rem: if (ipv4HostRegExp.test(aHostName)) 
add:  if (ipv4HostRegExp.test(aHostName) && aHostName != '0.0.0.0') 
context: function isIPv4HostName(aHostName){  var ipv4HostRegExp = new RegExp(/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/);  // IPv4  if (ipv4HostRegExp.test(aHostName))    return true;  else    return false;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/43a0ace3ec7e73a74af09ef19a723353bcad5c20/phishingDetector.js/clean/mail/base/content/phishingDetector.js