[Cialug] Firewalld & VMs

L. V. Lammert lvl at omnitec.net
Wed May 22 20:59:07 UTC 2024


Have two Linux Xen hosts:

	Host 1
		Linux VM 1
		Linux VM 2
		Linux Vm 3

Everything works file.

	Host 2
		Win10 VM 1
		Win10 VM 2

VMs can ping out, but DNS just does not work at all!

The only difference is that Host 1 is only a host, Host 2 also services
Samba/CIFS. Comparing the firewalld configuration [in the manager UI,
Yast], shows ONLY ssh port open on Host 1, but all normal ports open on
Host 2 (dns, mdns, samba, samba-client, ssh).

Does Win10 require something wonky to use a DNS server that firewalld
might be blocking? Turing OFF firewalld allows the VMs on Host 2 to work
normally, ..

	TIA!!


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