README: Add some more notes about how useful `noip' is.

[preload-hacks] / README

diff --git a/README b/README
index 980f5a4..b067845 100644 (file)
--- a/README
+++ b/README
@@ -261,6 +261,25 @@ noip
        stuff that Emacs does magically find the SSH tunnel and work
        without me having to care.
 
        stuff that Emacs does magically find the SSH tunnel and work
        without me having to care.
 

+  Testing
+
+       noip provides a handy way for testing network servers and so on
+       safely.  For a start, you can run your test server apparently on
+       the same port as the real one.  Because noip consults the
+       environment variable NOIP_SOCKETDIR to find out where to put its
+       sockets, you can run two at a time and they don't interfere.
+       And noip doesn't care what port numbers your program tries to
+       bind, so you don't need to jump through stupid hoops in order to
+       test programs which use `privileged' ports.
+
+  Other applications
+
+       There are certainly loads of handy things you can do with noip.
+       If you think of one, let me know!
+
+                                                               Mark Wooding
+                                                       mdw@distorted.org.uk
+

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