Communicator Web Access Port Requirements (2007 R2 Beta)
[This is preliminary documentation and is subject to change. Blank topics are included as placeholders.]
This topic describes the ports used by the 2007 R2 release of Communicator Web Access.
During the deployment process, when you create a virtual server, you will be required to specify the port that Communicator Web Access will use to listen for SIP messages. Ensure that the port you specify is not already in use.
By default, Communicator Web Access uses the following ports.
Table 1. Communicator Web Access ports
| Port Number | Protocol | Description |
|---|---|---|
80 |
TCP |
Incoming HTTP connections from clients, if port 443 is not configured for HTTPS connections |
443 |
TLS |
Incoming HTTPS (HTTP over TLS or SSL) connections from clients |
3268 |
TCP |
Outgoing connections to LDAP on the global catalog server |
389 |
TCP |
Outgoing connections to LDAP on the domain controller |
5061 |
MTLS |
Outgoing connections to the Office Communications Server 2007 R2 server or pool |
88 |
TCP UDP |
Kerberos |
137 |
TCP UDP |
NetBios Name Service |
138 |
TCP UDP |
NetBios Datagram Service |
139 |
TCP UDP |
NetBios Session Service |