| Product Documentation
ExSign
Firewall Ports You will Need Open
ExSign's components: the ExSign Web Portal, ExSign Transport Agent, ExSign Database, and Active Directory need to talk to each other over your network. Use this page to open the right ports before you install.
What to Open
Users to Web Portal
Admins need to reach the Portal to view or manage signature rules.
| Port | Protocol | Direction |
| 443 | HTTPS | Inbound to the Web Portal server. |
Web Portal to Transport Agent (on Each Mailbox Server)
The Portal and Agent exchange signature rules and status over this connection; it needs to work in both directions.
| Port | Protocol | Direction |
| 8776 | API Hub | Bi-directional, between Portal and every Agent server. |
Web Portal to SQL Server
The Portal reads and writes signature rules and settings to your ExSign Database.
| Port | Protocol | Direction |
| 1433 | MSSQL | Inbound to SQL Server, from Portal. |
Web Portal to Active Directory (Portal's Authentication AD)
The Portal authenticates admins through this Active Directory.
| Port | Protocol | Direction |
| 389 / 636 | LDAP / LDAPS | Bi-directional, between Portal and AD. |
| 3268 / 3269 |
Global Catalog | Bi-directional, between Portal and AD |
Transport Agent to Exchange Active Directory
Each Agent, running on a Mailbox Server, looks up recipients and rules against the Exchange organization's AD.
| Port | Protocol | Direction |
| 389 / 636 | LDAP / LDAPS | Bi-directional, between Agent server and Exchange AD. |