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<title>Proprietary Jails - GNU Project - Free Software Foundation</title>
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<h2>Proprietary Jails</h2>
(削除) <p><a href="/proprietary/proprietary.html">Other examples of proprietary malware</a></p> (削除ここまで)
(追記) <div class="infobox">
<hr class="full-width" /> (追記ここまで)
<p>Nonfree (proprietary) software is very often malware (designed to
mistreat the user). Nonfree software is controlled by its developers,
which puts them in a position of power over the users; <a
href="/philosophy/free-software-even-more-important.html">that is the
basic injustice</a>. The developers (追記) and manufacturers (追記ここまで) often exercise
that power to the detriment of the users they ought to serve.</p>
(削除) <p>Here are examples (削除ここまで)
(追記) <p>This typically takes the form (追記ここまで) of (削除) proprietary (削除ここまで) (追記) malicious functionalities.</p>
<hr class="full-width" />
</div>
<div class="article">
<p>The “jails” are malicious operating (追記ここまで) systems that are
(削除) <em>jails</em>: they do not allow (削除ここまで)
(追記) designed to impose censorship of which applications (追記ここまで) the user (削除) to freely install
applications. (削除ここまで) (追記) can install. (追記ここまで)
The <a href="http://i.imgur.com/ZRViDum.jpg">image of the iPrison</a>
illustrates this issue.</p>
<!-- embed http://i.imgur.com/ZRViDum.jpg here -->
<!-- Linking to it. Not possible to embed due to licensing. See RT #887471 -->
<p>These systems are platforms for censorship imposed by the company
that owns the system. Selling products designed as platforms for a
company to impose censorship ought to be forbidden by law, but it
isn't.</p>
(追記) <p>This page lists a few jails, along with some of the methods they use
to censor apps, and includes specific examples of apps that were blocked
using this censorship power.</p>
<div class="important">
<p>If you know of an example that ought to be in this page but isn't
here, please write
to <a href="mailto:webmasters@gnu.org"><webmasters@gnu.org></a>
to inform us. Please include the URL of a trustworthy reference or two,
preferably in English, to serve as specific substantiation.</p>
</div>
<div id="TOC" class="toc-inline"> (追記ここまで)
<ul>
(削除) <li> (削除ここまで)
(追記) <li> <a href="#apple">Apple</a> </li>
<li> <a href="#consoles">Game consoles</a> </li>
<li> <a href="#google">Google</a> </li>
<li> <a href="#microsoft">Microsoft</a> </li>
</ul>
</div>
<h3 id="apple">Apple</h3>
<ul class="blurbs">
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M202401280">
<!--#set var="DATE" value='<small class="date-tag">2024-01</small>'
--><!--#echo encoding="none" var="DATE" --> (追記ここまで)
<p>Apple (追記) repeatedly (追記ここまで) <a
(削除) href="https://www.nytimes.com/2017/07/29/technology/china-apple-censorhip.html">
deleted several VPNs from (削除ここまで)
(追記) href="https://www.tomsguide.com/phones/rip-beeper-mini-imessage-on-android-is-now-truly-done">
sabotaged Beeper Mini</a>, a client to replace (追記ここまで) its (追記) iMessage instant
messaging service, interfering with people's ability to use their
installed software just to keep a dominant position in that market
by avoiding competition.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M202207200">
<!--#set var="DATE" value='<small class="date-tag">2022-07</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Shortcuts, a built-in scripting (追記ここまで) app (削除) store (削除ここまで) (追記) on Apple devices, <a
href="https://support.apple.com/guide/shortcuts/apdf01f8c054/5.0/ios/15.0">
doesn't give you complete freedom to share scripts</a>
(a.k.a. “shortcuts”). Exporting a script as a file <a
href="https://web.archive.org/web/20230329031338/https://www.reddit.com/r/StallmanWasRight/comments/vogb0c/all_methods_of_sharing_ios_shortcuts_require_an/">
requires an Apple ID</a>, and may be subjected to censorship by Apple.</p>
<p>In this situation (and many others), switching from iPhony/iBad to a
freedom respecting device gives you both convenience and freedom. The
assumption that you must sacrifice convenience to get freedom is
often wrong. Jails are inconvenient.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M202109170">
<!--#set var="DATE" value='<small class="date-tag">2021-09</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple has made it <a
href="https://gizmodo.com/apple-and-google-pull-opposition-app-from-russian-store-1847695238">
impossible to load Navalny's tactical voting app into an iPhone</a>
in Russia.</p>
<p>It is impossible because (1) the iPhone refuses to load apps
from anywhere other than Apple, and (2) Apple has obeyed a Russian
censorship law. The first point is enforced by Apple's nonfree
software.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201904080">
