News for hackers. Stuff that matters.

A comment on Tell HN: 1.1.1.1 Appears to Be Down. Parent comment

Re:Tell HN: 1.1.1.1 Appears to Be Down by op00to on Monday July 14, 2025 @08:44PM (#44566803)
No, ping can be deprioritized while actual interesting packets pass through with much less latency.
[ Parent | on HN ]
Re:Tell HN: 1.1.1.1 Appears to Be Down by indigodaddy on Monday July 14, 2025 @09:23PM (#44567000)
Sure, but if ping is not blocked at the endpoint, and there is not insignificant packet loss directly at the endpoint, then that demonstrates a network issue that needs to be looked at.
[ Parent | on HN ]
Re:Tell HN: 1.1.1.1 Appears to Be Down by esseph on Tuesday July 15, 2025 @02:31AM (#44568423)
> mtr -u

>

> Use UDP datagrams instead of ICMP ECHO.

Rules out router control plane protection mechanisms specifically for ICMP echo rate limiting.

[ Parent | on HN ]