Re: how to detect hack attempts.

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On Saturday, February 22, 2020 5:11:49 AM MST Louis Lagendijk wrote:
> On Fri, 2020-02-21 at 13:15 -0700, home user wrote:
> 
> > (On 2020-0221 10:51pm, Ed wrote)
> > 
> >  > BTW, if you do an "ip -6 add show eno1"
> >  > do the numbers a358:d643 appear in the output?
> > 
> > 
> > -bash.1[~]: ip -6 add show eno1
> > 2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
> > state 
> > UP group default qlen 1000
> > 
> >      inet6 2001:558:6040:5d:9d66:dfa1:a358:d643/128 scope global
> > 
> > dynamic 
> > noprefixroute
> > 
> >         valid_lft 342949sec preferred_lft 342949sec
> >      
> >      inet6 fe80::3285:a9ff:fe97:537e/64 scope link noprefixroute
> >      
> >         valid_lft forever preferred_lft forever
> > 
> > -bash.2[~]:
> > 
> > So the answer is yes.
> > 
> > (responding to related comments)
> > (Samuel (11:19pm))
> > 
> >  > But most people don't realize that their ISP modem is also a
> > 
> > router.
> > I don't think my modem is also a router, but I'm not sure.  It's an 
> > Arris model TM822G, self-purchased (not rented from the ISP).  
> > 
> 
> 
> What kind of IPv4-address do you get? The public IP or an RFC1918
> (192.168.x.y or 10.x.y.z or 172.16.x.y): if it is the public IP the
> modem likely does not do the firewall as it does not do NAT. 
> A quick check of the Arris manual seems to suggest that it does not
> have a firewall and it seems to handout ISP addresses  directly.

We've already confirmed, earlier in the thread, that it's on a public IP.

-- 
John M. Harris, Jr.
Splentity

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