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Prevent sites from using external links like mailto. #285

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Prevent sites from using external links like mailto. #285

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Prevent sites from using external links like mailto.
SvobodaJakub Apr 28, 2017
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Prevent sites from using external links like mailto - added reference…
SvobodaJakub Apr 28, 2017
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Prevent sites from using external links like mailto - improved pref w…
SvobodaJakub Apr 28, 2017
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Prevent sites from using external links like mailto - improved NOTICE…
SvobodaJakub Apr 28, 2017
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Prevent sites from using external links like mailto - improved NOTICE…
SvobodaJakub Apr 28, 2017
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Prevent sites from using external links like mailto - improved PREF w…
SvobodaJakub Apr 28, 2017
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Prevent sites from using external links like mailto - clarified comme…
SvobodaJakub Apr 28, 2017
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Prevent sites from using external links like mailto - improved based …
SvobodaJakub Apr 28, 2017
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47 changes: 47 additions & 0 deletions user.js
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Expand Up @@ -270,6 +270,53 @@ user_pref("general.buildID.override", "20100101");
// https://github.com/pyllyukko/user.js/issues/120
user_pref("browser.display.use_document_fonts", 0);

// PREF: Prevent sites from using links like mailto to launch external applications.
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@nodiscc nodiscc Apr 28, 2017 •
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Should be // PREF: Prevent sites from using URLs such as mailto:, irc:, magnet: ... to launch external applications

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Thanks for the wording suggestions.

// http://kb.mozillazine.org/Network.protocol-handler.external-default
// http://kb.mozillazine.org/Network.protocol-handler.warn-external-default
// https://news.ycombinator.com/item?id=13047883
// https://bugzilla.mozilla.org/show_bug.cgi?id=167475
// NOTICE: Breaks mailto links on legit websites, user has to right-click and copy mail address from the link.
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Currently NOTICE: needs to be on the line just after PREF: for the automatic doc generation to work properly :/

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Should be // NOTICE: Breaks opening third-party mail/messaging/torrent/... clients by clicking on links with custom protocols

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I generated the readme using gen-readme.sh and the NOTICEs, the PREFs and their URLs were all added correctly to README.md. Am I doing something wrong?

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Sorry. You are correct. Reference links must go right under the PREF. Everything is fine.

// TODO: Add externally-handled protocols from Windows 8.1 and Windows 10 (currently contains protocols only from Linux and Windows 7) that might pose a similar threat (see e.g. https://news.ycombinator.com/item?id=13044991)
// TODO: Add externally-handled protocols from Mac OS X that might pose a similar threat (see e.g. https://news.ycombinator.com/item?id=13044991)
user_pref("network.protocol-handler.external-default", false);
user_pref("network.protocol-handler.external.irc", false);
user_pref("network.protocol-handler.external.magnet", false);
user_pref("network.protocol-handler.external.mailto", false);
user_pref("network.protocol-handler.external.ms-windows-store", false);
user_pref("network.protocol-handler.external.news", false);
user_pref("network.protocol-handler.external.nntp", false);
user_pref("network.protocol-handler.external.sftp", false);
user_pref("network.protocol-handler.external.snews", false);
user_pref("network.protocol-handler.warn-external-default", true);
user_pref("network.protocol-handler.warn-external.irc", true);
user_pref("network.protocol-handler.warn-external.magnet", true);
user_pref("network.protocol-handler.warn-external.mailto", true);
user_pref("network.protocol-handler.warn-external.ms-windows-store", true);
user_pref("network.protocol-handler.warn-external.news", true);
user_pref("network.protocol-handler.warn-external.nntp", true);
user_pref("network.protocol-handler.warn-external.sftp", true);
user_pref("network.protocol-handler.warn-external.sms", true);
user_pref("network.protocol-handler.warn-external.snews", true);
user_pref("network.protocol-handler.warn-external.tel", true);
user_pref("network.protocol-handler.warn-external.vnd.youtube", true);

// PREF: Disable nonessential protocols from being used altogether.
// http://kb.mozillazine.org/Network.protocol-handler.expose.%28protocol%29
// NOTICE: Breaks all interactions and links using these protocols.
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Same as above

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Should be // NOTICE: Breaks all interaction with custom protocols such as mailto: irc: magnet: ...

// TODO: Add more protocols, see TODO for the previous PREF.
// network.protocol-handler.expose-all == false breaks some javascript links, hence not used.
user_pref("network.protocol-handler.expose.irc", false);
user_pref("network.protocol-handler.expose.magnet", false);
user_pref("network.protocol-handler.expose.mailto", false);
user_pref("network.protocol-handler.expose.ms-windows-store", false);
user_pref("network.protocol-handler.expose.news", false);
user_pref("network.protocol-handler.expose.nntp", false);
user_pref("network.protocol-handler.expose.sftp", false);
user_pref("network.protocol-handler.expose.sms", false);
user_pref("network.protocol-handler.expose.snews", false);
user_pref("network.protocol-handler.expose.tel", false);
user_pref("network.protocol-handler.expose.vnd.youtube", false);

/******************************************************************************
* SECTION: Extensions / plugins *
******************************************************************************/
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