on the desktop iptables --table filter --list | grep mdns ACCEPT udp -- anywhere 224.0.0.251 udp dpt:mdns ctstate NEW ACCEPT udp -- anywhere 224.0.0.251 udp dpt:mdns ctstate NEW
on the laptop: [root@Fujiantonio antonio]# iptables --table filter --list | grep mdns ACCEPT udp -- anywhere 224.0.0.251 udp dpt:mdns ctstate NEW why do I have two lines instead of one??? 2015-10-28 18:07 GMT+01:00 Antonio M <antonio.montagn...@gmail.com>: > tbx to all... iptables -L -n -v > > see attached file > > 2015-10-28 18:00 GMT+01:00 Gordon Messmer <gordon.mess...@gmail.com>: > >> On 10/28/2015 09:24 AM, Rick Stevens wrote: >> >>> You have a DNS resolution issue. >>> >> >> It's probably an mDNS issue, and replies should normally be allowed by >> the default "accept RELATED,ESTABLISHED" rule. >> >> It might be helpful to see the output of "iptables -L -n -v". >> >> With the firewall enabled, as root, >>> try: >>> # iptables -L -n | grep :53 >>> and make sure you see lines like: >>> ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:53 >>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:53 >>> >> >> You'll normally only see those lines when you're running virtualization, >> or a DNS server. They aren't necessary for mDNS, which uses a different >> port entirely. >> >> I suspect that you see them because you're running libvirt. If you use >> "iptables -v", you would see that those rules only affect packets on the >> virbr0 interface. They're not related to your non-virtualized applications >> (or to mDNS in any case). >> >> Also make sure avahi-daemon and dnsmasq are running. >>> >> >> If mDNS is working when the firewall is down, we can assume that >> avahi-daemon is running. dnsmasq is not required for mDNS. >> >> >> -- >> users mailing list >> users@lists.fedoraproject.org >> To unsubscribe or change subscription options: >> https://admin.fedoraproject.org/mailman/listinfo/users >> Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct >> Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines >> Have a question? Ask away: http://ask.fedoraproject.org >> > > > > -- > Antonio Montagnani > Skype : amontag52 > > Linux Fedora 22 (Twenty-two) > inviato da Gmail > -- Antonio Montagnani Skype : amontag52 Linux Fedora 22 (Twenty-two) inviato da Gmail
-- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
