Re: RTBH Support Across the Industry

Tom Beecher via NANOG <[email protected]> Mon, 27 Jul 2026 14:47:59 -0400
Newsgroups gmane.org.operators.nanog
Message-ID <CAL9Qcx5Hj=hFPpBMOph_Ru+pWiBv1_dhEM9exA46LmGsFwMg4g@mail.gmail.com>
Pg0KPiAqIE5vdCBhbGwgbmV0d29ya3Mgc3VwcG9ydCBSVEJILg0KPg0KDQpJdCBzb3VuZHMgbGlr
ZSB5b3UgYmVsaWV2ZSBldmVyeSB1cHN0cmVhbSAvIHRyYW5zaXQgcHJvdmlkZXIgU0hPVUxELiBJ
DQpkb24ndCBhZ3JlZS4NCg0KKiBOZXR3b3JrcyB0aGF0IGRvIHN1cHBvcnQgUlRCSCBpbXBsZW1l
bnQgaXQgZGlmZmVyZW50bHkgdG8gZWFjaCBvdGhlci4NCj4NCg0KT2YgY291cnNlLiBFdmVyeSBu
ZXR3b3JrIGlzIGRpZmZlcmVudC4gU28gd2lsbCBpbXBsZW1lbnRhdGlvbnMuDQoNCg0KPiAqIFRo
ZXJlIGlzIG5vIG9uZSBwbGFjZSB3aGVyZSBvbmUgY2FuIGVhc2lseSBmaW5kIHRoZSBpbmZvIGZv
ciBob3cgdG8gdXNlDQo+IFJUQkggd2l0aCBhIGdpdmVuIG5ldHdvcmsuDQo+DQoNCkkgZG9uJ3Qg
YmVsaWV2ZSB0aGlzIGlzIGltcG9ydGFudCB0byBoYXZlLiBJIG5lZWQgdG8ga25vdyBob3cgdG8g
dXNlIFJUQkgNCmZvciB0aGUgbmV0d29ya3MgSSB1c2UgdGhhdCBJIENPVUxEIHVzZSBpdCBvbi4g
SSBkb24ndCBjYXJlIGFib3V0IHRoZSBpbmZvDQpmb3IgZXZlcnlvbmUgZWxzZSBvdXQgdGhlcmUu
DQoNCiogT3BlcmF0b3JzIGhhdmUgZGlmZmVyZW50IGlkZWFzIGFib3V0IGhvdyAvIHdoZW4gLyB3
aGVyZSAvIHdoeSBzb21lb25lDQo+IHNob3VsZCAvIHNob3VsZG4ndCB1c2UgUlRCSC4NCg0KDQpB
Z2FpbiBub3JtYWwuIERpZmZlcmVudCBvcGVyYXRvcnMgaGF2ZSBkaWZmZXJlbnQgb3BpbmlvbnMg
b24gbWFueSB0aGluZ3MNCmZvciB2YXJpb3VzIHJlYXNvbnMuIFRlY2huaWNhbCwgYnVzaW5lc3Ms
IHJlbGlnaW91cywgZXRjLg0KDQoNCg0KT24gTW9uLCBKdWwgMjcsIDIwMjYgYXQgNDo0N+KAr0FN
IEphbWVzIEJlbnNsZXkgdmlhIE5BTk9HIDwNCm5hbm9nQGxpc3RzLm5hbm9nLm9yZz4gd3JvdGU6
DQoNCj4gT24gTW9uZGF5LCBKdWx5IDI3dGgsIDIwMjYgYXQgMTA6MjYsIERvbWluaWsgRG9icm93
b2xza2kgPA0KPiBkb2Jyb3dvbHNraS5kb21pbm9AZ21haWwuY29tPiB3cm90ZToNCj4NCj4gPiBI
aSBhbGwsDQo+DQo+IEhpIERvbWluaWsNCj4NCj4gPiBDYW7igJl0IHdlIGltcGxlbWVudCB0aGUg
bmF0dXJhbCBzdWNjZXNzb3IgdG8gYmxhY2tob2xlIG1lYW5pbmcgYmdwDQo+IGZsb3dzcGVjPyBJ
dOKAmXMgbXVjaCBiZXR0ZXIgd2l0aCBtb2Rlcm4gYXR0YWNrcyBzdWNoIGFzIGNhcnBldC1ib21i
cywgd2hlcmUNCj4gYXR0YWNrZXJzIGF0dGFjayB3aG9sZSBwcmVmaXhlcyBhbmQgd2UgbmVlZCBh
