He wehewehe: IPsec he papahanaʻenehana no ka hoʻokōʻana i nā hilinaʻi palekana ma ka pūnaewele pūnaewele (IP) . Hiki i nā protocols o ka IPsec ke kākoʻo i ka hoʻopunipuni a me ka hōʻoia. Hoʻohana mauʻia ka IPsec i ka mea i kapaʻia "keʻano o ke kapuahi" me kahi Virtual Network Private (VPN) . Eia naʻe, ke kākoʻo neiʻo IPsec i kahi "mode transport" no ka pilina pololei ma waena o nā pūnaeweleʻelua.
ʻOihana,ʻoihana IPsec ma ka papahana kikowaena (Layer 3) o ke model OSI . Hoʻokomoʻiaʻo IPsec ma Microsoft Windows (Win2000 a me nāʻano hou) a me nāʻano likeʻole o Linux / Unix.