<!--#set var="DATE" value='<small class="date-tag">2019-04</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple plans to require that <a
href="https://www.macrumors.com/2019/04/08/mac-apps-notarization-macos-10-14-5/">
all application software (追記ここまで) for (削除) China</a>,
thus using its own (削除ここまで) (追記) MacOS be approved by Apple first</a>.</p>
<p>Offering a checking service as an option could be
useful and would not be wrong. Requiring users to get
Apple's approval is tyranny. Apple says the check will
only look for malware (not counting the malware that is <a
href="/proprietary/malware-apple.html#TOC">part of
the operating system</a>), but Apple could change that policy step
by step. Or perhaps Apple will define malware to include any app
that the Chinese government does not like.</p>
<p>For free software, this means users will need to get Apple's
approval after compilation. This amounts to a system of surveilling
the use of free programs.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M200803070">
<!--#set var="DATE" value='<small class="date-tag">2008-03</small>'
--><!--#echo encoding="none" var="DATE" -->
<p><a href="https://en.wikipedia.org/w/index.php?title=IOS_jailbreaking&oldid=835861046">
iOS, the operating system of the Apple iThings, is the prototype
of a jail</a>. It was Apple that introduced the practice of
designing general purpose computers with censorship of application
programs.</p>
<p>Here is an article about the <a
href="https://weblog.rogueamoeba.com/2008/03/07/code-signing-and-you/">
code signing</a> that the iThings use to lock up the user.</p>
<p>Curiously, Apple is beginning to allow limited passage through the
walls of the iThing jail: users can now install apps built from
source code, provided the source code is written in Swift. Users
cannot do this freely because they are required to identify
themselves. <a href="https://developer.apple.com/xcode/">Here
are details</a>. While this is a crack in the prison walls, it is not
big enough to mean that the iThings are no longer jails.</p>
</li>
</ul>
<h4 id="apple-censorship">Examples of (追記ここまで) censorship (追記) by Apple jails</h4>
<ul class="blurbs">
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M202510030">
<!--#set var="DATE" value='<small class="date-tag">2025-10</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Bowing down to the US government, Apple and Google <a
href="https://www.npr.org/2025/10/03/nx-s1-5561999/apple-google-iceblock-app-removal">
removed</a> from their stores <a
href="https://www.androidauthority.com/ice-alert-app-red-dot-pulled-play-store-3603936/">
several applications</a> used for reporting ICE raids. Google
even tried to justify it by calling ICE thugs a “vulnerable
group,” despite them being the ones who carry the weapons.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M202108200">
<!--#set var="DATE" value='<small class="date-tag">2021-08</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>The Russian communications watchdog <a
href="https://www.reuters.com/legal/litigation/russian-watchdog-tells-google-apple-remove-navalny-app-report-2021年08月20日/">
tells Google and Apple to remove Navalny's app</a> from their
stores.</p>
<p>Because Apple controls what a user can install, this is absolute
censorship. By contrast, because Android does not do that, users can
install apps even if Google does not offer them.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M202008300">
<!--#set var="DATE" value='<small class="date-tag">2020-08</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple is <a
href="https://www.theguardian.com/technology/2020/aug/30/this-isnt-the-1990s-apple-under-pressure-from-app-developers">
putting the squeeze on all business</a> conducted through apps
for iMonsters.</p>
<p>This is a symptom of a very big injustice: that Apple has the (追記ここまで)
power to (削除) strengthen (削除ここまで) (追記) decide what software can be installed on an iMonster.
That it is a jail.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201910100">
<!--#set var="DATE" value='<small class="date-tag">2019-10</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple has <a
href="https://www.theguardian.com/world/2019/oct/10/hong-kong-protests-apple-pulls-tracking-app-after-china-criticism">
banned the app (追記ここまで) that (追記) Hong Kong protesters use to communicate</a>.</p>
<p>Obeying the “local laws” about what people can do with
software is no excuse for censoring what software people can use.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201910070">
<!--#set var="DATE" value='<small class="date-tag">2019-10</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple <a
href="https://web.archive.org/web/20240717103832/https://boingboing.net/2019/10/07/apple-ios-13-1-2-for-hong-kong.html">
censors the Taiwan flag in iOS</a> on behalf (追記ここまで) of the Chinese
government.
