[or-cvs] Add a TODO item

[Nick Mathewson]

Update of /home/or/cvsroot/tor/doc
In directory moria.mit.edu:/tmp/cvs-serv27228/doc

Modified Files:
	TODO 
Log Message:
Add a TODO item

Index: TODO
===================================================================
RCS file: /home/or/cvsroot/tor/doc/TODO,v
retrieving revision 1.225
retrieving revision 1.226
diff -u -d -r1.225 -r1.226
--- TODO	23 Nov 2004 06:09:28 -0000	1.225
+++ TODO	24 Nov 2004 00:14:39 -0000	1.226
@@ -48,6 +48,8 @@
 N&R  - Update Spec
 R  X learn from ben about his openssl-reinitialization-trick to
      rotate tls keys without making new connections.
+   - Do something to prevent spurious EXTEND cells from making middleman
+     nodes connect all over.  Rate-limit failed connections, perhaps?
    - christian grothoff's attack of infinite-length circuit.
      the solution is to have a separate 'extend-data' cell type
      which is used for the first N data cells, and only