00899    a2200217   4500003000500000005001700005040000900022082001000031100002800041245005400069260003300123300001500156505021600171538002900387650001400416651001100430942000800441999001900449952012000468952009300588Nust20170207171113.0  cNust  a005.8  aRehma-ur-Altaf (MSIS-9)  aIdentification of encrypted voipcAltaf-ur-Rehman  aRawalpindibMCS (NUST)c2012  axiv,82,p.;  aIntroduction (page-1) Voip protocols/standards (page-4) Voip security protocols (page-16) Ipsec standard and its protocols (page-20) Results and analysis (page-35) Snort (page-54) Proposed architecture (page-76)  aAlmirah No. 70Shelf No.5  aPG Thesis  aMSIS-9  cTHS  c216222d216222  00102ddc4070aMCSbMCSd2016-12-12o005.8  REHpMCSTIS-164r2016-12-08w2016-12-12yBKzOnly Hard Copy Available  00102ddc4070aCLbCLcTHEd2020-11-11l0o004pCL-T-1125r2020-11-11w2020-11-11yTHS