(削除) </p> (削除ここまで) (追記) When the region is set to Hong Kong, this flag is not
visible in the emoji selection widget but is still accessible. When the
region is set to mainland China, all attempts to display it will result
in the “empty emoji” icon as if the flag never existed.</p>
<p>Thus, not only does Apple use the App Store as an instrument
of censorship, it also uses the iThing operating system for that
purpose.</p> (追記ここまで)
</li>
(削除) <li> (削除ここまで)
(追記) <!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201905150">
<!--#set var="DATE" value='<small class="date-tag">2019-05</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Users caught in the jail of an iMonster are <a
href="https://web.archive.org/web/20240602154456/https://boingboing.net/2019/05/15/brittle-security.html">sitting
ducks for other attackers</a>, and the app censorship prevents security
companies from figuring out how those attacks work.</p>
<p>Apple's censorship of apps is fundamentally unjust, and would be
inexcusable even if it didn't lead to security threats as well.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201710130">
<!--#set var="DATE" value='<small class="date-tag">2017-10</small>'
--><!--#echo encoding="none" var="DATE" --> (追記ここまで)
<p>Apple is <a
href="https://www.eff.org/deeplinks/2017/10/iranian-hardliners-want-isolated-internet">
censoring apps for the US government too</a>. Specifically, it is
deleting apps developed by (削除) Iranians.
</p> (削除ここまで) (追記) Iranians.</p> (追記ここまで)
<p>The root of these wrongs (削除) are (削除ここまで) (追記) is (追記ここまで) in Apple. If Apple had not designed
the iMonsters to let Apple censor applications, Apple would not have
had the power to stop users from installing whatever kind of apps.</p>
</li>
(削除) <li>
<p>Windows 10 S ought to be called Windows 10 J, for “Jail”: (削除ここまで)
(追記) <!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201707290">
<!--#set var="DATE" value='<small class="date-tag">2017-07</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple (追記ここまで) <a (削除) href="https://www.theguardian.com/technology/2017/may/03/windows-10-s-microsoft-faster-pc-comparison">only programs (削除ここまで)
(追記) href="https://web.archive.org/web/20251104015300/https://www.nytimes.com/2017/07/29/technology/china-apple-censorhip.html">
deleted several VPNs (追記ここまで) from (削除) the Windows Store can be
downloaded and executed</a>.</p>
<p>If the history (削除ここまで) (追記) its app store for China</a>, thus using its
own censorship power to strengthen that (追記ここまで) of (削除) iOS as a jail is any indication, Windows 10 J
will be no better.</p>
</li>
<li><p>Google Chrome, running on Windows, <a href="https://www.privateinternetaccess.com/blog/2015/06/google-chrome-listening-in-to-your-room-shows-the-importance-of-privacy-defense-in-depth/">is a jail</a>.</p> (削除ここまで) (追記) the Chinese government.</p> (追記ここまで)
</li>
(削除) <li><p>
Apple (削除ここまで)
(追記) <!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201701064">
<!--#set var="DATE" value='<small class="date-tag">2017-01</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple (追記ここまで) used its censorship system to enforce Russian surveillance <a
(削除) href="http://www.nytimes.com/2017/01/06/technology/linkedin-blocked-in-russia.html?partner=rss&emc=rss&_r=0"> (削除ここまで)
(追記) href="https://web.archive.org/web/20220402210254/https://www.nytimes.com/2017/01/06/technology/linkedin-blocked-in-russia.html"> (追記ここまで)
by blocking distribution of the LinkedIn app in Russia</a>.</p>
<p>This is ironic because LinkedIn is a surveillance system itself.
