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	<title>Bad Permissions on Cygwin Filesystem - Revision history</title>
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	<updated>2026-05-18T15:07:11Z</updated>
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	<entry>
		<id>https://performiq.com/kb/index.php?title=Bad_Permissions_on_Cygwin_Filesystem&amp;diff=4479&amp;oldid=prev</id>
		<title>PeterHarding: Created page with &quot;=The Problem:=  The main problem seems to be *some* app’s under windows (such as Outlook’s ”Save file attachment as ....” works closely with the domain and sometimes c...&quot;</title>
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		<updated>2015-05-10T23:10:30Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;=The Problem:=  The main problem seems to be *some* app’s under windows (such as Outlook’s ”Save file attachment as ....” works closely with the domain and sometimes c...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;=The Problem:=&lt;br /&gt;
&lt;br /&gt;
The main problem seems to be *some* app’s under windows (such as Outlook’s ”Save file attachment as ....” works closely with the domain and sometimes creates files *not* truely owned by the local user and with mode ---rwxr-x.  i.e *no* permissions to the (advised)   owner.   This seems to be particularly a problem if I create a directory while doing a save attachment under Outlook.   That’s become my key test case. &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
=Remediation:=&lt;br /&gt;
&lt;br /&gt;
1.	How about adding “noacl” to /etc/fstab, so that it becomes something like, &lt;br /&gt;
&lt;br /&gt;
 none /cygdrive cygdrive binary,noacl,posix=0,user 0 0&lt;br /&gt;
&lt;br /&gt;
(gotta close all your cygwin windows and start again)&lt;br /&gt;
&lt;br /&gt;
2.	I seem to have fixed this issue on my installation by doing a &lt;br /&gt;
&lt;br /&gt;
 chmod +6000 top-level-dir&lt;br /&gt;
&lt;br /&gt;
To directories where I intend to populate&lt;br /&gt;
&lt;br /&gt;
[[Category:Cygwin]]&lt;/div&gt;</summary>
		<author><name>PeterHarding</name></author>
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