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+<!--
+title: "Fail2ban monitoring with Netdata"
+custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/fail2ban/README.md
+sidebar_label: "Fail2ban"
+-->
+
+# Fail2ban monitoring with Netdata
+
+Monitors the fail2ban log file to show all bans for all active jails.
+
+## Requirements
+
+The `fail2ban.log` file must be readable by the user `netdata`:
+
+- change the file ownership and access permissions.
+- update `/etc/logrotate.d/fail2ban` to persists the changes after rotating the log file.
+
+<details>
+  <summary>Click to expand the instruction.</summary>
+
+To change the file ownership and access permissions, execute the following:
+
+```shell
+sudo chown root:netdata /var/log/fail2ban.log
+sudo chmod 640 /var/log/fail2ban.log
+```
+
+To persist the changes after rotating the log file, add `create 640 root netdata` to the `/etc/logrotate.d/fail2ban`:
+
+```shell
+/var/log/fail2ban.log {
+
+    weekly
+    rotate 4
+    compress
+
+    delaycompress
+    missingok
+    postrotate
+        fail2ban-client flushlogs 1>/dev/null
+    endscript
+
+    # If fail2ban runs as non-root it still needs to have write access
+    # to logfiles.
+    # create 640 fail2ban adm
+    create 640 root netdata
+}
+```
+
+</details>
+
+## Charts
+
+- Failed attempts in attempts/s
+- Bans in bans/s
+- Banned IP addresses (since the last restart of netdata) in ips
+
+## Configuration
+
+Edit the `python.d/fail2ban.conf` configuration file using `edit-config` from the
+Netdata [config directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
+
+```bash
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
+sudo ./edit-config python.d/fail2ban.conf
+```
+
+Sample:
+
+```yaml
+local:
+  log_path: '/var/log/fail2ban.log'
+  conf_path: '/etc/fail2ban/jail.local'
+  exclude: 'dropbear apache'
+```
+
+If no configuration is given, module will attempt to read log file at `/var/log/fail2ban.log` and conf file
+at `/etc/fail2ban/jail.local`. If conf file is not found default jail is `ssh`.
+
+---
+
+