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<label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
<span class="md-ellipsis">
Advanced guides
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_3_2">
<span class="md-nav__icon md-icon"></span>
Advanced guides
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../REMOTE_NETWORKS/" class="md-nav__link">
<span class="md-ellipsis">
Remote Networks
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../NOTIFICATIONS/" class="md-nav__link">
<span class="md-ellipsis">
Notifications Guide
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../NAME_RESOLUTION/" class="md-nav__link">
<span class="md-ellipsis">
Name Resolution
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../AUTHELIA/" class="md-nav__link">
<span class="md-ellipsis">
Authelia
</span>
</a>
</li>
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<a href="../PERFORMANCE/" class="md-nav__link">
<span class="md-ellipsis">
Performance
</span>
</a>
</li>
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<a href="../REVERSE_DNS/" class="md-nav__link">
<span class="md-ellipsis">
Reverse DNS
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../REVERSE_PROXY/" class="md-nav__link">
<span class="md-ellipsis">
Reverse Proxy
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../WEBHOOK_N8N/" class="md-nav__link">
<span class="md-ellipsis">
Webhooks (n8n)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../WORKFLOWS/" class="md-nav__link">
<span class="md-ellipsis">
Workflows
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../WORKFLOW_EXAMPLES/" class="md-nav__link">
<span class="md-ellipsis">
Workflow Examples
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DOCKER_SWARM/" class="md-nav__link">
<span class="md-ellipsis">
Docker Swarm
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
<label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
<span class="md-ellipsis">
Help
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_3_3">
<span class="md-nav__icon md-icon"></span>
Help
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../COMMON_ISSUES/" class="md-nav__link">
<span class="md-ellipsis">
Common issues
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../RANDOM_MAC/" class="md-nav__link">
<span class="md-ellipsis">
Random MAC
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../FIX_OFFLINE_DETECTION/" class="md-nav__link">
<span class="md-ellipsis">
Incorrect Offline Detection
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</a>
</li>
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</ul>
</nav>
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<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
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<span class="md-ellipsis">
Device guides
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_4">
<span class="md-nav__icon md-icon"></span>
Device guides
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_1" >
<label class="md-nav__link" for="__nav_4_1" id="__nav_4_1_label" tabindex="0">
<span class="md-ellipsis">
Editing Devices
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_1_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_4_1">
<span class="md-nav__icon md-icon"></span>
Editing Devices
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../DEVICE_MANAGEMENT/" class="md-nav__link">
<span class="md-ellipsis">
Management
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DEVICES_BULK_EDITING/" class="md-nav__link">
<span class="md-ellipsis">
Bulk Editing
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../CUSTOM_PROPERTIES/" class="md-nav__link">
<span class="md-ellipsis">
Custom Properties
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DEVICE_DISPLAY_SETTINGS/" class="md-nav__link">
<span class="md-ellipsis">
Device Display Settings
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SESSION_INFO/" class="md-nav__link">
<span class="md-ellipsis">
Session Info
</span>
</a>
</li>
</ul>
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<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
<label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
<span class="md-ellipsis">
Icons and Topology
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_4_2">
<span class="md-nav__icon md-icon"></span>
Icons and Topology
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../ICONS/" class="md-nav__link">
<span class="md-ellipsis">
Icons
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../NETWORK_TREE/" class="md-nav__link">
<span class="md-ellipsis">
Network Topology
</span>
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
<label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
<span class="md-ellipsis">
Troubleshooting
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
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<span class="md-nav__icon md-icon"></span>
Troubleshooting
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../DEBUG_TIPS/" class="md-nav__link">
<span class="md-ellipsis">
General Tips
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../COMMON_ISSUES/" class="md-nav__link">
