Ports and URLs Used by Virtual Network Sensor

Use these settings to configure your firewall and connected products.

In order for Virtual Network Sensor to send data to Network Inventory, configure your product with the ports and URLs listed below.

To configure firewall exceptions, see Firewall Exceptions for Virtual Network Sensor.

Table 1. Listening Ports
Port Purpose

22

CLISH console connection, log (if the Virtual Network Sensor is registered in SSH)

68

DHCP server responses

80

Debug log export

Table 2. Outbound Ports
Port Purpose

53

DNS resolution

67

Requests to DHCP server if IP addresses are assigned dynamically

123

Connection to NTP server for time synchronization (default NTP server: pool.ntp.org)

137

IP address to host name resolution through NetBIOS

443

Smart Protection Network anonymous threat information sharing