Internal Outgoing Connections
| From | To | Protocol | Port |
|---|---|---|---|
|
AtMail Webmail Cluster Node (WM) – BackNet NIC |
Shared Storage Server (LINMAILNFS) – BackNet NIC |
TCP, UDP |
Important: We do not recommend that you configure a firewall between the Shared Storage Server and AtMail Webmail Servers when NFS version 3 is used. |
|
AtMail Webmail Server or AtMail Webmail Cluster Node (WM) – BackNet NIC |
AtMail Webmail Database Server – BackNet NIC |
TCP |
3306 |
| CloudBlue Commerce Management Node on Linux (LINMN) – BackNet NIC |
TCP |
8352-8500 (except 8440), 80, 16384 – for CloudBlue Commerce Management Node on Linux (LINMN) | |
|
AtMail Webmail Server or AtMail Webmail Cluster Node (WM) – BackNet NIC or FrontNet NIC |
DNS Resolver Server – BackNet NIC or FrontNet NIC |
TCP, UDP |
53 |
| External Native Repositories (YUM repositories) – BackNet NIC or FrontNet NIC | TCP |
Custom port range Note: The destination hosts and ports may vary depending on YUM repositories. |
|
|
AtMail Webmail Server or AtMail Webmail Cluster Node (WM) – 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, 110, 143, 993, 995 |
Internal Incoming Connections
| From | To | Protocol | Port |
|---|---|---|---|
|
CloudBlue Commerce Management Node on Linux (LINMN) – BackNet NIC |
AtMail Webmail Server or AtMail Webmail Cluster Node (WM) – BackNet NIC |
TCP |
8352-8500 (except 8440) |
| TCP | 22 (SSH) | ||
|
Shared Storage Server (LINMAILNFS) – BackNet NIC |
AtMail Webmail Cluster Node (WM) – BackNet NIC |
TCP, UDP |
Important: We do not recommend that you configure a firewall between the Shared Storage Server and AtMail Webmail Servers when NFS version 3 is used. |
|
CloudBlue Commerce Branding Server on Linux (WSNG/HEWSL) – FrontNet NIC |
AtMail Webmail Cluster Node (WM) – FrontNet NIC (through AtMail Webmail Cluster Load Balancer connected to FrontNet Network) – OR – AtMail Webmail Server (WM) – FrontNet NIC |
TCP |
443 |
External Incoming Connections
| From | To | Protocol | Port |
|---|---|---|---|
|
PublicNet Network |
AtMail Webmail Cluster Node (WM) – FrontNet NIC (through AtMail Webmail Cluster Load Balancer connected to FrontNet Network) – OR – AtMail Webmail Server (WM) – FrontNet NIC |
TCP |
443 |