Satellite TV messed up, how is GPS time
I was a local electronics parts store this afternoon and they were saying some of the satellite TV internet infrastructure was being DDoS'd... ah, the subtle wonders of a few hundred thousand hacked TV cameras yammering down your pipe at the same time.
On Fri, Nov 04, 2016 at 09:58:50PM +0000, Mark Sims wrote:
I was a local electronics parts store this afternoon and they were
saying some of the satellite TV internet infrastructure was being
DDoS'd... ah, the subtle wonders of a few hundred thousand hacked TV
cameras yammering down your pipe at the same time.
Interesting but probably not that likely.
At least DirecTV is fully capable of doing most things without
any Internet connection at all... maybe not Pay per view or special
stuff like the Sunday Ticket authorizations and data feed (or obviously
video on demand) ... but most everything else
There ARE lots of feeds of local stations to the uplink
facilities via leased fiber circuits, but I don't think a lot of those
are competing for bandwidth on the open Internet but are closed circuit
switched networks. There is talk of using VPNs over the Internet but I
think such issues as DDOS attacks have mostly kept that from happening
just yet.
Most of the cable channels reach the uplink facility via C band
dishes from the cable signal distributions that feed other head ends...
There HAVE been attempts to deliberately jam cable distribution
satellites... mostly the EIRPs used for distribution signal uplinks
make this a bit difficult, but it has been done. There are also some
countermeasures in place to help quickly locate and ID rogue uplinks.
Because the US military and government is a heavy user of
commercial satellite capacity, they maintain monitoring facilities that
keep constant watch for intruders... as do the satellite control
facilities responsible for the operation of the birds.
--
Dave Emery N1PRE/AE, die@dieconsulting.com DIE Consulting, Weston, Mass 02493
"An empty zombie mind with a forlorn barely readable weatherbeaten
'For Rent' sign still vainly flapping outside on the weed encrusted pole - in
celebration of what could have been, but wasn't and is not to be now either."
On Fri, 4 Nov 2016 18:43:03 -0400, you wrote:
...
There HAVE been attempts to deliberately jam cable distribution
satellites... mostly the EIRPs used for distribution signal uplinks
make this a bit difficult, but it has been done. There are also some
countermeasures in place to help quickly locate and ID rogue uplinks.
...
Captain Midnight was the first satellite incident that came to mind
but I wonder how many others there have been.
https://en.wikipedia.org/wiki/Captain_Midnight_broadcast_signal_intrusion
On Fri, Nov 04, 2016 at 06:53:53PM -0500, David wrote:
On Fri, 4 Nov 2016 18:43:03 -0400, you wrote:
...
There HAVE been attempts to deliberately jam cable distribution
satellites... mostly the EIRPs used for distribution signal uplinks
make this a bit difficult, but it has been done. There are also some
countermeasures in place to help quickly locate and ID rogue uplinks.
...
Captain Midnight was the first satellite incident that came to mind
but I wonder how many others there have been.
I've heard various numbers (not all that many in NA, more in
other parts of the world) but as you may or may not know, orders of
magnitude more cases of accidental lighting up an uplink pointing at the
wrong satellite, or on the wrong transponder or polarity (or with the
polarity skew wrong) or at the wrong time.
There is a current upgrade in process to require most uplinks to
carry a DSSS spread spectrum buried carrier ID under the actual
modulation energy with information in it that can be linked back to an
uplinker phone number and ID and location, either by directly including
that info or by an uplinker ID ESN listed in a protected non public
database kept by the satellite operators and space managers allowing them to
determine who the uplinker is (among their customers).
--
Dave Emery N1PRE/AE, die@dieconsulting.com DIE Consulting, Weston, Mass 02493
"An empty zombie mind with a forlorn barely readable weatherbeaten
'For Rent' sign still vainly flapping outside on the weed encrusted pole - in
celebration of what could have been, but wasn't and is not to be now either."