This file is indexed.

/etc/jesred.rules is in jesred 1.2pl1-19.

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

The actual contents of the file can be viewed below.

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# jesred example redirector rules
# this rules file does NOT redirect any URLs.
# after uncommenting/adding rules you need to either reload squid or send jesred a HUP signal.

# Syntax: 
# 
#	regex[i] pattern replacement
#	regex[i]ug urlgroup pattern replacement
#
# or
#
#	abort .filename_extension
#	abortug urlgroup .filename_extension

# jesred uses a linear list of redirect rules and terminates on first match, 
# so the order of rules is important!

# abort string:
#
# If jesred enconters the specified string at the end
# of the passed URL, it immediately returns and echo's back a newline (i.e.
# no rewrite) - so this speeds up the lookup process a lot for commonly 
# accepted URLs.

# examples:
# abort	.html
# abort	.jpg
# abort	.html
# abort	.shtml
# abort	.java
# abort	.jar
# abort	.htm

# regex RE [RURL]
# regexi RE [RURL]
# regexug URLGROUP RE [RURL]
# regexiug URLGROUP RE [RURL]
#
# regex  ... indicates, that the following RE is case-sensitive
# regexi ... indicates, that the following RE is case-insensitive
# RE     ... is the regular expression, which has to match the passed URL to get
#            rewritten with the following RURL (see regex(7)).
# RURL   ... if RE matches the passed URL, jesred returns RURL
# URLGROUP   ... URLGROUP must also match for jesred to return RURL

# To indicate that a client-side redirect should be performed with
# the new URL prefixing the RURL with "301:" (moved permanently) 
# or 302: (moved temporarily).

# RURL can also include a "urlgroup" that can subsequently be matched
# in cache_peer_access and similar ACL driven rules. An urlgroup is
# returned by prefixing the RURL with "!urlgroup!".  2.6STABLE19

# If RURL is omitted, all URLs which match RE are NOT rewritten.
# So the following two rules prevent jesred from rewriting matched URLs, but
# with the 2nd rule jesred does NOT need to store the RURL (thus consuming
# less memory) and does NOT need to do all the pattern replacements (faster)...
# 
# 	regex ^http://(.*)/ads/minizoff(.*)	http://\1/ads/minizoff\2
#
#	NO_REDIRECT rule
# 	regex ^http://(.*)/ads/minizoff(.*)

# NOTE: '.' in RE stands for "a single character", so if you want to be sure to match only dots 
#       escape the special meaning with a prefixed '\'

# regex	^http://199.78.52.10/~web_ani/.*\.gif	http://141.44.30.2/images/dot.gif
# abort	.gif

# regexi	^http://ad.doubleclick.net/ad/.*	http://141.44.30.2/images/dot.gif
# regex	^http://ad.preferences.com/image.*	http://141.44.30.2/images/dot.gif
# regex	^http://ads[0-9][0-9].focalink.com/SmartBanner/nph-graphic.*	http://141.44.30.2/images/dot.gif
# regex	^http://adserver.developer.com/cgi-bin/accipiter/adserver.exe.*	http://141.44.30.2/images/dot.gif
# regex	^http://tracker.clicktrade.com/Tracker.*	http://141.44.30.2/images/dot.gif
# regex	^http://adforce.imgis.com/?adserv.*	http://141.44.30.2/images/dot.gif
# regex	^http://195.90.252.40/banner.*	http://141.44.30.2/images/dot.gif
# regex	^http://www.artuframe.com/partners/affiliates/banners.*	http://141.44.30.2/images/dot.gif