Qeexitaanka: IPsec waa heer tignoolaji ah oo lagu fulinayo sifooyinka amniga ee shabakadda Internetka (IP) . Nidaamyada shabakadda IPsec waxay taageertaa asturnaanta iyo aqoonsiga. IPsec waxaa inta badan loo adeegsadaa qaab loo yaqaan "tunnel" oo leh Shabakadda Private Private Network (VPN) . Si kastaba ha ahaatee, IPsec sidoo kale waxay taageertaa "habka gaadiidka" ee xiriirka tooska ah ee u dhaxeeya laba kombuyuutar.
Farsamo ahaan, IPsec waxay ka shaqeysaa lakabka shabakadda (Layer 3) ee qaabka OSI . IPsec waxaa lagu taageeray Microsoft Windows (Win2000 iyo noocyada cusub) iyo sidoo kale noocyada ugu badan Linux / Unix.