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Which ports are used by Lansweeper


Service and website to SQL server
Port: 1433/TCP
INF: TCP Ports Needed for Communication to SQL Server Through a Firewall

Clients to Service (if lsclient or lstrigger is used)
Port: 9524/TCP

(this port must be open on the firewall of the lansweeper scanning server)

Service to clients
1) Port: 135/TCP (DCOM to Establish initial session for WMI)
2) Random ports (WMI Data)
Connecting to WMI on a remote computer (MSDN)
Setting up a fixed port for WMI (MSDN)

Service to active directory domain controllers (if active scanning is used)
Port: 389/TCP (LDAP port)

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