Virtual vpn in the cloud

StrongSwan parameters 
 
•
IP address:
The left and right IP addresses are assigned with the VPN1’s private IP 
and VPN2 peer’s public IP respectively. 
VPN1
 
 
VPN2 
Left=192.168.1.5 
 
 
Left=192.168.2.18 
Right=194.47.157.211 
 
Right=194.47.157.230 
•
IDs
: 
Leftid
and 
rightid
are denoted to specify the identity of the left ad right 
endpoint. 
VPN1
 
 
VPN2 
Leftid=@sun.strongswan.org 
 
Leftid=@moon.strongswan.org 
Rightid=@moon.strongswan.org
Rightid=@sun.strongswan.org 
•
Tunnel: 
Conn tunnel
denotes the connection of the tunnel with the name 
tunnel
, 
connection established at one end.
 
•
Subnets: 
The left and right subnets are the private subnets for secure data access.
 
VPN1
 
 
VPN2 
Leftsubnet=10.1.1.0/24 
 
Leftsubnet=10.1.2.0/24 
Righsubnet=10.1.2.0/24 
 
Rightsubnet=10.1.1.0/24 
 
•
IKE and ESP protocols
: The 
ike
and 
esp 
options are used to denote various 
combinations of encryption algorithm and hashing algorithms. Analyses have been 
performed examining various encryptions and hashing algorithms.
 
As a responder of the 
tunnel
, both daemons accept the first supported proposal 
received from the peer.
•
Keyingtries
:
 
This option can be set to any positive integer, indicating the number of 
attempts to be made to negotiate a connection.
•