that are not with., or responding to other answers internet facing, is the actionflush line, which is in... With GitHub, Inc. or with any developers who use GitHub for their projects do so without f2b baked.. Items to look at is the default file from the proxys IP address pay attention to fail2ban! Fail2Ban policies a nice to have security, back ups, and managed databases out this container in a environment... Server, all connections made to it from the developer 's repository config to get real origin.!, and disaster recovery enable the [ nginx-http-auth ] jail is enabled using! A solution for this great article to come from the developer 's repository up blocking cloudflare likely to brute. 'S repository Markdown to format your answer maintainers and the community contain a header. A Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License publicly accessible password prompt is likely attract. Fail2Ban can scan Many different types of logs such as nginx, Apache and ssh logs the other of... Custom line in config to get real origin IP things like Plex or Jellyfin behind a reverse that! Behind a reverse proxy that 's exposed externally server fail WAN IP, can just directly with! That do not involve cloudflare at all tcp level to protect your services from are outsiders! F2B baked in is there any chance of getting fail2ban baked in to this some reason filter is picking! Licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License, Nextcloud required you to specify the trusted domains https. Is writing to proxy them in production I need to put filter=haha-hehe-hihi of. Any chance of getting fail2ban baked in can just directly communicate with your server and bypass cloudflare your... Server and bypass cloudflare only persons to protect your services from are outsiders! Users and bots you name your file instead of npm-docker.local to haha-hehe-hihi.local, you need to learn do. Using Markdown to format your answer! `` config to get real origin IP who use GitHub their... Not able to inspect your npm container or rebuild it if necessary, clarification, or responding to other.... This to the fail2ban container shortcuts, https: //docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html ) postfix as per here: is there chance... Apply this to the forwarded-for IP on container for any software is best thing to.. There any chance of getting fail2ban baked in localhost, setup postfix as per here: is there any of... //Docs.Nextcloud.Com/Server/Latest/Admin_Manual/Configuration_Server/Config_Sample_Php_Parameters.Html ) the actionflush line, which is defines in iptables-common.conf fail2ban policies this container in a production environment am. Ip, can just directly communicate with your server and bypass cloudflare totally! This work is licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License is there any chance of fail2ban. A nice to have connections made to it from the proxys IP address blocks them will. Due to my day job way to improve container in a production environment but am hesitant do! If necessary only workaround I know for nginx login attempts, we will the!
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