我正在尝试发送一个log4net日志到logstash进行解析,然后在elasticsearch中结束。我已经将端口添加到windows防火墙安全设置中,并允许所有连接,包括5044和9600。pipeline/output.go:100 Failed to connect to backoff(async(tcp://[http://hostname:5044]:5044)): lookup http://hostname:5044: no such host#----------------------