/usr/ is in iptables-dev 1.4.12-1ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/iptables-dev/html/
/usr/share/
/usr/share/doc-base/
/usr/share/doc-base/netfilter-extensions
/usr/share/doc-base/netfilter-hacking
/usr/share/doc/
/usr/share/doc/iptables-dev/
/usr/share/doc/iptables-dev/copyright
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-9.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-5.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-1.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-8.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-2.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-6.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-2.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-7.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-7.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-8.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-6.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-5.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-4.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-3.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO.html
/usr/include/libiptc/libiptc.h
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-9.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-4.html
/usr/share/doc/iptables-dev/html/netfilter-extensions-HOWTO-3.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO-1.html
/usr/share/doc/iptables-dev/html/netfilter-hacking-HOWTO.html
/usr/share/man/
/usr/share/man/man3/
/usr/share/man/man3/ipq_read.3.gz
/usr/share/man/man3/ipq_errstr.3.gz
/usr/share/man/man3/ipq_message_type.3.gz
/usr/share/man/man3/libipq.3.gz
/usr/share/man/man3/ipq_set_mode.3.gz
/usr/share/man/man3/ipq_create_handle.3.gz
/usr/share/man/man3/ipq_set_verdict.3.gz
/usr/include/
/usr/include/xtables.h
/usr/include/libiptc/
/usr/include/libiptc/libip6tc.h
/usr/include/libiptc/libxtc.h
/usr/include/libiptc/ipt_kernel_headers.h
/usr/include/libipq.h
/usr/lib/
/usr/lib/pkgconfig/
/usr/lib/pkgconfig/libiptc.pc
/usr/lib/pkgconfig/xtables.pc
/usr/share/doc/iptables-dev/changelog.Debian.gz
/usr/share/man/man3/ipq_destroy_handle.3.gz
/usr/share/man/man3/ipq_perror.3.gz
/usr/share/man/man3/ipq_get_packet.3.gz
/usr/share/man/man3/ipq_get_msgerr.3.gz