diff options
-rw-r--r-- | node/Packet.hpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/node/Packet.hpp b/node/Packet.hpp index 6f3cb72f..1c7a6f5e 100644 --- a/node/Packet.hpp +++ b/node/Packet.hpp @@ -365,6 +365,10 @@ namespace ZeroTier { * immutable. This is because intermediate nodes can increment the hop * count up to 7 (protocol max). * + * A hop count of 7 also indicates that receiving peers should not attempt + * to learn direct paths from this packet. (Right now direct paths are only + * learned from direct packets anyway.) + * * http://tonyarcieri.com/all-the-crypto-code-youve-ever-written-is-probably-broken * * For unencrypted packets, MAC is computed on plaintext. Only HELLO is ever |