Merge pull request #1522 from subbyte/authlog

Improve RTSP server authentication handling and auditing

internal/rtsp/rtsp.go

@@ -1,6 +1,7 @@
 package rtsp
 
 import (
+	"errors"
 	"io"
 	"net"
 	"net/url"
@@ -237,7 +238,9 @@ func tcpHandler(conn *rtsp.Conn) {
 	})
 
 	if err := conn.Accept(); err != nil {
-		if err != io.EOF {
+		if errors.Is(err, rtsp.FailedAuth) {
+			log.Warn().Str("remote_addr", conn.Connection.RemoteAddr).Msg("[rtsp] failed authentication")
+		} else if err != io.EOF {
 			log.WithLevel(level).Err(err).Caller().Send()
 		}
 		if closer != nil {