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| author | Pieter Wuille <pieter.wuille@gmail.com> | 2015-03-19 09:51:59 -0700 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2015-03-23 17:24:18 -0700 |
| commit | c6a63ceeb4956933588995bcf01dc3095aaeb1fc (patch) | |
| tree | b88a7fe5aebb9118f552d4be074a6e7eca22fa8d /src/net.cpp | |
| parent | f68ba3f67bd500a64fb8932c6b41924ddc31d76f (diff) | |
| download | bitcoin-c6a63ceeb4956933588995bcf01dc3095aaeb1fc.tar.xz | |
Always use a 50% chance to choose between tried and new entries
This change was suggested as Countermeasure 2 in
Eclipse Attacks on Bitcoin’s Peer-to-Peer Network, Ethan Heilman,
Alison Kendler, Aviv Zohar, Sharon Goldberg. ePrint Archive Report
2015/263. March 2015.
Diffstat (limited to 'src/net.cpp')
| -rw-r--r-- | src/net.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/net.cpp b/src/net.cpp index 0723ee218a..d8991ffa8d 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -1221,8 +1221,7 @@ void ThreadOpenConnections() int nTries = 0; while (true) { - // use an nUnkBias between 10 (no outgoing connections) and 90 (8 outgoing connections) - CAddress addr = addrman.Select(10 + min(nOutbound,8)*10); + CAddress addr = addrman.Select(); // if we selected an invalid address, restart if (!addr.IsValid() || setConnected.count(addr.GetGroup()) || IsLocal(addr)) |