[mythtv-users] hdhomerun channel scan failing

[Kristo Kriechbaum]

On 3/21/2015 8:12 AM, Gary Buhrmaster wrote:
> On Fri, Mar 20, 2015 at 10:39 PM, Kristo Kriechbaum <klk at kajisti.org> wrote:
> ....
>> This may or may not be related - 'hdhomerun_conifg discover' fails, but I
>> can put in the IP address and it will work. Running the hdhomerun_config_gui
>> from a windows machine auto discovers it just fine.
>
> Windows has a particular configuration advantage here
> in that applications can install firewall rules for their
> use (with many variants, including the ability that a
> rule only applies to a specific program, and that the
> rule only applies to the local lan (not internet)).  There
> is no equivalent (generic, across all platform) standard
> API for Linux, so there is no automated process at
> install for firewall rules, and the user is responsible
> for all configuration.
>
>> The OS is Fedora 21. I am fairly certain I disabled the firewall. I went so
>> far as to completely uninstall firewalld. There are no processes with the
>> name "firewall" or "iptables" in it.
>
> Well, there never should be a process with the name
> iptables in it.  The filters are in the kernel tables.
>
> As you say, the most common reason discover does
> not work is that one or more network protections are in
> place. To determine if you actually have any filters installed
> try, as root:
>
>     /usr/sbin/iptables --list
>
> It should show the INPUT, OUTPUT, and FORWARD
> chains as Policy ACCEPT, and no other rules displayed.
> If it shows anything else, you still have firewall rules
> in place.

Turns out this was all fixed after a reboot.  I must have had an old 
rule still doing something.

Thanks for the help!