To allow communication with the Notification Server computer for remediation, the following ports stay open on the target computer when network filtering is active.
Table: Ports kept open when network filtering is active
Port name and description
DHCP boot protocol server
DHCP boot protocol client
Notification Server port
NETBIOS Name Service
Secure LDAP port
Notification Server Tickle port
* Depends on Notification Server configuration
See Modifying the list of open network filtering ports.
See Blocking network traffic from and to the computer .
See Filtering the network traffic on multiple computers .
Subscribing will provide email updates when this Article is updated. Login is required to Subscribe
Thanks for your feedback. Let us know if you have additional comments below. (requires login)
This will clear the history and restart the chat.