improve sanitization feature
improve sanitization feature


Former-commit-id: 303840f97a9fbf80526523d722803027f9964498
sch3m4/intelmq,sch3m4/intelmq,sch3m4/intelmq,pkug/intelmq,certtools/intelmq,pkug/intelmq,robcza/intelmq,aaronkaplan/intelmq,certtools/intelmq,pkug/intelmq,certtools/intelmq,aaronkaplan/intelmq,robcza/intelmq,pkug/intelmq,robcza/intelmq,aaronkaplan/intelmq,robcza/intelmq,sch3m4/intelmq