Re: netfilter/iptables and network interface names

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Jan Engelhardt wrote:
>> The kernel also forbids ".".
> 
> My first thought was the same, but:
> 
> a) Interestingly, it does not prohibit '.'
> 
> 	ip tunnel add foo0.3 mode sit local 1.2.3.4 remote 5.6.7.8
> 
> b) The '.' is to be seen as valid as far as xtables.c goes, so
>    as to match VLAN interfaces.

Ah of course, its only invalid at the beginning of the name.
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