000			00418 a2200157 4500
020			_a0201633574
082			_a005.8 _bCHE
090			_c283 _d320
100			_aCheswick, William R.
245			_aFirewalls and internet security _bRepelling the wily hacker
260			_aNew York _bAddison - Wesley _c1994 _g1994
300			_axiv,306p. _c23cm
650			_aData security
700			_aBellovin, Steven M.
942			_cSR
999			_c29492 _d29492