00561nam a22001817a 4500020001600000082001300016100002300029245002600052250001100078260003100089300002900120490001700149650004100166700004600207942000700253999001900260952010000279  a0764540483   a280 SCB   aBrian Komar969273  aFirewalls for dummies  a2nd ed  aNew Yorkb Wiley Pubc2003  a411Pbill. ; 24 cm,  xvi  aFor dummies.  aFirewalls (Computer security)969274  aRonald Beekelaar and Joern Wettern969275  cBK  c576634d576634  00104070aCEMEbCEMEcGENd2017-12-15l0o280 SCBpCEME-SCB-19027r2021-06-28w2021-06-28yBK