Crispin Cowan Steve Beattie Greg Kroah-Hartman Calton Pu Perry Wagle Virgil D. Gligor SubDomain: Parsimonious Server Security. 355-368 2000 LISA http://www.usenix.org/publications/library/proceedings/lisa2000/cowan.html db/conf/lisa/lisa2000.html#CowanBKPWG00