fail2ban

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Published: May 1, 2019 License: MIT Imports: 7 Imported by: 0

README

Fail2ban Input Plugin

The fail2ban plugin gathers the count of failed and banned ip addresses using fail2ban.

This plugin runs the fail2ban-client command which generally requires root access. Acquiring the required permissions can be done using several methods:

  • Use sudo run fail2ban-client.
  • Run telegraf as root. (not recommended)
Using sudo

You will need the following in your telegraf config:

[[inputs.fail2ban]]
  use_sudo = true

You will also need to update your sudoers file:

$ visudo
# Add the following line:
Cmnd_Alias FAIL2BAN = /usr/bin/fail2ban-client status, /usr/bin/fail2ban-client status *
telegraf  ALL=(root) NOEXEC: NOPASSWD: FAIL2BAN
Defaults!FAIL2BAN !logfile, !syslog, !pam_session
Configuration:
# Read metrics from fail2ban.
[[inputs.fail2ban]]
  ## Use sudo to run fail2ban-client
  use_sudo = false
Measurements & Fields:
  • fail2ban
    • failed (integer, count)
    • banned (integer, count)
Tags:
  • All measurements have the following tags:
    • jail
Example Output:
# fail2ban-client status sshd
Status for the jail: sshd
|- Filter
|  |- Currently failed: 5
|  |- Total failed:     20
|  `- File list:        /var/log/secure
`- Actions
   |- Currently banned: 2
   |- Total banned:     10
   `- Banned IP list:   192.168.0.1 192.168.0.2
fail2ban,jail=sshd failed=5i,banned=2i 1495868667000000000

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Fail2ban

type Fail2ban struct {
	UseSudo bool
	// contains filtered or unexported fields
}

func (*Fail2ban) Description

func (f *Fail2ban) Description() string

func (*Fail2ban) Gather

func (f *Fail2ban) Gather(acc telegraf.Accumulator) error

func (*Fail2ban) SampleConfig

func (f *Fail2ban) SampleConfig() string

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