Re: port 3780 UDP?

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On 2/18/23 15:47, Doug Herr wrote:
On Sat, Feb 18, 2023, at 2:44 PM, ToddAndMargo via users wrote:
On 2/17/23 17:22, ToddAndMargo via users wrote:
Hi All,

Fc37

What is this all about (iptables)?

Feb 17 17:17:36 rn6 kernel: dsl-out Everything Else IN= OUT=eno2
SRC=192.168.250.10 DST=225.0.0.50 LEN=36 TOS=0x00 PREC=0x00 TTL=1
ID=30677 DF PROTO=UDP SPT=33445 DPT=3780 LEN=16

over and over

$ grep -i 3870 /etc/services
ovsam-d-agent   3870/tcp                # hp OVSAM HostAgent Disco
ovsam-d-agent   3870/udp                # hp OVSAM HostAgent Disco

Inquiring minds want to know!

Many thanks,
-T


The destination address (225.0.0.50) does
not resolve on any of the web IP look up
tools.

I am starting to wonder if it is some
kind of local address to my system.

That is a multicast reserved ip:

RESERVED (225.0.0.0-231.255.255.255 (7 /8s))

Reference
     [RFC5771]


Who would be trying to write to that?

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