LEADER 00000nam 2200193 a 4500 001 1565921240 003 UkHlHU 007 t 008 990729s1995 CAM 000 020 1565921240 040 UkHlHU 100 1 Chapman, D Brent. 245 10 Building internet firewalls. 260 Cambridge :|bO'Reilly and Associates,|c1995. 300 517 p. 650 0 Internet|xSecurity measures. 700 1 Zwicky, Elizabeth D. 936 UCS bib. record
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