diff --git a/Networking/Sophos/IPSec Site-to-Site VPN Tunnel.md b/Networking/Sophos/IPSec Site-to-Site VPN Tunnel.md index d87e62a..b4a12c1 100644 --- a/Networking/Sophos/IPSec Site-to-Site VPN Tunnel.md +++ b/Networking/Sophos/IPSec Site-to-Site VPN Tunnel.md @@ -3,6 +3,27 @@ !!! info "Assumptions" This documentation only provides instruction for Sophos XGS based devices. It does not account for third-party vendors or other manufactured hardware. If you need to set up a mixed VPN tunnel with a different brand of networking device, you need to do your best to match the settings on the tunnels manually. (e.g. Encryption Type, Phase Lifetimes, etc). +## Architecture + +!!! tip "Best Practices - Initiators / Responders" + If you have a hub-and-spoke network, where one location acts as a central authority (e.g. domain controllers, auth servers, identity providers, headquarters, etc), you will set up the central "hub" as a VPN responder on its side of the VPN tunnel, and all the remote "spoke" locations would behave as VPN initiators. + +``` mermaid +graph TB + Responder((Responder)) + Initiator1((Initiator (Remote Site))) + Initiator2((Initiator (Remote Site))) + Initiator3((Initiator (Remote Site))) + Initiator4((Initiator (Remote Site))) + Initiator5((Initiator (Remote Site))) + + Responder --> Initiator1 + Responder --> Initiator2 + Responder --> Initiator3 + Responder --> Initiator4 + Responder --> Initiator5 +``` + ## Login to the Firewall You will need to access the firewall either directly on the local network at `https://:4444` or remotely in Sophos Central. @@ -36,25 +57,6 @@ Navigate to "**Configure > Site-to-Site VPN > Add**" | Local Subnet | `` | | Remote Subnet | `` | -!!! tip "Best Practices - Initiators / Responders" - If you have a hub-and-spoke network, where one location acts as a central authority (e.g. domain controllers, auth servers, identity providers, headquarters, etc), you will set up the central "hub" as a VPN responder on its side of the VPN tunnel, and all the remote "spoke" locations would behave as VPN initiators. - - ``` mermaid - graph TB - Responder((Responder)) - Initiator1((Initiator (Remote Site))) - Initiator2((Initiator (Remote Site))) - Initiator3((Initiator (Remote Site))) - Initiator4((Initiator (Remote Site))) - Initiator5((Initiator (Remote Site))) - - Responder --> Initiator1 - Responder --> Initiator2 - Responder --> Initiator3 - Responder --> Initiator4 - Responder --> Initiator5 - ``` - !!! note "Tunnel IDs / Subnets" If one side of the tunnel indicates a Local ID, you need to input that as the Remote ID on the other end of the tunnel. While Tunnel IDs are generally optional, if one side uses them, both need to.