While subjecting its users to its own surveillance, it tries to
protect its users from Russian surveillance, and is therefore subject
to Russian censorship.</p>
<p>However, the point here is the wrong of Apple's censorship of
apps.</p>
</li>
(削除) <li><p>
Apple (削除ここまで)
(追記) <!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201701050">
<!--#set var="DATE" value='<small class="date-tag">2017-01</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple (追記ここまで) used its censorship system to enforce China's censorship <a (削除) href="https://www.theguardian.com/world/2017/jan/05/apple-removes-new-york-times-app-in-china">by (削除ここまで)
(追記) href="https://www.theguardian.com/world/2017/jan/05/apple-removes-new-york-times-app-in-china">
by (追記ここまで) blocking distribution of the New York Times (削除) app</a>.</p></li>
<li><p>
Apple (削除ここまで) (追記) app</a>.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201605190">
<!--#set var="DATE" value='<small class="date-tag">2016-05</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple (追記ここまで) censors games, <a (削除) href="http://arstechnica.com/gaming/2016/05/apple-says-game-about-palestinian-child-isnt-a-game">banning (削除ここまで)
(追記) href="https://arstechnica.com/gaming/2016/05/apple-says-game-about-palestinian-child-isnt-a-game/">
banning (追記ここまで) some games from the cr…app store</a> because of which
political points they suggest. Some political points are apparently
considered acceptable.</p>
</li>
(削除) <li><p>
Apple (削除ここまで)
(追記) <!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201509290">
<!--#set var="DATE" value='<small class="date-tag">2015-09</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple (追記ここまで) <a (削除) href="http://ifixit.org/blog/7401/ifixit-app-pulled/"> (削除ここまで) (追記) href="https://www.ifixit.com/News/7401/ifixit-app-pulled"> (追記ここまで)
banned a program from the App Store</a> because its developers
committed the enormity of disassembling some (削除) iThings.
</p></li>
<li><p>
Apple rejected an app that displayed the locations of US drone
assassinations, giving various excuses. Each time the developers
fixed one “problem”, Apple complained about another.
After the fifth rejection,
Apple <a href="http://mashable.com/2014/02/07/apple-app-tracks-drone-strikes/">admitted
it was censoring the app based on the subject matter</a>.
</p></li>
<li><p>
As (削除ここまで) (追記) iThings.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201509230">
<!--#set var="DATE" value='<small class="date-tag">2015-09</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>As (追記ここまで) of 2015, Apple <a (削除) href="http://www.theguardian.com/commentisfree/2015/sep/23/apple-anti-choice-tendencies-showing-in-app-store-reproductive-rights">systematically (削除ここまで)
(追記) href="https://www.theguardian.com/commentisfree/2015/sep/23/apple-anti-choice-tendencies-showing-in-app-store-reproductive-rights">
systematically (追記ここまで) bans apps that endorse abortion rights or would help
women find abortions</a>.</p>
(削除) <p>
This (削除ここまで)
(追記) <p>This (追記ここまで) particular political slant <a (削除) href="http://www.theguardian.com/technology/2011/dec/01/siri-abortion-apple-unintenional-omissions"> (削除ここまで)
(追記) href="https://www.theguardian.com/technology/2011/dec/01/siri-abortion-apple-unintenional-omissions"> (追記ここまで)
affects other Apple (削除) services</a>.
</p></li>
<li><p>
<a
href="http://www.theguardian.com/media/2016/feb/03/google-pulls-ad-blocking-app-for-samsung-phones">Google
censored installation of Samsung's ad-blocker,</a> saying that
blocking ads is “interference” with the sites that
advertise (and surveil users through ads).</p>
<p>The ad-blocker is proprietary software, just like the program (Google
Play) that Google used to deny access to install it. Using a nonfree program
gives the owner power over you, and Google has exercised that power.</p>
<p>Google's censorship, unlike that of Apple and Microsoft, is not total:
Android allows users to install apps in other ways. You can install
free programs from f-droid.org.</p> (削除ここまで) (追記) services</a>.</p> (追記ここまで)
</li>
(削除) <li>
<p><a href="http://boingboing.net/2010/04/02/why-i-wont-buy-an-ipad-and-think-yo.html">
iOS, the operating system of the Apple iThings, is the prototype of a
jail.</a> It was Apple that introduced the practice of designing
general purposes computers with censorship of application
programs.</p>
<p>Apple used this censorship power in 2014
to <a href="http://boingboing.net/2014/02/07/apple-yanks-last-remaining-bit.html">
ban all bitcoin apps</a> for the iThings for a time. It
also <a href="http://www.gamespot.com/articles/apple-removes-game-about-growing-marijuana-from-app-store/1100-6419864/">banned
a game about growing marijuana</a>, while permitting games about other
crimes such as killing people. Perhaps Apple considers killing more
acceptable than marijuana.</p>
<p>Here is an article about
the <a href="http://weblog.rogueamoeba.com/2008/03/07/code-signing-and-you/">code
signing</a> that the iThings use to lock up the user.</p>
<p>Curiously, Apple is beginning to allow limited passage through the
walls of the the iThing jail: users can now install apps built (削除ここまで)
(追記) <!-- Copied (追記ここまで) from
(削除) source code, provided the source code is written in Swift. Users
cannot do this freely because they are required to identify themselves.
