This file is indexed.

/usr/share/shorewall/macro.Rdate is in shorewall 4.5.21.6-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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#
# Shorewall version 4 - Rdate Macro
#
# /usr/share/shorewall/macro.Rdate
#
#	This macro handles remote time retrieval (rdate).
#	Unless you are supporting extremely old hardware or software,
#	you shouldn't be using this.  NTP is a superior alternative.
#	And even if you need to use rfc 868 Time protocol you should
#	use Time macro instead.
#
###############################################################################
#ACTION	SOURCE	DEST	PROTO	DEST	SOURCE	RATE	USER/
#				PORT(S)	PORT(S)	LIMIT	GROUP
PARAM	-	-	tcp	37