[NTLUG:Discuss] Department of Homeland Security: Vulnerability In MicrosoftOperating Systems

[Alton R. Pouncey, II]

On Thu, 2003-07-31 at 19:17, fredjame wrote:
> Tom Adelstein wrote:
> 
> > Finally:
> >
> >
> > http://www.nipc.gov/warnings/advisories/2003/Potential7302003.htm
> >
> >  Department of Homeland Security
> >
> > (UPDATED) ADVISORY
> >
> > Potential For Significant Impact On Internet Operations
> > Due To Vulnerability In Microsoft Operating Systems
> >
> > July 30, 2003 
> 
> What are the ports they are suggesting for <blocking TCP and UDP ports 
> 135, 139, and 445>?  (Sorry if that is a dumb question).

135 is epmap => DCE endpoint termination (DCE = Distributed Computing
Environment)
139 is the Netbios session service
445 is Microsoft Directory Services

For a good updated list of port numbers and a brief description of each,
check out http://www.iana.org/assignments/port-numbers.

Alton Pouncey