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annotate mod_auth_ha1/README.markdown @ 4877:adc6241e5d16

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mod_measure_process: Report the enforced limit The soft limit is what the kernel actually enforces, while the hard limit is is how far you can change the soft limit without privileges. Unless the process dynamically adjusts the soft limit, knowing the hard limit is not as useful as knowing the soft limit. Reporting the soft limit and the number of in-use FDs allows placing alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author Kim Alvefur <zash@zash.se>
date Tue, 18 Jan 2022 18:55:20 +0100
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children
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1 ---
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2 labels:
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3 - 'Stage-Beta'
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4 - 'Type-Auth'
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5 summary: |
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6 Authentication module for 'HA1' hashed credentials in a text file, as
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7 used by reTurnServer
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8 ...
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10 Introduction
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11 ============
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12
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13 This module authenticates users against hashed credentials stored in a
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14 plain text file. The format is the same as that used by reTurnServer.
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16 Configuration
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17 =============
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18
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19 Name Default Description
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20 ----------------- ---------- ---------------------------------
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21 auth\_ha1\_file auth.txt Path to the authentication file
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22
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23 Prosody reads the auth file at startup and on reload (e.g. SIGHUP).
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25 File Format
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26 ===========
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28 The file format is text, with one user per line. Each line is broken
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29 into four fields separated by colons (':'):
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30
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31 username:ha1:host:status
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33 Field Description
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34 ---------- ----------------------------------------------------------------------------------
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35 username The user's login name
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36 ha1 An MD5 hash of "username:host:password"
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37 host The XMPP hostname
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38 status The status of the account. Prosody expects this to be just the text "authorized"
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40 More info can be found
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41 [here](https://github.com/resiprocate/resiprocate/blob/master/reTurn/users.txt).
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43 Example
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44 -------
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46 john:2a236a1a68765361c64da3b502d4e71c:example.com:authorized
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47 mary:4ed7cf9cbe81e02dbfb814de6f84edf1:example.com:authorized
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48 charlie:83002e42eb4515ec0070489339f2114c:example.org:authorized
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50 Constructing the hashes can be done manually using any MD5 utility, such
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51 as md5sum. For example the user 'john' has the password 'hunter2', and
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52 his hash can be calculated like this:
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53
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54 echo -n "john:example.com:hunter2" | md5sum -
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56 Compatibility
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57 =============
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58
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59 ------ -------
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60 0.9 Works
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61 0.10 Works
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62 ------ -------