On Fri, Jul 27, 2018 at 12:22:40AM +0200, Phil Sutter wrote:
> Reverse IP address lookups may take a long time, something that's not
> expected from {ip,ip6,eb,arp}tables-save. Moreover, due to lack of an
> appropriate commandline option, it is not even avoidable for users.
>
> Setting FMT_NUMERIC by default comes with a drawback, though: Things
> which may be represented by human-readable name without introducing any
> significant delay (such as e.g. opcode in arptables output) will be
> printed by numeric value as well. Sadly, trying to fix this by
> introducing a FMT_NORESOLVE bit turns things into a mess since e.g.
> 'print' callback of struct xtables_match receives only the numeric flag
> via parameter, not a full format variable.
-save doesn't print names / it doesn't do reverse IP address lookups.
What am I missing here?
Thanks.
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