On 05/23/2014 06:17 PM, jdow wrote:
On 2014/05/23 14:25, ToddAndMargo wrote:
On 05/23/2014 02:08 PM, Alan Bartlett wrote:
On 23 May 2014 22:02, ToddAndMargo <toddandma...@zoho.com> wrote:
Hi All,

Is there some special meaning (like 127.0.0.1.) to
the following IP address?

     224.0.0.251

Many thanks,
-T

It is an IP Multicast address.

host 224.0.0.251

will tell you a bit more.

Alan.


Hi Alan,

$ host 224.0.0.251
Host 251.0.0.224.in-addr.arpa. not found: 3(NXDOMAIN)

Not sure what I am suppose to find.

This is why I ask (VLC's doing):

kernel: Vlan-out Everything Else IN= OUT=eth0.5 SRC=192.168.254.10
DST=224.0.0.251 LEN=56 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP
SPT=5353
DPT=5353 LEN=36

eth0.5 is a virtual Ethernet too, not hooked to the Internet.

And port 3535 UDP?

$ grep -i 3535 /etc/services
ms-la           3535/tcp                # MS-LA
ms-la           3535/udp                # MS-LA


Thank you for the help,
-T

Lysdexic are we? It's 5353 which seems to be an alternate DNS address.

{^_^}   Joanne "me too be lysdexic"


Seems I have already look at 5353 once before.  From
one of my penetration reports:

    Port 5353/udp (zeroconf) is registered to the Link
    Local Multicast Name Resolution (LLMNR) service.
    It is part of how Windows computers identify themselves
    to each other on a local area network and is part of
    the normal operation of the Windows XP Operating System.
    Further information can be found at:
         https://en.wikipedia.org/wiki/LLMNR

--
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Computers are like air conditioners.
They malfunction when you open windows
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