Erich Zigler wrote:
> I have built a Linux firewall, all is working properly, with diald and
> ipchains. The only thing is once I hook a Windows 95/98/NT box to the
> network it will dial up intermitently making NS requests. So on the Linux
> firewall I setup a cache only nameserver, and set all the boxes to use it
> as its only NS. But I am still getting nslookup requests from somewhere
> that keeps bringing the link up. My other thought is to setup an extensive
> hosts file on all the machines, so it would not try to do lookups when
> accessing the network. By the way this is 0.16-a2 version of diald.
>
There is a thread running in this list entitled: Every 15 Minutes. The
following message appeared today:
On Wed, 7 Jul 1999, Gary S. Mackay wrote:
> I'm having a similar problem. Using tcpdump, I can see that the Win98 machine
> is sending out a request to Uncle Bill's site at windowsupdate.microsoft.com
> every so often. I have yet to figure out how to shut it off tho. Anyone? What
> is really wierd is that only one of my three Win98 boxes are doing it.
Richard wrote:
Find and remove 'critical update notification' from that particular W98
box.
I have no idea where it hides but ISTR being able to remove it from the
add/remove programs thingy (where ever that may live?).
Also from that thread, I posted the following:
It sounds like windows, are you using IP Masquerading? From what I have seen
windows periodically does a DNS lookup of workgroup.your.domain.
Try turning off the 'browse master' option on your windows machines.
Network Properties->File and Printer Sharing for Microsoft
Networks->Properties->Browse Master->disabled.
I have 95 and 98 loaded on PCs behind a linux Masquerading firewall and have not
seen the problem (browse master is turned off). If I remember correctly
somewhere during the 98 install I said no to automatic updates.
Regards,
Bob Chiodini
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