Khaled Salah 0001Karim SattarZubair A. BaigMohammed H. SqalliPrasad CalyamDiscovering last-matching rules in popular open-source and commercial firewalls.23-3120105Int. J. Internet Protoc. Technol.1/2https://doi.org/10.1504/IJIPT.2010.032612https://www.wikidata.org/entity/Q114963626db/journals/ijipt/ijipt5.html#SalahSBSC10