File sharing over wifi

Hi every one.
i have a problem using File sharing.
i have an Android phone.When my comodo Firewall is off i can see my shared file and folder’s in my phone “Using WIFI and a file manager”
But when i turn on my firewall then i cant see my PC and shared Folders.
PLZ help me.Which option must be change?
Thanks a Lot.

Hi Again.
I Solve Own Problem!
i search “Share” in this Forum.
i created a rule For System and svchost.exe in Firewall>Network Security Policy > Application Rules Tab > and Right click on System “and svchost.exe” and click on “add rule”
thanks every One.
Mahdi mahdavi
Islamic Republic Of Iran