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Anatoly Yakovenko 2019-02-11 15:28:27 -08:00 committed by Greg Fitzgerald
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@ -83,6 +83,16 @@ older than `5 * GOSSIP_PULL_CRDS_TIMEOUT_MS`.
An eclipse attack is an attempt to take over the set of node connections with
adversarial endpoints.
This is relevant to our implementation in the following ways.
* Pull messages select a random node from the network. An eclipse attack on
*pull* would require an attacker to influence the random selection in such a way
that only adversarial nodes are selected for pull.
* Push messages maintain an active set of nodes and select a random fanout for
every push message. An eclipse attack on *push* would influence the active set
selection, or the random fanout selection.
### Pull Message
A node is selected as a pull target based on local time since last selection and