This bug was fixed in the package iptables - 1.4.12-2ubuntu5
--------------- iptables (1.4.12-2ubuntu5) raring; urgency=low
* libxt_string: fix space around arguments. (LP: #1074923) -- Chris J Arges <email address hidden> Mon, 18 Feb 2013 18:19:12 -0600
This bug was fixed in the package iptables - 1.4.12-2ubuntu5
---------------
iptables (1.4.12-2ubuntu5) raring; urgency=low
* libxt_string: fix space around arguments. (LP: #1074923)
-- Chris J Arges <email address hidden> Mon, 18 Feb 2013 18:19:12 -0600