README: Add FAQ for Dropbox

Fixes vgough#388
rfjakob · Aug 22, 2017 · 2cc9759 · 2cc9759
1 parent 06f2e96
commit 2cc9759
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diff --git a/README.md b/README.md
@@ -80,3 +80,11 @@ between changes.
 
 How about a nice email instead?
 
+## FAQ
+
+### What settings should I use for Dropbox?
+
+Use **standard mode**. There have been [reports](https://github.com/vgough/encfs/issues/388)
+of a pathological interaction of paranoia mode with Dropbox' rename
+detection. The problem seems to be with `External IV chaining`, which is
+not active in standard mode.