User`s manual

Content Security Gateway User’s Manual
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Example 3. Create a VPN connection between two Content Security Gateways using Aggressive mode
Algorithm (3 DES and MD5), and data encryption for IPSec Algorithm (3DES and MD5)
Preparation Task:
Company A External IP is 61.11.11.11
Internal IP is 192.168.10.X
Company B External IP is 211.22.22.22
Internal IP is 192.168.20.X
To Allow Company A, 192.168.10.100 create a VPN connection with company B, 192.168.20.100 for
downloading the sharing file.
The Gateway of Company A is 192.168.10.1. The settings of company A are as the following.
Step 1. Enter the default IP of Company A’s Content Security Gateway, 192.168.10.1. Click VPN in the menu
bar on the left hand side, and then select the sub-select IPSec Autokey. Click Add.
Step 2. Enter the VPN name, VPN_A in IPSec Autokey window, and choose From Source to be Internal. Fill
the subnet IP, 192.168.10.0 and subnet mask, 255.255.255.0.
Step 3. In To Destination table, choose Remote Gateway-Fixed IP, enter the IP desired to be connected,
company B’s subnet IP and mask.
Step 4. In Authentication Method Table, choose Preshare and enter the Preshared Key. (The max length is
100 bits.)