Jeff Gregor wrote:

> I want to redirect clients on my local network to the local time server, 
> so that they aren't making calls out to a public server on the internet 
> (it's a satellite link, bandwidth is a real problem and every little bit 
> I can save helps...)
> My firewall box has three interfaces:
>     eth0 (WAN/Internet) -- connected to satellite modem
>     eth1 (LAN, my office clients) -- IP 192.168.1.1, serves clients on 
> 192.168.1.0/24
>     eth2 (PUB, public clients) -- IP 192.168.2.1, serves clients on 
> 192.168.2.0/24
> NTP is running on the firewall, listening on eth1 and eth2.
> What I want to do is each time a client on LAN or PUB tries to connect 
> to an external time server, I want to redirect it back to the 
> appropriate interface (ie, 192.168.1.1 or 192.168.2.1).

I agree with Christ Sclacta -- just use NTP/REDIRECT.

> 
> In MASQ:
> --------------------------------------------------------------------
> #INTERFACE              SOURCE          ADDRESS         PROTO   PORT(S) 
> IPSEC   MARK
> eth0                    eth1
> eth0                    eth2
> eth1                   192.168.1.0/24!192.168.1.1      udp     123
> eth2                   192.168.2.0/24!192.168.2.1      udp     123

The last two entries are totally invalid and are the cause of your
problem (Hint -- you omitted the ADDRESS column).

> --------------------------------------------------------------------
> 
> And in RULES:

> 
> "shorewall check" reports no errors.

When using Shorewall-shell, the "check" command is nearly worthless.
That is one of the reasons (among many) that I wrote Shorewall-perl and
why I urge you to migrate to Shorewall-perl at your first opportunity.

-Tom
-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________

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