Re: Why are my PCs trying to broadcast on port 137 and 138?

From: Pip (nntp@somewhere.com)
Date: 11/21/02 

From: "Pip" <nntp@somewhere.com>
Date: Wed, 20 Nov 2002 21:19:37 -0800

OK downloaded a sniffer and found it is browser announcements. Just wish it
wasn't so talkative and noisy.

Domain/Workgroup Announcement , Domain controller, NT workstation, domain
Enum
and
Host announcement, workstation, server, domain controller, print queue
server, nt workstation, master browser

"Pip" <nntp@somewhere.com> wrote in message
news:ujCdmpJkCHA.1328@tkmsftngp09...
> Hi. I'm trying to stop this from happening. I have wins running on NT
4.0
> Server sp 6a + postfixes.
> Client is XP Pro (no domain logon) just using NT Server for DNS, WINS, no
> DHCP, some filesharing (again not NT domain, just password prompted).
>
> I've switched to Node type 0x2 on both PCs (WINS only, no broadcasts).
> At the time I see these broadcasts, there is no apparent activity and I am
> not actively doing anything at the time these happen.
> Lately - I've also seen the Server trying to connect port 138 to a
> nonexistent IP 192.168.1.15 (it the >
[172.20.1.55:138]->[172.20.1.255:138] bcast dc0 l=192
>
> Nov 20 06:10:04 FILTER: Received information UDP
> [172.20.1.55:138]->[172.20.1.255:138] bcast dc0 l=192
>
> And also one to a nonexistent IP address.
>
> Nov 20 06:07:29 FILTER: OBF (13) block - warning UDP
> [172.20.1.15:138]->[192.168.1.15:138] dc0 l=247
>
> Nov 20 06:07:29 FILTER: Received information UDP
> [172.20.1.15:138]->[192.168.1.15:138] dc0 l=247
>
> Thanks for any hints/tips you can offer.
>
>

Relevant Pages

  • DNS Authentication Issue
    ... I have been working on trying to connect an XP workstation to a win 2003 ... server and seem to be having some DNS issues. ... DNS was successfully queried for the service location resource record ... - Host records that map the name of the domain controller to its IP ...
    (microsoft.public.cert.exam.mcse)
  • Re: Terminal Services and SBS 2003
    ... infect your workstations with malware on your domain controller?" ... 2000 and 2003 domain controllers (small companies with only one server). ... true equivalent of someone using your domain controller as a workstation" as ... run any applications that use the Internet. ...
    (microsoft.public.windows.server.sbs)
  • Re: Remotely manage group policy
    ... I have a windows 2000 server network with Active Directory that I manage ... workstation so that I may manage the directory from my workstation. ... When I access the active directory users and computers module I seem to have ... I have also tried to use the "Connect to Domain Controller" and choosing the ...
    (microsoft.public.win2000.active_directory)
  • Re: Remotely manage group policy
    ... > I have a windows 2000 server network with Active Directory that I manage ... from the server console. ... workstation so that I may manage the directory from my workstation. ... > I have also tried to use the "Connect to Domain Controller" and choosing ...
    (microsoft.public.win2000.active_directory)
  • Re: Client performance problem windows 2003 server...
    ... >Subject: Re: Client performance problem windows 2003 server... ... >Deploying Active Directory for Branch Office Environments ... >results from not having a domain controller in a particular site. ... incorrectly applied site coverage will be bad for clients ...
    (microsoft.public.windows.server.networking)