00379    a2200121   4500020001500000082001600015245008400031260003700115300002100152650003500173650002800208650002100236  a8176350397  a004.69bMAX  aMaximum securityba hacker's guide to protecting your internet site and network  aNew DelhibTechmediac1997g1997  axxxi,908p.c24cm  aInterfacing and communications  aComputer communications  aComputer science