I have tried another firewall, (now uninstalled) which made reception of PC to PC SKYPE calls very poor.
The rules configuration needed was very complicated.
My question is this - Are there a set of rules which may easily be applied to COMODO,?
This was part of the advice received from SKYPE:-
“Please, make sure your firewall/router is not blocking Skype in any way. Try opening UDP traffic both ways to both ports found in Skype’s top menu: Tools > Options > “Connection” window; tick the option to use the ports 80 & 443”
Looking on other forums it seems that SKPE requires a very large number of open ports for best quality. Is this so and is it safe?