1 Usługi sieciowe Wykład 9 VPNJarosław Kurek WZIM SGGW

2 VPN PPTP 2

3 VPN PPTP # modprobe ppp-compress-18 && echo successInstalling MPPE Support Most people want their tunnels encrypted. Check the version of your kernel; if it is below rc1 then you do not have MPPE support. To check further, test like this: # modprobe ppp-compress-18 && echo success 3

4 VPN PPTP Installing the Server Program Install the pptpd package from the Debian Project: # apt-get install pptpd 4

5 VPN PPTP Configure IP Address Range Edit the file /etc/pptpd.conf for the IP address range, for example: localip remoteip , Note: see pptpd.conf(5) for more details on the other options. Note: you will need to restart pptpd to make changes to /etc/pptpd.conf effective: # /etc/init.d/pptpd restart 5

6 VPN PPTP Adding Users Configure /etc/ppp/chap-secrets for the accounts, for example: # echo "username pptpd password *" >> /etc/ppp/chap-secrets Note: this method has all the usernames in one file. There are other ways, including authentication using Radius, or using Samba. 6

7 VPN PPTP -testowanie Testowanie z windowsa Testowanie z innego linuxaapt-get install pptp-linux do konfiguracji korzystamy pptpsetup - Point-to-Point Tunneling Protocol setup pptpsetup --create --server [--domain ] --username [--password ] [--encrypt] [--start] pptpsetup --delete Uruchamiamy pon [nazwa pliku] Wyłączamy poff [nazwa pliku] 7

8 VPN PPTP -testowanie 8

9 OpenVPN 9

10 OpenVPN -konfiguracjaLink to opisu konfiguracji w pdf ~jkurek/US/openvpn.pdf Należy zrobić dwa przykłady: Debian server – debian klient Debian server – windows klient 10

11 OpenVPN a)– wynik server11

12 OpenVPN b) wynik klient12