Clarify SPEEDTEST_EXTERNAL_IP_URL protocol use

getting-started/environment-variables.md

@@ -20,7 +20,7 @@ description: >-
 
 ### Speed tests
 
-<table><thead><tr><th width="221">Name</th><th width="100" data-type="checkbox">Required</th><th>Description</th><th>Example</th></tr></thead><tbody><tr><td><code>SPEEDTEST_SKIP_IPS</code></td><td>false</td><td>A comma separated list of public IP addresses where tests will be skipped when present.</td><td><code>127.0.0.1</code> or <code>127.0.0.0/16</code></td></tr><tr><td><code>SPEEDTEST_SCHEDULE</code></td><td>false</td><td>Cron expression used to run speedtests on a scheduled basis. https://crontab.guru/ is a helpful tool.</td><td><code>6 */2 * * *</code><br>(<em>At minute 6 past every 2nd hour)</em></td></tr><tr><td><code>SPEEDTEST_SERVERS</code></td><td>false</td><td><p>Comma separated list of server IDs to randomly use for speedtest.</p><p></p><p>To find servers near you visit: <a href="https://www.speedtest.net/api/js/servers">https://www.speedtest.net/api/js/servers</a></p></td><td><code>52365</code> or <code>36998,52365</code></td></tr><tr><td><code>SPEEDTEST_BLOCKED_SERVERS</code></td><td>false</td><td>Comma separated list of server IDs that should not be used when running an Ookla Speedtest.</td><td></td></tr><tr><td><code>SPEEDTEST_INTERFACE</code></td><td>false</td><td>Set the network interface to use for the test. This need to be the network interface available inside the container</td><td><code>eth0</code></td></tr><tr><td><code>SPEEDTEST_EXTERNAL_IP_URL</code></td><td>false</td><td>URL of a service used to get the external WAN IP address.</td><td></td></tr><tr><td><code>SPEEDTEST_INTERNET_CHECK_HOSTNAME</code></td><td>false</td><td>Hostname used to ping for an active internet connection.</td><td></td></tr><tr><td><code>THRESHOLD_ENABLED</code></td><td>false</td><td>Enable the thresholds. Note: Only effective during initial setup.</td><td><code>true</code></td></tr><tr><td><code>THRESHOLD_DOWNLOAD</code></td><td>false</td><td><p>Set the Download Threshold</p><p>Note: Only effective during initial setup.</p></td><td><code>900</code></td></tr><tr><td><code>THRESHOLD_UPLOAD</code></td><td>false</td><td><p>Set the Upload Threshold</p><p>Note: Only effective during initial setup.</p></td><td><code>900</code></td></tr><tr><td><code>THRESHOLD_PING</code></td><td>false</td><td><p>Set the Ping Threshold</p><p>Note: Only effective during initial setup.</p></td><td><code>25</code></td></tr><tr><td><code>PRUNE_RESULTS_OLDER_THAN</code></td><td>false</td><td>Set the value to greater than zero to prune stored results. This value should be represented in days, e.g. <code>7</code> will purge all results over 7 days old.</td><td><code>7</code></td></tr></tbody></table>
+<table><thead><tr><th width="221">Name</th><th width="100" data-type="checkbox">Required</th><th>Description</th><th>Example</th></tr></thead><tbody><tr><td><code>SPEEDTEST_SKIP_IPS</code></td><td>false</td><td>A comma separated list of public IP addresses where tests will be skipped when present.</td><td><code>127.0.0.1</code> or <code>127.0.0.0/16</code></td></tr><tr><td><code>SPEEDTEST_SCHEDULE</code></td><td>false</td><td>Cron expression used to run speedtests on a scheduled basis. https://crontab.guru/ is a helpful tool.</td><td><code>6 */2 * * *</code><br>(<em>At minute 6 past every 2nd hour)</em></td></tr><tr><td><code>SPEEDTEST_SERVERS</code></td><td>false</td><td><p>Comma separated list of server IDs to randomly use for speedtest.</p><p>To find servers near you visit: <a href="https://www.speedtest.net/api/js/servers">https://www.speedtest.net/api/js/servers</a></p></td><td><code>52365</code> or <code>36998,52365</code></td></tr><tr><td><code>SPEEDTEST_BLOCKED_SERVERS</code></td><td>false</td><td>Comma separated list of server IDs that should not be used when running an Ookla Speedtest.</td><td></td></tr><tr><td><code>SPEEDTEST_INTERFACE</code></td><td>false</td><td>Set the network interface to use for the test. This need to be the network interface available inside the container</td><td><code>eth0</code></td></tr><tr><td><code>SPEEDTEST_EXTERNAL_IP_URL</code></td><td>false</td><td>URL of a service used to get the external WAN IP address. URL should contain the protocol i.e. <code>https://</code></td><td><code>https://icanhazip.com</code></td></tr><tr><td><code>SPEEDTEST_INTERNET_CHECK_HOSTNAME</code></td><td>false</td><td>Hostname used to ping for an active internet connection.</td><td></td></tr><tr><td><code>THRESHOLD_ENABLED</code></td><td>false</td><td>Enable the thresholds. Note: Only effective during initial setup.</td><td><code>true</code></td></tr><tr><td><code>THRESHOLD_DOWNLOAD</code></td><td>false</td><td><p>Set the Download Threshold</p><p>Note: Only effective during initial setup.</p></td><td><code>900</code></td></tr><tr><td><code>THRESHOLD_UPLOAD</code></td><td>false</td><td><p>Set the Upload Threshold</p><p>Note: Only effective during initial setup.</p></td><td><code>900</code></td></tr><tr><td><code>THRESHOLD_PING</code></td><td>false</td><td><p>Set the Ping Threshold</p><p>Note: Only effective during initial setup.</p></td><td><code>25</code></td></tr><tr><td><code>PRUNE_RESULTS_OLDER_THAN</code></td><td>false</td><td>Set the value to greater than zero to prune stored results. This value should be represented in days, e.g. <code>7</code> will purge all results over 7 days old.</td><td><code>7</code></td></tr></tbody></table>
 
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