000 00313nam a2200121Ia 4500
005 20260413101306.0
008 230516s9999||||xx |||||||||||||| ||und||
245 0 _aBasics of Network Security, Firewalls and VPNS
260 _bN. Delhi, PHI
_c2005
300 _a294
942 _cGB
999 _c9406
_d9406