<span class="md-ellipsis">
Common issues
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../LOGGING/" class="md-nav__link">
<span class="md-ellipsis">
Inspecting Logs
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DEBUG_API_SERVER/" class="md-nav__link">
<span class="md-ellipsis">
API Server Issues
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DEBUG_INVALID_JSON/" class="md-nav__link">
<span class="md-ellipsis">
Invalid JSON Issues
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DEBUG_PHP/" class="md-nav__link">
<span class="md-ellipsis">
PHP Issues
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DEBUG_PLUGINS/" class="md-nav__link">
<span class="md-ellipsis">
Plugin Issues
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../WEB_UI_PORT_DEBUG/" class="md-nav__link">
<span class="md-ellipsis">
Web UI Port Issues
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../WORKFLOWS_DEBUGGING/" class="md-nav__link">
<span class="md-ellipsis">
Workflows Issues
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" checked>
<label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="">
<span class="md-ellipsis">
Development
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="true">
<label class="md-nav__title" for="__nav_6">
<span class="md-nav__icon md-icon"></span>
Development
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6_1" checked>
<label class="md-nav__link" for="__nav_6_1" id="__nav_6_1_label" tabindex="">
<span class="md-ellipsis">
Plugin and app development
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_6_1_label" aria-expanded="true">
<label class="md-nav__title" for="__nav_6_1">
<span class="md-nav__icon md-icon"></span>
Plugin and app development
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../DEV_ENV_SETUP/" class="md-nav__link">
<span class="md-ellipsis">
Environment Setup
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../BUILDS/" class="md-nav__link">
<span class="md-ellipsis">
Builds
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DEV_DEVCONTAINER/" class="md-nav__link">
<span class="md-ellipsis">
Devcontainer
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../PLUGINS_DEV/" class="md-nav__link">
<span class="md-ellipsis">
Custom Plugins
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../PLUGINS_DEV_CONFIG/" class="md-nav__link">
<span class="md-ellipsis">
Plugin Config
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../FRONTEND_DEVELOPMENT/" class="md-nav__link">
<span class="md-ellipsis">
Frontend Development
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../DATABASE/" class="md-nav__link">
<span class="md-ellipsis">
Database
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SETTINGS_SYSTEM/" class="md-nav__link">
<span class="md-ellipsis">
Settings
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../VERSIONS/" class="md-nav__link">
<span class="md-ellipsis">
Versions
</span>
</a>
</li>
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<input class="md-nav__toggle md-toggle" type="checkbox" id="__toc">
<label class="md-nav__link md-nav__link--active" for="__toc">
<span class="md-ellipsis">
Icon and Type guessing
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
<span class="md-ellipsis">
Icon and Type guessing
</span>
</a>
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
<label class="md-nav__title" for="__toc">
<span class="md-nav__icon md-icon"></span>
Table of contents
</label>
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
<li class="md-nav__item">
<a href="#json-rule-format" class="md-nav__link">
<span class="md-ellipsis">
JSON Rule Format
</span>
</a>
<nav class="md-nav" aria-label="JSON Rule Format">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#supported-fields" class="md-nav__link">
<span class="md-ellipsis">
Supported fields:
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#matching-flow-in-priority-order" class="md-nav__link">
<span class="md-ellipsis">
Matching Flow (in Priority Order)
</span>
</a>
<nav class="md-nav" aria-label="Matching Flow (in Priority Order)">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#use-of-default-values" class="md-nav__link">
<span class="md-ellipsis">
Use of default values
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#match-behavior-per-function" class="md-nav__link">
<span class="md-ellipsis">
Match Behavior (per function)
</span>
</a>
<nav class="md-nav" aria-label="Match Behavior (per function)">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#match_mac_and_vendormac_clean-vendor" class="md-nav__link">
<span class="md-ellipsis">
match_mac_and_vendor(mac_clean, vendor, ...)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#match_vendorvendor" class="md-nav__link">
<span class="md-ellipsis">
match_vendor(vendor, ...)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#match_namename" class="md-nav__link">
<span class="md-ellipsis">
match_name(name, ...)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#match_ipip" class="md-nav__link">
<span class="md-ellipsis">
match_ip(ip, ...)
