lnpeer: add some rate-limiting against ping flood#10665
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A remote peer could send us lots of small ping messages, requesting large pong responses. This is cheap for them but potentially expensive for us. Does not seem too serious, but I think we could add some rate-limiting. note: There are many ways for a remote peer to inflate our incoming traffic usage, but the cost of that is usually shared between them and us (they need to send the data, we receive it).
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A remote peer could send us lots of small ping messages, requesting large pong responses. This is cheap for them but potentially expensive for us. Does not seem too serious, but I think we could add some rate-limiting.
note: There are many ways for a remote peer to inflate our incoming traffic usage, but the cost of that is usually shared between them and us (they need to send the data, we receive it).