Internal Outgoing Connections
| From | To | Protocol |
Port |
|---|---|---|---|
|
Open-Xchange Server (OXSH) – BackNet NIC or FrontNet NIC |
DNS Resolver Server – BackNet NIC or FrontNet NIC |
TCP, UDP |
53 |
|
Open-Xchange Server (OXSH) – FrontNet NIC |
qmail Cluster Node (LINMAILCLN01, LINMAILCLN02) – BackNet NIC (through qmail Cluster Load Balancer connected to BackNet and FrontNet Networks) – OR – qmail Server (LINMAILSH) – FrontNet NIC |
TCP |
25, 143, 2000 |
Internal Incoming Connections
| From | To | Protocol | Port |
|---|---|---|---|
|
Provisioning Gateway Host on Linux (LINPGH) – BackNet NIC |
Open-Xchange Server (OXSH) – BackNet NIC |
TCP |
80 |
External Incoming Connections
| From | To | Protocol | Port |
|---|---|---|---|
|
PublicNet Network |
Open-Xchange Server (OXSH) – FrontNet NIC |
TCP |
80, 443 |