Changing Source IP Address using NAT Policy on Sonicwall

Posted on by Jordansphere

I wanted to test a service where an internal IP address behind a Sonicwall used a different public IP address when connecting to a particular remote POP3 server. The following screenshot shows how this can applied

jordansphere-src-nat2

 

Jordansphere-PrivateIP = 192.168.5.40

Alt-External-IP = spare public IP address that was allocated to my connection via ISP

mail.jordansphere.co.uk = REMOTE IP address of server