Brad Fitzpatrick (bradfitz) wrote in lj_dev,
Brad Fitzpatrick
bradfitz
lj_dev

FreeBSD question

How do I turn up the allowed ICMP rate?

I'm getting a lot of kernel messages like:

/kernel: icmp-response bandwidth limit 201/200 pps

But it seems mod_backhand uses icmp packets as one way to detect if a host is up, so at least on one interface, I want to disable or increase that rate, so mod_backhand doesn't mistake a host for being dead, just because the operating system wanted to prevent a DoS attack.
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