<a href="https://developer.apple.com/xcode/">Here are details.</a></p>
<p>While this is a crack in the prison walls, it is (削除ここまで) (追記) workshop/mal.rec. Do (追記ここまで) not (削除) big enough to
mean that the iThings are no longer jails.</p>
</li>
<li> (削除ここまで) (追記) edit in proprietary-jails.html. -->
<li id="M201506250">
<!--#set var="DATE" value='<small class="date-tag">2015-06</small>'
--><!--#echo encoding="none" var="DATE" --> (追記ここまで)
<p>Apple has banned iThing
applications that show the confederate flag. <a (削除) href="http://www.huffingtonpost.com/2015/06/25/apple-confederate-flag_n_7663754.html"> (削除ここまで)
(追記) href="https://www.huffpost.com/entry/apple-confederate-flag_n_7663754"> (追記ここまで)
Not only those that use it as a symbol of racism</a>, but even
strategic games that use it to represent confederate army units
fighting in the Civil War.</p>
<p>This ludicrous rigidity illustrates the point that Apple should
not be allowed to censor apps. Even if Apple carried out this act of
censorship with some care, it would still be wrong. Whether racism
is bad, whether educating people about drone attacks is bad, are not
the real issue. Apple should not have the power to impose its views
about either of these questions, or any other.</p>
</li>
(削除) <li>
<p>
<a href="http://www.theguardian.com/technology/2014/dec/11/papers-please-game-ipad-nude-body-scans">More (削除ここまで)
(追記) <!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201412110">
<!--#set var="DATE" value='<small class="date-tag">2014-12</small>'
--><!--#echo encoding="none" var="DATE" -->
<p><a
href="https://www.theguardian.com/technology/2014/dec/11/papers-please-game-ipad-nude-body-scans">
More (追記ここまで) examples of Apple's arbitrary and inconsistent (削除) censorship</a>.
</p> (削除ここまで) (追記) censorship</a>.</p> (追記ここまで)
</li>
(削除) <li>
<p><a
href="http://www.itworld.com/article/2832657/operating-systems/microsoft-metro-app-store-lock-down.html">Windows 8 on “mobile devices” is (削除ここまで)
(追記) <!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201405250">
<!--#set var="DATE" value='<small class="date-tag">2014-05</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple used this censorship power in 2014 to <a
href="https://web.archive.org/web/20240616170233/https://boingboing.net/2014/02/07/apple-yanks-last-remaining-bit.html">
ban all bitcoin apps</a> for the iThings for a time. It also <a
href="https://www.gamespot.com/articles/apple-removes-game-about-growing-marijuana-from-app-store/1100-6419864/">
banned (追記ここまで) a (削除) jail.</a></p> (削除ここまで) (追記) game about growing marijuana</a>, while permitting games
about other crimes such as killing people. Perhaps Apple considers
killing more acceptable than marijuana.</p> (追記ここまで)
</li>
(削除) <li>
<p>Game consoles are jails, too: no (削除ここまで)
(追記) <!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201402070">
<!--#set var="DATE" value='<small class="date-tag">2014-02</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Apple rejected an app that displayed the locations
of US drone assassinations, giving various excuses. Each
time the developers fixed one “problem”, Apple
complained about another. After the fifth rejection, Apple <a
href="https://mashable.com/archive/apple-app-tracks-drone-strikes">
admitted it was censoring the app based on the subject matter</a>.</p>
</li>
</ul>
<h3 id="consoles">Game consoles</h3>
<p>No (追記ここまで) game can run on the console unless the console's manufacturer
has authorized it. Alas, (削除) I (削除ここまで) (追記) we (追記ここまで) can't find a article to cite as a reference
for this fact. Please inform us if you know of (削除) one.
