[lug] fc and iptables

[Collins Richey]

On 9/18/06, D. Stimits <stimits at comcast.net> wrote:
> This is an offshoot of trying to get DHCP to work on a backup
> machine...have not yet been able to try some of the other things,
> although I was able to install outside drivers to at least make the
> realtek ethernet show up.
>
> I'm wondering about the notation in fedora/redhat style
> /etc/sysconfig/iptables file. There is an abbreviation by which it
> abstracts naming of inputs. For example:
> :INPUT ACCEPT [0:0]
> :FORWARD ACCEPT [0:0]
> :OUTPUT ACCEPT [0:0]
> :LOOP-INPUT - [0:0]
>
> I'm interested in the "[0:0]" notation. If I have more than 1 NIC, or
> aliases of a NIC, can I use this to differentiate between them? If so,
> would 0:0 stand for the main non-alias interface of the first NIC? Would
> 1:0 stand for the main non-aliased interface of the 2nd NIC? Or would
> 0:1 stand for the first aliased interface of the first NIC? I can see
> quite a potential for customizing based on this, if there is that much
> fine control over it. For the moment I'm just interested in making sure
> DHCP is allowed on one NIC but not another...or on one IP alias of a NIC
> and not the other aliased IP.
>

I don't have the details, but I believe the bracketed numbers are some
sort of operation counts and have nothing to do with the NIC card.


-- 
Collins Richey
     If you fill your heart with regrets of yesterday and the worries
     of tomorrow, you have no today to be thankful for.