?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=22064104%2C+YOHAN+KRISTIANTO&rft.aulast=22064104&rft.aufirst=YOHAN+KRISTIANTO&rft.tpages=55&rft.date=February+2011&rft.inst=Universitas+Kristen+Duta+Wacana&rft.degree=Bachelor&rft.title=INTRUSION+PREVENTION+SYSTEM+BERBASIS+SNORT+DAN+IPTABLES