Netty SslHandler没有发送close_notify

Question

我们使用SSLHandler的netty服务器不响应来自peer的close_notify和FIN。要求是netty SslHandler应该根据RFC发送close_notify。我们在Opensslengine中使用Netty-4.1.17。

7.2.1.  Closure Alerts [[https://tools.ietf.org/html/rfc5246#section-7.2.1]]
   The client and the server must share knowledge that the connection is 
   ending in order to avoid a truncation attack. 
   [...] 
   Unless some other fatal alert has been transmitted, each party is 
   required to send a close_notify alert before closing the write side 
   of the connection.  The other party MUST respond with a close_notify 
   alert of its own and close down the connection immediately, 
   discarding any pending writes.

Answer 1

我认为这在后来的netty版本中得到了修复。请升级到最新版本