RE: source LAN port 137 dest 169.x

["David Gillett" <gillettdavid () fhda edu>]

The horse's mouth:

http://www.iana.org/assignments/port-numbers


> -----Original Message-----
> From: stephen at unix dot za dot net [mailto:stephen () unix za net]
> Sent: July 30, 2003 23:54
> To: Jason Armstrong
> Cc: 'security-basics () securityfocus com '
> Subject: RE: source LAN port 137 dest 169.x
>
>
>
> cat /etc/services |grep <port number here>
>
> :)
>
>
> On Tue, 29 Jul 2003, Jason Armstrong wrote:
>
> > Also, check out this great site:
> >
> > http://www.networksorcery.com/enp/protocol/ip/ports00000.htm
> >
> > It has a listing of all of the well-known ports.
> >
> > Port 137 is NETBIOS.
> >
> > Jason
> >
> >
> >
> > -----Original Message-----
> > From: Kurt
> > To: security-basics () securityfocus com
> > Sent: 7/29/03 6:28 PM
> > Subject: RE: source LAN port 137 dest 169.x
> >
> > The only thing that I'm familiar with that the 169.x.x.x 
> range is used
> > for is the auto-config in MSFT machines that can't get a 
> DHCP-assigned
> > address.
> >
> > | -----Original Message-----
> > | From: Darren Gragg [mailto:admin () bsbks com]
> > | Sent: Tuesday, July 29, 2003 08:33
> > | To: security-basics () securityfocus com
> > | Subject: source LAN port 137 dest 169.x
> > |
> > |
> > | I am seeing some UDP packets showing up in my logs as being
> > | dropped that
> > | have a source of 172 my local subnet with a port of 137 and a
> > | destination of
> > | a 169.xxx.xxx.xxx address with a port of 137.  what would
> > | that destination
> > | be telling me?  Any ideas?  Thanks very much in advance
> > |
> > | Darren Gragg
> > | Network Administrator
> > |
> > |
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