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mod_limit_auth/README.markdown @ 4832:bfd4af4caddc

mod_password_policy: Support for additional policies provided by other modules E.g. check a password contains an uppercase character: module:provides("password-policy", { name = "contains_uppercase"; check_password = function (password, policy) return (policy ~= true) or (not not password:match("%u")); end; }) Config: password_policy = { contains_uppercase = true; }
author Matthew Wild <mwild1@gmail.com>
date Wed, 22 Dec 2021 14:48:46 +0000
parent 2121:4916c1b6517f
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1 ---
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2 summary: Throttle authentication attempts with optional tarpit
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3 ...
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4
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5 Introduction
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6 ============
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7
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8 This module lets you put a per-IP limit on the number of failed
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9 authentication attempts.
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10
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11 It features an optioanal
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12 [tarpit](https://en.wikipedia.org/wiki/Tarpit_%28networking%29), i.e.
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13 waiting some time before returning an "authentication failed" response.
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15 Configuration
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16 =============
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17
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18 ``` {.lua}
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19 modules_enabled = {
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20 -- your other modules
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21 "limit_auth";
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22 }
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23
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24 limit_auth_period = 30 -- over 30 seconds
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25
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26 limit_auth_max = 5 -- tolerate no more than 5 failed attempts
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27
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28 -- Will only work with Prosody trunk:
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29 limit_auth_tarpit_delay = 10 -- delay answer this long
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30 ```
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31
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32 Compatibility
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33 =============
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34
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35 Requires 0.9 or later. The tarpit feature requires Prosody trunk.