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Ignore getaddr requests from outbound peers.

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This change reduces fingerprinting attacks and
mimics Bitcoin Core commit
dca799e1db6e319fdd47e0bfdb038eab0efabb85
This commit is contained in:
David Hill 2015-03-13 16:23:21 -04:00
parent 2cc85ef428
commit dea7ef364c
1 changed files with 6 additions and 0 deletions
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6
peer.go
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@ -1150,6 +1150,12 @@ func (p *peer) handleGetAddrMsg(msg *wire.MsgGetAddr) {
return
}
// Do not accept getaddr requests from outbound peers. This reduces
// fingerprinting attacks.
if !p.inbound {
return
}
// Get the current known addresses from the address manager.
addrCache := p.server.addrManager.AddressCache()