IG1vcmUgc3VyZ2ljYWwgdG9vbC4NCj4NCj4gSSB0aGluayB0aGF0IGluIHRoZW9yeSBGbG93c3Bl
YyBpcyBncmVhdCwgYW5kIHVzaW5nIGl0IGludGVybmFsbHkgd2l0aGluDQo+IHlvdXIgb3duIG5l
dHdvcmsgaXMgYWxzbyBncmVhdC4gQWNyb3NzIG5ldHdvcmtzLCBpcywgIm5vdCBpZGVhbCIgdG8g
Z2l2ZQ0KPiB0aGUgcG9saXRpY2FsIGFuc3dlci4gSSB3aXNoIGl0IHdhcyBiZXR0ZXIgYnV0IG91
ciBvcGVyYXRpb25hbCBleHBlcmllbmNlcw0KPiBoYXMgc2hvd24gdGhlIG9wcG9zaXRlLg0KPg0K
PiBXZSdyZSBhbiBJUCB0cmFuc2l0IHByb3ZpZGVyIGFuZCBERG9TIHByb3RlY3Rpb24gcHJvdmlk
ZXIgKHdobyBhbHNvIG9mZmVycw0KPiBGbG93c3BlYyksIHNvbWUgbGVzc29ucyBsZWFybmVkIGZy
b20gb3VyIEZsb3dzcGVjIGFkdmVudHVyZXM7DQo+DQo+ICogVG8gbXkga25vd2xlZGdlLCBubyB2
ZW5kb3IgaW1wbGVtZW50cyAxMDAlIG9mIHRoZSBmZWF0dXJlcyBpbiB0aGUNCj4gRmxvd3NwZWMg
UkZDcy4gRWFjaCB2ZW5kb3IgaXMgaW1wbGVtZW50aW5nIGEgc2xpZ2h0bHkgZGlmZmVyZW50IHNl
dCBvZg0KPiBmZWF0dXJlcywgc28gdGhlcmUgaXMgYSB2ZW5kb3IgZGlhZ3JhbSB3aGVyZSBvbmx5
IHRoZSBtb3N0IGJhc2ljIGZlYXR1cmVzDQo+IGFyZSBndWFyYW50ZWVkIHRvIHdvcmsgYmV0d2Vl
biB2ZW5kb3JzLCBhbmQgdGhlIG1vcmUgImZyaW5nZSIgZmVhdHVyZXMgYXJlDQo+IHBvdCBsdWNr
LiBDdXN0b21lcnMgc2VuZCB1cyBGbG93c3BlYyByb3V0ZXMgZnJvbSBhIGRpZmZlcmVudCB2ZW5k
b3IgYW5kIHdlDQo+IHNlZSB3ZSBjYW4ndCBpbXBsZW1lbnQgMTAwJSBvZiB3aGF0J3MgaW4gdGhl
IHJvdXRlICh2aWNlIHZlcnNlLCB3ZSBjb3VsZA0KPiBzZW5kIHRoZW0gYSByb3V0ZSB0aGV5IGNh
bid0IDEwMCUgaW1wbGVtZW50KS4NCj4NCj4gKiBDb21wcmVzc2lvbiBvZiBGbG93c3BlYyBydWxl
cyBpcyBkaWZmZXJlbnQgYmV0d2VlbiB2ZW5kb3JzOyB5b3UgbWlnaHQNCj4gc2VuZCBtZSBvbmUg
c2luZ2xlIEZsb3dzcGVjIHJ1bGUgd2hpY2ggY29udGFpbnMgYSBsb3Qgb2Ygb3B0aW9ucyBhbmQN
Cj4gcHJlZml4ZXMsIGluIGEgc2luZ2xlIEJHUCBGbG93c3BlYyAicm91dGUiLCBidXQgbXkgdmVu
ZG9yIGV4cGxvZGVzIHRoYXQNCj4gaW50byAxMDAgVENBTSBlbnRyaWVzIGZvciB0aGUgc2luZ2xl
IHJvdXRlLCBvciB2aWNlIHZlcnNlLCB5b3Ugc2VuZCBtZQ0KPiBzZXZlcmFsIHZlcnkgc2ltaWxh
ciByb3V0ZXMgYW5kIEkgY2FuIGNvbXByZXNzIHRoZW4gaW50byBhIHNpbmdsZSBUQ0FNDQo+IGVu
dHJ5LiBUaGlzIHBoZW5vbWVub24gaGFzIHR3byBpc3N1ZXM7IGZpcnN0bHkgaWYgd2Ugc2VsbCB5
b3UgWCBGbG93c3BlYw0KPiBmaWx0ZXJzL3J1bGVzLCB3ZSBjYW4ndCBhZ3JlZSBvbiBob3cgbWFu
