Was noticing a lot of invalid hosts in the catcher. The problem is a not quite right list of invalid hosts. See http://www.faqs.org/rfcs/rfc1597.html

Set "mNetInvalidHosts=0.0.0.0 255.*.*.* 172.16.*.* 192.168.*.* 10.*.*.* 172.17.*.* 17
2.18.*.* 172.19.*.* 172.20.*.* 172.21.*.* 172.22.*.* 172.23.*.* 172.24.*.* 172.2
5.*.* 172.26.*.* 172.27.*.* 172.28.*.* 172.29.*.* 172.30.*.* 172.31.*.* " in phex.cfg

Could this be added to the next release/