protocol- pptp allow by most firewalls figh comp, data anecr authetn, not certif infrastr, L2p/ipsec = block by nat in some cases, provid encrpt for user authet need pki n high encryt via 3des secure socket tunnel protocol sstp- provid firewall config, support wind xpsp2 n later user rc3 aes encrpt requ trust cert person server vpn types- access vpns use provid remote access user using dialup cable or dsl or other internet connect, client-to-site= open network allow client connect gateway w/o encrypt, closed network more common, requir security, intranet vpns connect diff locat in local style network as branch office n corp offic, site-to site ench is connect to remot netowrk, conect remot nework transverssses either a public or unsecuri network is secured via ipsec, extrnet vpns connect network belong to diff organ usual for purpose of shar data n applicat vpn solut incl- multi compon vpn client, vpn server, virtual tunnelling network over internet, authet proceedurees initial by vpn server against domain database ip config provid vpn server or dhcp authoriz polici provid by vpn server or radius server encrytp types, ms pt to pt, encrpt mppe- used w pt -pt tunneling protocol pptp, requires use of ms chap or v2 eap provides strong standard encrytp 128bit or 56bit, ipsec used layer 2 tunneling protocol l2tp- ipsec only vpns are supported data encry use data encry stand des 3des advance encryt stand aes, also use indep of vpns to prvi transport n tunnel mode protections
protocol- pptp allow by most firewalls figh comp, data anecr authetn, not certif infrastr, L2p/ipsec = block by nat in some cases, provid encrpt for user authet need pki n high encryt via 3des secure socket tunnel protocol sstp- provid firewall config, support wind xpsp2 n later user rc3 aes encrpt requ trust cert person server vpn types- access vpns use provid remote access user using dialup cable or dsl or other internet connect, client-to-site= open network allow client connect gateway w/o encrypt, closed network more common, requir security, intranet vpns connect diff locat in local style network as branch office n corp offic, site-to site ench is connect to remot netowrk, conect remot nework transverssses either a public or unsecuri network is secured via ipsec, extrnet vpns connect network belong to diff organ usual for purpose of shar data n applicat vpn solut incl- multi compon vpn client, vpn server, virtual tunnelling network over internet, authet proceedurees initial by vpn server against domain database ip config provid vpn server or dhcp authoriz polici provid by vpn server or radius server encrytp types, ms pt to pt, encrpt mppe- used w pt -pt tunneling protocol pptp, requires use of ms chap or v2 eap provides strong standard encrytp 128bit or 56bit, ipsec used layer 2 tunneling protocol l2tp- ipsec only vpns are supported data encry use data encry stand des 3des advance encryt stand aes, also use indep of vpns to prvi transport n tunnel mode protections