Re: NIS 2005 prevents net use w: ...
From: Paul Kraemer (PaulKraemer_at_discussions.microsoft.com)
Date: 10/20/04
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- In reply to: Max Ashton: "Re: NIS 2005 prevents net use w: ..."
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Date: Wed, 20 Oct 2004 08:33:05 -0700
Hi Max,
I permitted SMB in my trusted zone. That took care of all the blocked "File
Sharing" and "SMB" messages I was seeing in the firewall log file, but my
startup .bat command...
net use w: \\MyServer\MyShare /user:MyServer\netuser password /persistent:no
...still would not work when I had Norton's personal firewall enabled. This
command would just hang. I wouldn't get an error message, but the drive
letter would not be mapped. Anytime that this happened, I was not able to
turn off or restart my PC without forcing it with the power button (I've
never had this problem on this pc before).
Anyway, by trial and error, I learned that I could make my net use command
work by creating a rule to permit outbound UDP traffic to remote domain (port
53). By logging the action on this rule, I can see that my net use command
causes the services.exe process on my pc (local address, service
192.168.1.66, 0) to send an outbound udp packet to my DNS server (remote
address, service 192.168.1.2, domain(53)).
What's strange is this - My pc has two network cards so that I can be on two
different subnets. The first subnet is my own LAN on which I have assigned
static IP addresses in the range 192.168.3.x. My PC is on this LAN and so is
the \\MyServer pc that I am trying to connect to with the 'net use' command.
The second subnet uses the address range 192.168.1.x. The network card I
have on this subnet is automatically assigned an IP address (192.168.1.66)
and a DNS server (192.168.1.2). This subnet gives me my internet connection.
I have not knowingly done anything to bridge these two network cards.
My question is, if my net use command only connects me to another
192.168.3.x computer on my LAN, why is the 192.168.1.x network card on my pc
even involved in this operation? Why does it try to access my 192.168.1.2
DNS server? Unless I'm missing something, this DNS server can't possibly
even be aware of my 192.168.3.x subnet.
If you or anyone else could clear some of this up for me, I'd really
appreciate it.
Thanks,
Paul
"Max Ashton" wrote:
> Paul Kraemer wrote:
>
> >
>
> Those messages indicate NIS is blocking SMB, Server Message Blocks,
> which is what windows uses to share files.
>
> If you stop it from blocking this in your trusted zone, or even
> to allow outgoing connections to your file-server, you should be fine.
>
> :)
>
> Max
>
- Previous message: Me: "Re: cannot access file after rebuilt PC"
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