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Settings

General Settings

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Server Port

Fail2ban Callback URL

This URL is used by all Fail2Ban instances to send ban alerts back to Fail2Ban UI. For local deployments, use the same port as Fail2Ban UI (e.g., http://127.0.0.1:8080). For reverse proxy setups, use your TLS-encrypted endpoint (e.g., https://fail2ban.example.com).

Fail2ban Callback URL Secret show secret

This secret is automatically generated and used to authenticate ban notification requests. It is included in the fail2ban action configuration.

Enable Debug Log

Advanced Actions for Recurring Offenders

Automatically add recurring offenders to an external firewall once they hit a specific threshold.

Enable automatic permanent blocking

Threshold before permanent block

If an IP is banned at least this many times it will be forwarded to the selected firewall integration.

Integration

Choose where permanent bans should be synchronized.

Permanent Block Log

No permanent blocks recorded yet.

Alert Settings

Email Alert Preferences

Enable email alerts for bans Enable email alerts for unbans

Destination Email (Alerts Receiver)

GeoIP Provider

Choose the GeoIP lookup provider. MaxMind requires a local database file, while Built-in uses a free online API.

GeoIP Database Path

Path to the MaxMind GeoLite2-Country database file.

Maximum Log Lines

Maximum number of log lines to include in ban notifications. Most relevant lines are selected automatically.

Alert Countries

Choose the countries for which you want to receive email alerts when a block is triggered.

SMTP Configuration

SMTP Host

SMTP Port

SMTP Username

SMTP Password

Sender Email

Use TLS (Recommended)

Global Default Fail2Ban Configurations

These settings will be applied to all enabled Fail2Ban servers and stored in their jail.local [DEFAULT] section.

Enable Bantime Increment

If set to true, the bantime will be calculated using the formula: bantime = findtime * (number of failures / maxretry) * (1 + bantime.rndtime).

Enable Jails by Default

If enabled, all jails will be enabled by default. When disabled, jails must be explicitly enabled.

Default Bantime

The number of seconds that a host is banned. Time format: 1h = 1 hour, 1d = 1 day, 1w = 1 week, 1m = 1 month, 1y = 1 year.

Banaction

Default banning action (e.g. iptables-multiport, iptables-allports, firewallcmd-multiport, etc). It is used to define action_* variables.

Banaction Allports

Banning action for all ports (e.g. iptables-allports, firewallcmd-allports, etc). Used when a jail needs to ban all ports instead of specific ones.

Default Findtime

A host is banned if it has generated 'maxretry' failures during the last 'findtime' seconds. Time format: 1h = 1 hour, 1d = 1 day, 1w = 1 week, 1m = 1 month, 1y = 1 year.

Default Max Retry

Number of failures before a host gets banned.

Ignore IPs

Space separated list of IP addresses, CIDR masks or DNS hosts. Fail2ban will not ban a host which matches an address in this list.

Dashboard

Filter Debug

Settings

General Settings

Advanced Actions for Recurring Offenders

Permanent Block Log

Alert Settings

SMTP Configuration

Global Default Fail2Ban Configurations

Filter Config:

Manage Jails

Create New Jail

Create New Filter

Manage Fail2ban Servers

Registered Servers

Add or Update Server

Whois Information -

Manually Block / Test

Logs -

Ban Insights

Bans by country

Recurring IPs