That's probably a limitation on the Cloudflare side and not Telnyx themselves choosing specific IPs over ranges.
- Heath On Mon, Nov 15, 2021 at 9:50 AM Carlos Alvarez <caalva...@gmail.com> wrote: > We're just barely trying them out, mostly for SMS. Prices seem pretty > high compared to our other providers so it's really just a convenience/test > at this point. But this was interesting: > > Dear customer, > > > Telnyx has reason to believe that sip.telnyx.com will be targeted in a > subsequent DDoS attack tomorrow (Monday the 15th of Nov). During attacks, > it is likely we will block traffic from non-trusted sources. > > > To help achieve this Telnyx has proactively created a list of trusted IPs > using customer authentication IPs, successful registrations, and historical > traffic. However, we strongly encourage all customers to check their > records and add any IP that they may be using, to their Access Control IP > List as per the following instructions: > https://telnyx.com/release-notes/allowed-ip-mission-control > <http://email.mg.telnyx.com/c/eJydUU1zmzAQ_TVwYfBgBAgOHIypa3twJk7sOu2FkcXiqBGIChnH_vUVJG1Ij9Vo9LVv33u7oqRqCDvVhp9IoKxhUKu8EBVh-imNWc0UIwr4hIrKpB9g0Aiet-fjT6CqR-6A19dXy7buhdIcjHDrEWTHKFgrnUUVq0_Wl06HzCImblCU4ZivI1LrMDGozkWtpOAmi13HnerhO57nIDzBuCxxiEIPlQEqKBieU50mapAeHD7HbllQFxdRUToBQlM39EhwxEF59LALRYhNGVMiuWh17ufqePysVNMaaGa4Cz0_aPVFAgfSgl3r6lp9J5yLCxQ2a-yKta02btM31wZadCBFzgoDpe9Srv-PmOEGA0jndBrmPWZrvnyanX7lr7Pvq5egYQ-Y770ZLzfb5CG6_XDSJ3HOvl3O60u6yVC087vd105sss2yzI549wLJ4bCKFrZPkzvY3w67LlmsK1HN59vbfrnVFlA6LOOu_9__jQj-HPtqNUk0jZDjjAGNFL1CXpMKesS9ZBWR1zFEXZshdAeXloNSID9FoWq4bttfBlPFfeveN_tN0o6iIArwb_jr8nE> > > > Thank you for your understanding, > > The Telnyx Team > > > Thing is though, they don't seem to let you whitelist a subnet or range. > Entering a couple dozen IPs is not great. > > _______________________________________________ > VoiceOps mailing list > VoiceOps@voiceops.org > https://puck.nether.net/mailman/listinfo/voiceops >
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