Bitdefender GravityZone InstallationGuide
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2.3. <strong>GravityZone</strong> Communication Ports<br />
The following table provides information on the ports used by the <strong>GravityZone</strong><br />
components:<br />
Port<br />
Usage<br />
80 (HTTP) / 443 (HTTPS) Port used to access the Control Center web console.<br />
HTTP(s) 80 / 443<br />
80<br />
8443 (HTTPS)<br />
7074 (HTTP)<br />
7081 / 7083 (SSL)<br />
53 (UDP)<br />
<strong>Bitdefender</strong> Cloud Antispam Detection Service<br />
Update Server port.<br />
Port used by client/agent software to connect to the<br />
Communication Server.<br />
Ports used by the endpoint agent to connect to Security<br />
Server.<br />
Port used for Realtime Blackhole List (RBLs)<br />
* Since the relay is an update server that needs to listen all the time on a port,<br />
<strong>Bitdefender</strong> provides a mechanism able to automatically open a random port on<br />
localhost (127.0.0.1), so that the update server can receive proper configuration<br />
details. This mechanism applies when the default port 7074 is used by another<br />
application. In this case, the update server tries to open the 7075 port to listen on<br />
localhost. If 7075 port is also unavailable, the update server will search for another<br />
port that is free (in range of 1025 to 65535) and successfully bind to listen on<br />
localhost.<br />
For detailed information regarding <strong>GravityZone</strong> ports, refer to this KB article.<br />
Installation Requirements 18