eSB5b3UndmUgY29uc3VtZWQsIHdlIGhhdmUgdHdvDQo+IGRpZmZlcmVudCB2aWV3cyBvbiB0aGF0
LiBTZWNvbmRseSwgVENBTSBzcGFjZSBpcyBleHRyZW1lbHkgZXhwZW5zaXZlLCBzbw0KPiBnaXZp
bmcgdGhlIGN1c3RvbWVycyB0aGUgb3B0aW9uIHRvIHNlbmQgYSBzbWFsbCBudW1iZXIgb2Ygcm91
dGVzIHdoaWNoIGNhbg0KPiBleHBsb2RlIGludG8gaHVuZHJlZHMgb3IgdGhvdXNhbmRzIG9mIFRD
QU0gZW50cmllcyBuZWVkcyBjYXJlZnVsIG1hbmFnZW1lbnQNCj4gKG1vc3QgdmVuZG9ycyBkb24n
dCBoYXZlIHJpY2ggQkdQIHBvbGljeSBzeW50YXggZm9yIEZsb3dzcGVjIGZpbHRlcmluZywNCj4g
c29tZSBvZiB0aGUgc3R1ZmYgd2UgZG8gaW4gUkNGIHdpdGggQXJpc3RhIGlzbid0IGRvY3VtZW50
ZWQgaW4gYW55IEFyaXN0YQ0KPiBUT0kpLg0KPg0KPiAqIFZpcnR1YWxseSBub2JvZHkgYWNjZXB0
cyBGbG93c3BlYyBydWxlczsgbm9uZSBvZiBvdXIgdXBzdHJlYW1zIG9yIFBOSQ0KPiBwZWVycyBz
dXBwb3J0IEZsb3dzcGVjLiBXZSBhcmUgdHJ5aW5nIHRvIGdldCBzZXZlcmFsIElYUHMgdG8gdHJp
YWwgRmxvd3NwZWMNCj4gd2l0aCB1cywgYW5kIHRoZXkgYXJlIHNsb3cgYnVybmluZyBjb252ZXJz
YXRpb25zIHdpdGggbm8gYWN0dWFsIHRyaWFscw0KPiBoYXBwZW5pbmcgeWV0Lg0KPg0KPiA+IFNp
bXVsdGFuZW91c2x5IHdlIG5lZWQgdG8gcHVzaCBoYXJkZXIgdG8gYWRvcHQgdVJQRiB0byBwcmV2
ZW50IHNwb29mZWQNCj4gYXR0YWNrcy4NCj4NCj4gSSBhZ3JlZSB3aXRoIHlvdSB0aGF0IGJldHRl
ciBGbG93c3BlYyBhZG9wdGlvbiB3b3VsZCBiZSBuaWNlLCBhbmQgYmV0dGVyDQo+IGFudGktc3Bv
b2ZpbmcuIEJ1dCBvbiB0aGUgYW50aS1zcG9vZmluZyBwb2ludCwgSSB0aGluayB0aGUgbmVlZCBm
b3INCj4gYXR0YWNrZXJzIHRvIHNwb29mIElQcyB3aWxsIGdvIGRvd24gaW4gdGhlIGNvbWluZyB5
ZWFycyBzbyBJIHRoaW5rIHRoaXMNCj4gcHJldmVudGlvbiBtZWNoYW5pc20gZHJvcCBpbiBwcmlv
cml0eSAodGhpcyBpcyBhbiB1bmZvdW5kZWQgZ3V0IGZlZWxpbmcsDQo+IG5vdGhpbmcgYmFja2Vk
IGJ5IGRhdGEpDQo+DQo+IENoZWVycywNCj4gSmFtZXMuX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX18NCj4gTkFOT0cgbWFpbGluZyBsaXN0DQo+DQo+IGh0dHBz
Oi8vbGlzdHMubmFub2cub3JnL2FyY2hpdmVzL2xpc3QvbmFub2dAbGlzdHMubmFub2cub3JnL21l
c3NhZ2UvRUtSRE5ZRUdGVDdLRFBFSU42QTNYNVJPNzVQWEc0NzcvDQpfX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpOQU5PRyBtYWlsaW5nIGxpc3QgCmh0dHBz
Oi8vbGlzdHMubmFub2cub3JnL2FyY2hpdmVzL2xpc3QvbmFub2dAbGlzdHMubmFub2cub3JnL21l
c3NhZ2UvTEgzUFA1M1RRMjVYQkJESERDWDQ2SFhPRUtSTkRBVDQv