Avoid trying to connect to obviously private ports.

libp2p/Host.cpp

@@ -687,7 +687,8 @@ bytes Host::saveNodes() const
 		for (auto const& i: m_nodes)
 		{
 			Node const& n = *(i.second);
-			if (!n.dead && n.address.port() > 0 && n.address.port() >= 30300 && n.address.port() <= 30305 && n.id != id() && !isPrivateAddress(n.address.address()))
+			// TODO: PoC-7: Figure out why it ever shares these ports.//n.address.port() >= 30300 && n.address.port() <= 30305 &&
+			if (!n.dead && n.address.port() > 0 && n.address.port() < 49152 && n.id != id() && !isPrivateAddress(n.address.address()))
 			{
 				nodes.appendList(10);
 				if (n.address.address().is_v4())

libp2p/Session.cpp

@@ -326,10 +326,13 @@ bool Session::interpret(RLP const& _r)
 			if (!ep.port())
 				goto CONTINUE;	// Zero port? Don't think so.
 
+			if (ep.port() >= 49152)
+				goto CONTINUE;	// Private port according to IANA.
+
 			// TODO: PoC-7:
 			// Technically fine, but ignore for now to avoid peers passing on incoming ports until we can be sure that doesn't happen any more.
-			if (ep.port() < 30300 || ep.port() > 30305)
+//			if (ep.port() < 30300 || ep.port() > 30305)
-				goto CONTINUE;	// Wierd port.
+//				goto CONTINUE;	// Wierd port.
 
 			// Avoid our random other addresses that they might end up giving us.
 			for (auto i: m_server->m_addresses)