Re: Solaris 10 - routing problems?

From: James Carlson (james.d.carlson_at_sun.com)
Date: 11/03/05 

Date: 03 Nov 2005 11:22:08 -0500

"Marianne Spiller" <spillerm@inbox.ru> writes:
> > That'd be /etc/ipf/ipnet.conf. (If it's named "nat.conf", it won't work.)
> For startup at boot time it should be /etc/ipf/ipnat.conf; but for
> manual startup it's unimportant IIRC.

Right.

> List of active sessions is empty, then.
> List of active mappings is empty too.

That sounds like a bug. Are you able to file one either via a local
representative or through bugs.opensolaris.org? If not, let me know
and I'll file one for you.

> Both config get me the same errors, and I am very confused: errors like
> "172.18.0.2 -> redirector.heise.de ICMP Echo request (ID: 1223 Sequence
> number: 18)" , "Internet AAAA ?" or "Internet PTR ?".

Those don't look like error messages. The first message looks like
someone trying to send packets to an Internet address using a private
address. That's a usage error (need NAT), but not an error message.

The others look like DNS resolution attempts. If you're running a
NAT, you may well want to run a caching DNS server (BIND) with entries
configured for your local address space so that you don't send queries
out on the net for your internal addresses.

> I now, these are DNS specific messages, but now I have no idea what to
> try next. ipf.conf is empty, there is no traffic blocking at all. My
> first steps on Solaris seem painful.

Sorry about that. My first guess would be that there's an ipnat bug
here that should be reported.

A simple work-around would be to use an external "router" (actually,
NAT) box. 

-- 
James Carlson, KISS Network                    <james.d.carlson@sun.com>
Sun Microsystems / 1 Network Drive         71.232W   Vox +1 781 442 2084
MS UBUR02-212 / Burlington MA 01803-2757   42.496N   Fax +1 781 442 1677

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