I am running a program that gets blocked by sys-firewall. I switched my qube to connect to sys-net and was able to run it just fine so I determined I need to open a port in my sys-firewall for it to function while still using sys-firewall as netVM.
How can I open ports in sys-firewall?
Have you tried modifying the iptables?
Run in Terminal—> sudo iptables -L
You can achieve that by going to the settings of the firewall qube.
You should read the firewall documentation
Understanding firewalling in Qubes Every qube in Qubes is connected to the network via a FirewallVM, which is used to enforce network-level policies. By default there is one default FirewallVM, but the user is free to create more, if needed. For more...
You have not said if the program needs open ports inbound or outbound.
By default qubes are allowed full access outbound,and no ports are open
for inbound traffic.
There should be no difference between attaching to sys-net and
What is the program?
What ports do you need open ,inbound and outbound?
documentation is full.
I never presume to speak for the Qubes team.
When I comment in the Forum or in the mailing lists I speak for myself.