This file is indexed.

/etc/at.deny is in at 3.1.20-3.1ubuntu2.

This file is owned by root:daemon, with mode 0o640.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
alias
backup
bin
daemon
ftp
games
gnats
guest
irc
lp
mail
man
nobody
operator
proxy
qmaild
qmaill
qmailp
qmailq
qmailr
qmails
sync
sys
www-data