The FCC Has Fined Robocallers $208M, Collected $6,790

Post by pfranz » Sat, Nov 09, 2019, 11:21 PM UTC

Ntrails wrote: post #172

BrentOzar wrote: post #166

Earlier quoted context omitted.

> I wished Apple would just add an option "Block all calls unless their number is in contacts". They added it in iOS 13 under Settings, Phone, Silence Unknown Callers. "Calls from unknown numbers will be silenced, sent to voicemail, and displayed on the Recents list. Incoming calls will continue to ring from people in your contacts, recent outgoing calls, and Siri Suggestions."

Jfc the last thing i want is a fucking voicemail, to listen to the tortuous preamble of robo voice saying the source phone number before listening to that empty click.

Post by Scoundreller » Sat, Nov 09, 2019, 11:24 PM UTC

codexon wrote: post #227

ravenstine wrote: post #42

I see people here saying that spoofed numbers is the problem. Maybe it's a big part of it, but at the end of the day, the phone companies are complicit with the criminals because there's no good reason that these robocalls can't be treated like a DoS attack. These crooks make millions , of calls every year. My first employer was apparently making robocalls, though none of us were aware of it(there was a call center w…

> because there's no good reason that these robocalls can't be treated like a DoS attack The problem here is that the origin can be spoofed. You are imagining a system where a telco like T-Mobile connects the caller directly to you. That's not how it works. The connection chain could look like this. bad caller 111-1111 -> A -> B -> C -> T-Mobile -> you 999-9999 All T-Mobile knows is that 111-1111 is calling 999-9999…

Post by paulie_a » Sat, Nov 09, 2019, 11:29 PM UTC

Post by christinamltn » Sat, Nov 09, 2019, 11:39 PM UTC

icegreentea2 wrote: post #134

Semaphor wrote: post #120

Earlier quoted context omitted.

As I said in another comment, why allow international numbers to spoof national numbers?

In the parent's description, it's not spoofing at all. They've purchased real american (local) phone numbers, and are routing calls through them through other means (like internet...). There's no telephone network level trickery or spoofing going on.

Post by Scoundreller » Sat, Nov 09, 2019, 11:45 PM UTC

EB66 wrote: post #236

Scoundreller wrote: post #233

Earlier quoted context omitted.

So then T-Mob calls the NOC at C. Tells them to get this stopped and they have 24 hours, or they'll depeer. 6 hour later, C's NOC calls B's NOC, saying to knock it off, and they have 18 hours or they're getting booted. 6 hours later, B's NOC calls A's NOC, saying to knock it off, and they have 12 hours to figure it out or they're getting booted. In under 12 more hours, A cuts off 111-1111. If peeringDB is to be belie…

I agree completely. I work for a small ISP and we sometimes do the same thing for significant bad actors abusing our network. A phone call to the NOC of the ISP hosting the abuser or the NOC of their upstream transit providers usually gets the ball rolling pretty quickly. That approach is obviously not very effective in a DDoS scenario, but as I understand it these robocalls typically originate from a handful of diff…