Re: Configuring Diald on gateway

[http://dummy.us.eu.org/robert (robert)]

 > From: Qi Xie <http://www.yahoo.com/~zoqix>
 > Date: Sat, 4 Nov 2000 07:56:21 -0800 (PST)
 >
 > >Did you feed in the .reg file that I sent?
 > 
 > The .reg file is for windows isn't it?  The other box
 > (client) is also
 > linux.

Yes.  Sorry.  I didn't realize that you were using Linux on your other box.

 > 
 > How do I resolve that then? (my client tried to get a
 > dhcp lease or ftp
 > using ip address to my server, my server activate the
 > link)

OK, then probably something else is wrong.

1) Is your Linux host trying to do a reverse-lookups?  The way to see this
   is to run "tcpdump" and look for both TCP & UDP traffic with port 53.

2) Are you running IP masquerading?
 > 
 > Later, if I intend to add in local dns, won't that be
 > even more problematic?

I run dnrd, Domain Name Relay Daemon, and it works like a charm.  (It's
not a real DNS server, 'though.)

 > -----Original Message-----
 > From: robert <http://dummy.us.eu.org/robert>
 > To: zoqix <http://www.yahoo.com/~zoqix>
 > Date: Friday, November 03, 2000 10:34 PM
 > Subject: Re: Configuring Diald on gateway
 > 
 > > > From: "zoqix" <http://www.yahoo.com/~zoqix>
 > > > Date: Fri, 3 Nov 2000 07:40:35 +0800
 > > >
 > > > Hi Robert,
 > > >
 > > > I know what went wrong now. Becos I cut and paste
 > your standard filter
 > from
 > > > WinWord and therefore it end up as an invalid file
 > for Linux.
 > > > I've solved that and tried out your
 > standard.filter on my system.
 > However,
 > > > there's still the same problem. When my client
 > tried to get a dhcp lease
 > or
 > > > ftp to my server, my server activate the link.
 > > >
 > > > Even if I do a "ftp 192.168.5.1" from my client
 > (192.168.5.2). Has it
 > got
 > > > something to do with dns lookups?
 > >
 > >I suspect so.
 > >
 > > > But I'm using ip addr here, not name.
 > >
 > >It doesn't matter.
 > >
 > > > How
 > > > do I resolve that?
 > >
 > >Did you feed in the .reg file that I sent?
 > >
 > > >
 > > > And what if later I want to use something like
 > "ftp pc1" (pc1 is the
 > > > server), do I have to edit the filter to take into
 > account dns lookup at
 > > > local network?
 > >
 > >No.  It shouldn't matter.
 > >
 > > >
 > > > May I know what is the meaning of the following
 > statements?
 > > >
 > > > ignore udp
 > udp.dest=udp.domain,udp.source=udp.domain
 > > > accept udp 90 udp.dest=udp.domain
 > > > ignore udp udp.source=udp.domain
 > >
 > >This says to bring up the line for a DNS lookup,
 > unless either both the
 > >source is a domain lookup (i.e., a zone transfer is
 > happening, although
 > >most zone transfers happens via TCP, not UDP).
 > >
 > > >
 > > > ----- Original Message -----
 > > > From: "robert" <http://dummy.us.eu.org/robert>
 > > > To: "zoqix" <http://www.yahoo.com/~zoqix>
 > > > Sent: Thursday, November 02, 2000 10:53 PM
 > > > Subject: Re: Configuring Diald on gateway
 > > >
 > > > > > From: "zoqix" <http://www.yahoo.com/~zoqix>
 > > > >  > Date: Thu, 2 Nov 2000 07:29:38 +0800
 > > > >  >
 > > > >  > Hi Robert,
 > > > >  >
 > > > >  > I noticed your "Yes, But..." answers to some
 > of my qns. May I know
 > > > "But"
 > > > >  > what?
 > > > >  > Thanks.
 > > > >
 > > > > But...that the problem is probably your DNS
 > lookups, not the standard
 > > > > diald set-up.
 > > > >
 > > > >  > From: "zoqix" <http://www.yahoo.com/~zoqix>
 > > > >  > Date: Thu, 2 Nov 2000 16:28:40 +0800
 > > > >  >
 > > > >  > Hi,
 > > > >  >
 > > > >  > I've tried using your standard.filter and it
 > works fine without
 > > > bringing up
 > > > >  > the link for my intranet communication.
 > > > >  > However, when I tried to access external
 > network like typing
 > > > www.redhat.com
 > > > >  > at my web browser, the link doesn't come up
 > too.
 > > > >  > How do I resolve this?
 > > > >
 > > > > That's odd.  Are you using IP masquerading?