Hi Samuel, On Tue, 2020-10-27 at 01:58 -0700, Samuel Sieb wrote: > On 10/26/20 7:44 AM, Michael J. Baars wrote: > > I'm writing a client and server program for cluster computation. I noticed that nmap sees a specific port as open on Fedora Server and as filtered on Fedora > > Workstation when the server is running and sees this port as closed on Fedora Server and as filtered on Fedora Workstation when the server is not running. > > You don't say which port, so it makes it impossible to give you useful > advice. The exact ports are of no importance :) > > > While looking into the firewalld configuration I found that Fedora Workstation and Fedora Server have one major difference their configuration files: > > > > <port protocol="udp" port="1025-65535"/> > > <port protocol="tcp" port="1025-65535"/> > > You don't say what the difference is. Which one has that and where? These are Fedora Workstation configuration settings. > > > After removing these specific lines from /etc/firewalld/zones/FedoraWorkstation.xml, using firewall-cmd, the ports are still accessible by the client and > > server > > program. > > Since you say "still", I assume you mean on the Server. You modified > the workstation config file, why would it change anything? > > > Can someone please tell me how to close these ports on Fedora Workstation? And why does nmap report the ports as filtered on Fedora Workstation and as > > open/close on Fedora Server? > > What do you mean by closed? The reason they show up as filtered is > because they are blocked on Workstation and not on Server. I might indeed have accidentally mixed the two up. Everythings works just fine now, don't exactly know why though, perhaps a malfunctioning 'systemctl restart firewalld'? Strange, I almost know for sure that it was the Workstation ports that were reported as filtered. > _______________________________________________ > users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
