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Daemon to ban hosts that cause multiple authentication errors

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Corrected link for HP helper (see https://shaunc.com/blog/article/reporting-to-abuseipdb.com-with-fail2ban~kDoa-Hml95wW)

### Environment: - Fail2Ban version : 1.1.0 - OS, including release name/version : Fedora Rawhide (41) - [ ] Fail2Ban installed via OS/distribution mechanisms - [ ] You have not...

bug

Hi. i have a problem with fail2jail filter for blocking failed login attempts in to exchange autodiscover/autodiscover.xml. I'm seeking assistance with configuring a fail2ban filter to effectively block failed login...

moreinfo
filter-request

### Environment: simple jail.local settings jail.d/jail.local ``` [mssql-auth] enabled = true bantime = 60 maxretry = 3 findtime = 200 ``` docker-compose file ``` services: db1: image: mcr.microsoft.com/mssql/server:2019-latest container_name: MsSql2019...

bug

### Environment: - Fail2Ban version: ver. 1.1.0 (2024/04/25) - OS, including release name/version : ``` Linux dev 6.6.31+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.31-1+rpt1 (2024-05-29) aarch64 GNU/Linux ``` - [ ]...

bug

Enhance the NGINX bad request filter for real world attack situations Enhancing the searching regex for 3 common situations: 1. Clients or bots trying to access resources not being hosted...

On Debian 12 which uses systemd, fail2ban simply dies because `paths-debian.conf` points a legacy, nonexistent path. See https://superuser.com/questions/1830245/i-cant-get-fail2ban-working-on-debian-12. There is already an upstream Debian patch for that: https://sources.debian.org/patches/fail2ban/1.1.0-4/update_backend_system.diff/. Considering that...

bug

### Environment: - Fail2Ban version 1.1.0 or latest git (6fce23e7baa484c7d1f9b0c9a11986f3916c41dd) - OS, including release name/version : Gentoo Linux - [does not matter] Fail2Ban installed via OS/distribution mechanisms - [x] You...

cosmetic

#### Feature request type Extend the nftables action to hook to support multiple chains. i.e. 'input' AND 'forward' while using a single address set. #### Description In some cases you...

enhancement

Add HTTPS support in Regex Before submitting your PR, please review the following checklist: - [x] **CHOOSE CORRECT BRANCH**: if filing a bugfix/enhancement against certain release version, choose `0.9`, `0.10`...