Re: Problem seeing network scanner thru firewall

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On 01/10/2014 11:16 PM, Sherman Grunewagen wrote:
> In the output of `iptables -L',  I see several lines that look like
> 
>        ACCEPT     udp  --  anywhere             224.0.0.251             udp dpt:mdns ctstate NEW

Hi Sherman,

I have no experience with this particular protocol (mdns) but I know a
bit about firewalld.  The reason you're seeing this output from iptables
is that, perhaps, some other zone (other than your default) is allowing
mdns.  A zone is really a predefined set of rules.  By just looking at
your output (without the chain name) we can't tell that much.

We need to find out which particular zone you're on and whether it has
the mdns service configured.  Please post the output of (you need to run
it as root):

firewall-cmd --list-all

Regards,
Jorge
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