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#icons" class="md-nav__link">
<span class="md-ellipsis">
Icons
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#priority-mechanics" class="md-nav__link">
<span class="md-ellipsis">
Priority Mechanics
</span>
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6_2" >
<label class="md-nav__link" for="__nav_6_2" id="__nav_6_2_label" tabindex="">
<span class="md-ellipsis">
API
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_6_2_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_6_2">
<span class="md-nav__icon md-icon"></span>
API
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../API/" class="md-nav__link">
<span class="md-ellipsis">
Overview
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_DEVICES/" class="md-nav__link">
<span class="md-ellipsis">
Devices Collection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_DEVICE/" class="md-nav__link">
<span class="md-ellipsis">
Device
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_SESSIONS/" class="md-nav__link">
<span class="md-ellipsis">
Sessions
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_SETTINGS/" class="md-nav__link">
<span class="md-ellipsis">
Settings
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_EVENTS/" class="md-nav__link">
<span class="md-ellipsis">
Events
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_MESSAGING_IN_APP/" class="md-nav__link">
<span class="md-ellipsis">
Messaging in-app
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_METRICS/" class="md-nav__link">
<span class="md-ellipsis">
Metrics
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_NETTOOLS/" class="md-nav__link">
<span class="md-ellipsis">
Net Tools
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_ONLINEHISTORY/" class="md-nav__link">
<span class="md-ellipsis">
Online History
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_SYNC/" class="md-nav__link">
<span class="md-ellipsis">
Sync
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_GRAPHQL/" class="md-nav__link">
<span class="md-ellipsis">
GraphQL
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_DBQUERY/" class="md-nav__link">
<span class="md-ellipsis">
DB query
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_TESTS/" class="md-nav__link">
<span class="md-ellipsis">
Tests
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../API_OLD/" class="md-nav__link">
<span class="md-ellipsis">
SUPERSEDED OLD API Overview
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6_3" >
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<span class="md-ellipsis">
Integrations
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_6_3_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_6_3">
<span class="md-nav__icon md-icon"></span>
Integrations
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../WEBHOOK_SECRET/" class="md-nav__link">
<span class="md-ellipsis">
Webhook Secret
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../HELPER_SCRIPTS/" class="md-nav__link">
<span class="md-ellipsis">
Helper scripts
</span>
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
<div class="md-sidebar__scrollwrap">
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
<label class="md-nav__title" for="__toc">
<span class="md-nav__icon md-icon"></span>
Table of contents
</label>
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
<li class="md-nav__item">
<a href="#json-rule-format" class="md-nav__link">
<span class="md-ellipsis">
JSON Rule Format
</span>
</a>
<nav class="md-nav" aria-label="JSON Rule Format">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#supported-fields" class="md-nav__link">
<span class="md-ellipsis">
Supported fields:
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#matching-flow-in-priority-order" class="md-nav__link">
<span class="md-ellipsis">
Matching Flow (in Priority Order)
</span>
</a>
<nav class="md-nav" aria-label="Matching Flow (in Priority Order)">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#use-of-default-values" class="md-nav__link">
<span class="md-ellipsis">
Use of default values
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#match-behavior-per-function" class="md-nav__link">
<span class="md-ellipsis">
Match Behavior (per function)
</span>
</a>
<nav class="md-nav" aria-label="Match Behavior (per function)">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#match_mac_and_vendormac_clean-vendor" class="md-nav__link">
<span class="md-ellipsis">
match_mac_and_vendor(mac_clean, vendor, ...)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#match_vendorvendor" class="md-nav__link">
<span class="md-ellipsis">
match_vendor(vendor, ...)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#match_namename" class="md-nav__link">
<span class="md-ellipsis">
match_name(name, ...)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#match_ipip" class="md-nav__link">
<span class="md-ellipsis">
match_ip(ip, ...)
</span>
</a>
</li>
</ul>
</nav>
</li>
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<h1 id="device-heuristics-icon-and-type-guessing">Device Heuristics: Icon and Type Guessing</h1>
<p>This module is responsible for inferring the most likely <strong>device type</strong> and <strong>icon</strong> based on minimal identifying data like MAC address, vendor, IP, or device name.</p>
<p>It does this using a set of heuristics defined in an external JSON rules file, which it evaluates <strong>in priority order</strong>.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>You can find the full source code of the heuristics module in the <code>device_heuristics.py</code> file.</p>