</p> (削除ここまで) (追記) one.</p>
<ul class="blurbs">
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201807110">
<!--#set var="DATE" value='<small class="date-tag">2018-07</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Nintendo has devoted a lot of effort to <a
href="https://arstechnica.com/gaming/2018/07/nintendo-reportedly-rolling-out-new-more-hack-proof-switch-hardware/">
preventing users from installing third-party software on its Switch
consoles</a>. These are now full-blown jails.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201003280">
<!--#set var="DATE" value='<small class="date-tag">2010-03</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Sony restricted access to the PlayStation 3 GPU, so people
who installed a GNU/Linux operating system on the console couldn't
use it at full capacity. When some of them broke the restriction, <a
href="https://blog.playstation.com/2010/03/28/ps3-firmware-v3-21-update/">Sony
removed the ability to install other operating
systems</a>. Then users broke that restriction too, but <a
href="https://www.engadget.com/2011-01-12-sony-follows-up-officially-sues-geohot-and-fail0verflow-over-ps.html">got
sued by Sony</a>.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M200512270">
<!--#set var="DATE" value='<small class="date-tag">2005-12</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>To install and use third-party operating
systems and programs on the Xbox console, <a
href="https://events.ccc.de/congress/2005/fahrplan/attachments/591-paper_xbox.pdf">people
had to break the restrictions imposed by Microsoft</a>.</p> (追記ここまで)
</li>
</ul>
(削除) </div><!-- for id="content", starts (削除ここまで)
(追記) <h3 id="google">Google</h3>
<ul class="blurbs">
<!-- Copied from workshop/mal.rec. Do not edit (追記ここまで) in (追記) proprietary-jails.html. -->
<li id="M202508270">
<!--#set var="DATE" value='<small class="date-tag">2025-08</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Google has announced (追記ここまで) the (削除) include above (削除ここまで) (追記) inclusion of a <a
href="https://itsfoss.com/news/new-android-sideloading-rules/">
“security” measure</a> in Android “smartphones,”
which will require any software installed in certified Android devices
to come from a developer who has gone through Google's new developer
verification program.</p>
<p>The problem here is not that there's a system that provides trust
on the origin of the software. A system like that might be useful,
but the end user should still be able to select which organization
provides that service, or maybe set up such an organization or renounce
the service altogether.</p>
<p>Making this verification exclusive to Google makes us question which
is the threat here. Is it a user installing malware inadvertently? Or
is it the user installing software that makes Google lose money?</p>
<p>This will also kill projects such as <a
href="https://f-droid.org/en/2025/09/29/google-developer-registration-decree.html">
F-Droid</a> that promote privacy and freedom by distributing free
(as in freedom) apps.</p>
</li>
</ul>
<h3 id="microsoft">Microsoft</h3>
<ul class="blurbs">
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201706130">
<!--#set var="DATE" value='<small class="date-tag">2017-06</small>'
--><!--#echo encoding="none" var="DATE" -->
<p>Windows 10 S was a jail: <a
href="https://www.theguardian.com/technology/2017/may/03/windows-10-s-microsoft-faster-pc-comparison">
only programs from the Windows Store could be
installed and executed</a>. It was however possible to <a
href="https://www.theverge.com/2017/6/13/15789998/microsoft-windows-10-s-upgrade-windows-10-pro-guide">
upgrade to Windows 10 Pro</a>. The successor of Windows
10 S is a special configuration of Windows 10 called <a
href="https://support.microsoft.com/en-us/windows/windows-10-and-windows-11-in-s-mode-faq-851057d6-1ee9-b9e5-c30b-93baebeebc85">
S mode</a>. The major difference with Windows 10 S is that there is
an easy way to switch out of S mode.</p>
</li>
<!-- Copied from workshop/mal.rec. Do not edit in proprietary-jails.html. -->
<li id="M201210080">
<!--#set var="DATE" value='<small class="date-tag">2012-10</small>'
--><!--#echo encoding="none" var="DATE" -->
<p><a
href="https://web.archive.org/web/20190917162027/https://www.itworld.com/article/2832657/microsoft-metro-app-store-lock-down.html">
Windows 8 on “mobile devices” (now defunct) was a
jail</a>.</p>
</li>
</ul>
</div>
</div>
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