/usr/share/shorewall/macro.JabberPlain is in shorewall 4.6.4.3-2.
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 3.4 - JabberPlain Macro
#
# /usr/share/shorewall/macro.JabberPlain
#
#	This macro accepts Jabber traffic (plaintext).
#
###############################################################################
?FORMAT 2
###############################################################################
#ACTION	SOURCE	DEST	PROTO	DEST	SOURCE	ORIGIN	RATE	USER/
#				PORT(S)	PORT(S)	DEST	LIMIT	GROUP
PARAM	-	-	tcp	5222
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