VPN Linux ipsec

Network – is one of the most viable solutions found in the computer market nowadays. At this work, the main features of this technology will be shown, implementing it in the Linux operational system, using the IPSec protocol, in order to place it as a safe and economically attractive alternative for private and governmental organizations. Key-Words: Computer Networks, Network Security, Cryptography, VPN, IPSec, Linux. www.ProjetodeRedes.kit.net LISTA DE ILUSTRAÇÕES Figura 1: Exemplo de uma rede de computadores....................................................................4 Figura 2: Rede ponto-a-ponto. ...................................................................................................5 Figura 3: Rede cliente-servidor. .................................................................................................6 Figura 4: Exemplo de uma LAN. ................................................................................................7 Figura 5: Exemplo de uma WAN. ...............................................................................................7 Figura 6: Endereçamento IP. ...................................................................................................10 Figura 7: Fluxo normal de uma informação. ............................................................................12 Figura 8: Fluxo interrompido.…

interferences. The VPN – Virtual Private Network – is one of the most viable solutions found in the computer market nowadays. At this work, the main features of this technology will be shown, implementing it in the Linux operational system, using the IPSec protocol, in order to place it as a safe and economically attractive alternative for private and governmental organizations. Key-Words: Computer Networks, Network Security, Cryptography, VPN, IPSec, Linux. LISTA DE ILUSTRAÇÕES…