V1.3 had a bug that caused an enforcer hit when config-defaults had to be used. In that case, a nullpointer was passed to the string-compare function, which caused an enforcer hit.
Also, the version string information was not correct, so the version command couldn't work properly with this device.
V1.4 fixes both:
http://www.icomp.de/products/xsurf/XSURF_V14.LHA
Jens