Use QUIC Retry packets during handshake (#31802)

Have the Quic server send a Retry packet to verify client control of the source IP
solana-labs · Jun 6, 2023 · 36222a4 · 36222a4
1 parent 85a0e31
commit 36222a4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/streamer/src/quic.rs b/streamer/src/quic.rs
@@ -71,6 +71,7 @@ pub(crate) fn configure_server(
     server_tls_config.alpn_protocols = vec![ALPN_TPU_PROTOCOL_ID.to_vec()];
 
     let mut server_config = ServerConfig::with_crypto(Arc::new(server_tls_config));
+    server_config.use_retry(true);
     let config = Arc::get_mut(&mut server_config.transport).unwrap();
 
     // QUIC_MAX_CONCURRENT_STREAMS doubled, which was found to improve reliability