Chris Adams (cmadams@xxxxxxxxxx) said: > > a) binds to a local unprivileged UDP port > > b) sends a broadcast SNMP request > > c) listens for (unicast) responses to that request > > > > We don't hear any of those responses because they are not recognised as > > "related" by the kernel. The iptables rules drop them. > > > > If the CUPS snmp backend could say to "the firewall", "hey, please allow > > responses on this port I've got for the next few seconds" -- which can > > be controlled using PolicyKit -- then this network discovery would > > finally work. > > Congrats, you have re-invented UPnP, although a local-only version > maybe (not that I think that is necessarily a bad thing). I could be wrong, but I'd guess that any SNMP implementation probably predates UPnP by a good bit. Bill -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel