00265nam a2200097Ia 4500008004100000082001500041100001900056245005400075260003100129365000700160230302s9999    xx            000 0 und d  a004.678BLA  aBLANK (Uyless)  aInternet Security Protocols Protecting IP Traffic  aNEW YORKb PEACHPIT PRESS   cRS