Security Incidents: RE: Why would my machine do this?

[Jose Nazario <jose () biocserver BIOC cwru edu>]

On Thu, 7 Feb 2002, Bill Royds wrote:

> Is one of the machines a SGI Irix machine. SGI uses port 1 for service
> multiplexing and this may be a communication from the service
> multiplexor. It can be pretty chatty with it.
1/UDP is not used by those . 1/TCP is TCPmux (RFC 1078) to multiplex
services. UDP doesn't use that TCPmux service for the same purposes.

you are right in that several SGI specific tools use TCPmux (1/TCP). but
they're TCP only.

____________________________
jose nazario                                                 jose () cwru edu
                     PGP: 89 B0 81 DA 5B FD 7E 00  99 C3 B2 CD 48 A0 07 80
                                       PGP key ID 0xFD37F4E5 (pgp.mit.edu)



----------------------------------------------------------------------------
This list is provided by the SecurityFocus ARIS analyzer service.
For more information on this free incident handling, management 
and tracking system please see: http://aris.securityfocus.com