Dropping ICMP traffic isn't super uncommon to try to mitigate low-complexity DoS... | Hacker News

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		holysoles 8 months ago \| parent \| context \| favorite \| on: IRS head says free Direct File tax service is 'gon... Dropping ICMP traffic isn't super uncommon to try to mitigate low-complexity DoS attacks, I also cannot ping irs.gov. I can get to www.irs.gov in my browser though.

ndriscoll 8 months ago [–]

It's also a great way to introduce hard to debug network issues since PMTUD also relies on ICMP, and is basically mandatory for ipv6.

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