</div>
<hr />
<h2 id="json-rule-format">JSON Rule Format</h2>
<p>Rules are defined in a file called <code>device_heuristics_rules.json</code> (located under <code>/back</code>), structured like:</p>
<pre><code class="language-json">[
{
&quot;dev_type&quot;: &quot;Phone&quot;,
&quot;icon_html&quot;: &quot;&lt;i class=\&quot;fa-brands fa-apple\&quot;&gt;&lt;/i&gt;&quot;,
&quot;matching_pattern&quot;: [
{ &quot;mac_prefix&quot;: &quot;001A79&quot;, &quot;vendor&quot;: &quot;Apple&quot; }
],
&quot;name_pattern&quot;: [&quot;iphone&quot;, &quot;pixel&quot;]
}
]
</code></pre>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Feel free to raise a PR in case you'd like to add any rules into the <code>device_heuristics_rules.json</code> file. Please place new rules into the correct position and consider the priority of already available rules.</p>
</div>
<h3 id="supported-fields">Supported fields:</h3>
<table>
<thead>
<tr>
<th>Field</th>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>dev_type</code></td>
<td><code>string</code></td>
<td>Type to assign if rule matches (e.g. <code>"Gateway"</code>, <code>"Phone"</code>)</td>
</tr>
<tr>
<td><code>icon_html</code></td>
<td><code>string</code></td>
<td>Icon (HTML string) to assign if rule matches. Encoded to base64 at load time.</td>
</tr>
<tr>
<td><code>matching_pattern</code></td>
<td><code>array</code></td>
<td>List of <code>{ mac_prefix, vendor }</code> objects for first strict and then loose matching</td>
</tr>
<tr>
<td><code>name_pattern</code></td>
<td><code>array</code> <em>(optional)</em></td>
<td>List of lowercase substrings (used with regex)</td>
</tr>
<tr>
<td><code>ip_pattern</code></td>
<td><code>array</code> <em>(optional)</em></td>
<td>Regex patterns to match IPs</td>
</tr>
</tbody>
</table>
<p><strong>Order in this array defines priority</strong> — rules are checked top-down and short-circuit on first match.</p>
<hr />
<h2 id="matching-flow-in-priority-order">Matching Flow (in Priority Order)</h2>
<p>The function <code>guess_device_attributes(...)</code> runs a series of matching functions in strict order:</p>
<ol>
<li>MAC + Vendor → <code>match_mac_and_vendor()</code></li>
<li>Vendor only → <code>match_vendor()</code></li>
<li>Name pattern → <code>match_name()</code></li>
<li>IP pattern → <code>match_ip()</code></li>
<li>Final fallback → defaults defined in the <code>NEWDEV_devIcon</code> and <code>NEWDEV_devType</code> settings.</li>
</ol>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The app will try guessing the device type or icon if <code>devType</code> or <code>devIcon</code> are <code>""</code> or <code>"null"</code>.</p>
</div>
<h3 id="use-of-default-values">Use of default values</h3>
<p>The guessing process runs for every device <strong>as long as the current type or icon still matches the default values</strong>. Even if earlier heuristics return a match, the system continues evaluating additional clues — like name or IP — to try and replace placeholders.</p>
<pre><code class="language-python"># Still considered a match attempt if current values are defaults
if (not type_ or type_ == default_type) or (not icon or icon == default_icon):
type_, icon = match_ip(ip, default_type, default_icon)
</code></pre>
<p>In other words: if the type or icon is still <code>"unknown"</code> (or matches the default), the system assumes the match isn’t final — and keeps looking. It stops only when both values are non-default (defaults are defined in the <code>NEWDEV_devIcon</code> and <code>NEWDEV_devType</code> settings).</p>
<hr />
<h2 id="match-behavior-per-function">Match Behavior (per function)</h2>
<p>These functions are executed in the following order:</p>
<h3 id="match_mac_and_vendormac_clean-vendor"><code>match_mac_and_vendor(mac_clean, vendor, ...)</code></h3>
<ul>
<li>Looks for MAC prefix <strong>and</strong> vendor substring match</li>
<li>Most precise</li>
<li>Stops as soon as a match is found</li>
</ul>
<h3 id="match_vendorvendor"><code>match_vendor(vendor, ...)</code></h3>
<ul>
<li>Falls back to substring match on vendor only</li>
<li>Ignores rules where <code>mac_prefix</code> is present (ensures this is really a fallback)</li>
</ul>
<h3 id="match_namename"><code>match_name(name, ...)</code></h3>
<ul>
<li>Lowercase name is compared against all <code>name_pattern</code> values using regex</li>
<li>Good for user-assigned labels (e.g. "AP Office", "iPhone")</li>
</ul>
<h3 id="match_ipip"><code>match_ip(ip, ...)</code></h3>
<ul>
<li>If IP is present and matches regex patterns under any rule, it returns that type/icon</li>
<li>Usually used for gateways or local IP ranges</li>
</ul>
<hr />
<h2 id="icons">Icons</h2>
<ul>
<li>Each rule can define an <code>icon_html</code>, which is converted to a <code>icon_base64</code> on load</li>
<li>If missing, it falls back to the passed-in <code>default_icon</code> (<code>NEWDEV_devIcon</code> setting)</li>
<li>If a match is found but icon is still blank, default is used</li>
</ul>
<p><strong>TL;DR:</strong> Type and icon must both be matched. If only one is matched, the other falls back to the default.</p>
<hr />
<h2 id="priority-mechanics">Priority Mechanics</h2>
<ul>
<li>JSON rules are evaluated <strong>top-to-bottom</strong></li>
<li>Matching is <strong>first-hit wins</strong> — no scoring, no weights</li>
<li>Rules that are more specific (e.g. exact MAC prefixes) should be listed earlier</li>
</ul>
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