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-rw-r--r--src/net_processing.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index a896bb76ae..ebabba5c78 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -2683,7 +2683,11 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
int64_t nTimeOffset = nTime - GetTime();
pfrom.nTimeOffset = nTimeOffset;
- AddTimeData(pfrom.addr, nTimeOffset);
+ if (!pfrom.IsInboundConn()) {
+ // Don't use timedata samples from inbound peers to make it
+ // harder for others to tamper with our adjusted time.
+ AddTimeData(pfrom.addr, nTimeOffset);
+ }
// If the peer is old enough to have the old alert system, send it the final alert.
if (greatest_common_version <= 70012) {