Disable automatic captive portal detection

#344 (comment)
pyllyukko · Jan 23, 2018 · 456a2b7 · 456a2b7
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diff --git a/README.md b/README.md
@@ -267,6 +267,7 @@ Prevents the browser from [auto-connecting](https://support.mozilla.org/en-US/kb
 * Disable speculative pre-connections [ [1](https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_speculative-pre-connections) [2](https://bugzilla.mozilla.org/show_bug.cgi?id=814169) ]
 * Disable downloading homepage snippets/messages from Mozilla [ [1](https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_mozilla-content) [2](https://wiki.mozilla.org/Firefox/Projects/Firefox_Start/Snippet_Service) ]
 * Never check updates for search engines [ [1](https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_auto-update-checking) ]
+* Disable automatic captive portal detection (Firefox >= 52.0) [ [1](https://support.mozilla.org/en-US/questions/1157121) ]
 
 ### HTTP
 

diff --git a/user.js b/user.js
@@ -643,6 +643,10 @@ user_pref("browser.aboutHomeSnippets.updateUrl",		"");
 // https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_auto-update-checking
 user_pref("browser.search.update",				false);
 
+// PREF: Disable automatic captive portal detection (Firefox >= 52.0)
+// https://support.mozilla.org/en-US/questions/1157121
+user_pref("network.captive-portal-service.enabled",		false);
+
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  * SECTION: HTTP                                                              *
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