/etc/apparmor.d/usr.sbin.tcpdump is in apparmor-profiles-extra 1.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Last Modified: Wed Feb 3 07:58:30 2009
# Author: Jamie Strandboge <jamie@canonical.com>
#include <tunables/global>
/usr/sbin/tcpdump {
#include <abstractions/base>
#include <abstractions/nameservice>
#include <abstractions/user-tmp>
capability net_raw,
capability setuid,
capability setgid,
capability dac_override,
network raw,
network packet,
# for -D
capability sys_module,
@{PROC}/bus/usb/ r,
@{PROC}/bus/usb/** r,
# for finding an interface
@{PROC}/[0-9]*/net/dev r,
/sys/bus/usb/devices/ r,
/sys/class/net/ r,
/sys/devices/**/net/* r,
# for -j
capability net_admin,
# for tracing USB bus, which libpcap supports
/dev/usbmon* r,
/dev/bus/usb/ r,
/dev/bus/usb/** r,
# for init_etherarray(), with -e
/etc/ethers r,
# for USB probing (see libpcap-1.1.x/pcap-usb-linux.c:probe_devices())
/dev/bus/usb/**/[0-9]* w,
# for -z
/bin/gzip ixr,
/bin/bzip2 ixr,
# for -F and -w
audit deny @{HOME}/.* mrwkl,
audit deny @{HOME}/.*/ rw,
audit deny @{HOME}/.*/** mrwkl,
audit deny @{HOME}/bin/ rw,
audit deny @{HOME}/bin/** mrwkl,
owner @{HOME}/ r,
owner @{HOME}/** rw,
# for -r, -F and -w
/**.[pP][cC][aA][pP] rw,
# for convenience with -r (ie, read pcap files from other sources)
/var/log/snort/*log* r,
/usr/sbin/tcpdump r,
# Site-specific additions and overrides. See local/README for details.
#include <local/usr.sbin.tcpdump>
}
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