Saturday, 1 August 2020

Windows 10 firewall blocking finding Add Printer or Scanner.


No printers found when clicking "Add Printer or Scanner". 
Try disable Windows 10 firewall, is it found? if yes and you want to keep firewall on then create these rules:

1. Open windows firewall.
2. create two rules (UDP and TCP)
3. Program %SystemRoot%\System32\dasHost.exe
4. Allow

TCP rule
enable following ports:
80, (to find brother printer)
3911 (to find HP printer)
Other ports you may need for your printer: 5357, 631
Remote IP's 
192.168.1.0/24 (local subnet)
(you could lock this to your printer IP instead)


UDP rule
3702 (to find brother and HP)
Other ports you may need for your printer:
3289, 10004, 22222, 
Scope:
Remote IP
239.255.255.250 (UPNP, device discovery)
Other IP's you may need for your printer:
255.255.255.255
192.168.1.0/24 (local subnet)