Design proposal for a better ACL language

Gary E. Miller gem at rellim.com
Tue Jun 14 18:46:09 UTC 2016


Yo Achim!

On Tue, 14 Jun 2016 20:39:35 +0200
Achim Gratz <Stromeko at nexgo.de> wrote:

> Daniel Franke writes:
> >> Are there other good ACL languages that we can steal the spec or
> >> implementation from  
> >
> > Most of the features we want to match on (basically everything
> > except IP/port) are NTP-specific, so not directly. But a lot of my
> > design was inspired by iptables.  
> 
> Sorry for the sidetracking, but while you mention iptables: if we can
> presume the existence of a packet filter in the OS, would it perhaps
> make sense to not implement that part of the filtering in ntpd and
> leave it to that filter?

I would use iptables, but iptables are a large burden on an embedded
system.  I certainly do not want to have to manage iptables on my
old RasPi B.  Or any of my RasPi's.

My head would hurt if I had to write an iptables rule that would allow
remote requests, but not remote peering.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588
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