'punching nameserver'

[Bill Nottingham]

Josep Puigdemont (baldrick at terra.es) said: 
> from the initscripts module, there's a hard to translate string (for
> me):
> 
> #: /etc/sysconfig/network-scripts/ifup-post:83
> msgid "punching nameserver $nameserver through the firewall"
> msgstr ""
> 
> The problem is the meaning of "punch (to)" in this sentence, any hints?

Hm, the idiom is usually either 'punch a hole in the firewall' or
'poke a hole in the firewall'.

It means to allow packets from that nameserver through the firewall.

Bill