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Firejail Feature Testing
N - normal user filesystem
O - overlay filesystem
C - chroot filesystem
1. Default features (tesing with --noprofile)
1.1 disable /boot
1.2 new /proc
1.3 new /sys
- N, O fails remount, C fails remount
1.4 mask other users
- home directory: N, O, C
- /etc/passwd: N, O, C to test
- /etc/group: N, O, C to test
1.5 PID namespace
1.6 new /var/log
1.7 new /var/tmp
1.8 disable firejail config and run time information
1.9 mount namespace
1.10 disable /selinux
2. Networking features
2.1 Hostname (use --hostname=newhostname, do a ping and cat /etc/hostname)
- ping disabled for C by default seccomp filter, use "getent hosts bingo"
2.2 DNS (use --dns=4.2.2.1, use "dig google.com")
2.3 mac-vlan (use --net=eth0 and --noprofile; run ifconfig and dig google.com)
2.4 bridge (use --net=br0 and --noprofile; run ifconfig, netstat -rn, ping default gw)
- ping disabled for C by default seccomp filter - transfer test not implemented for C
2.5 interface
2.6 Default gw (--noprofile --net=eth0 --defaultgw=192.168.1.10, run netstat -rn)
3. Filesystem features (use --noprofile)
3.1 private
3.2 read-only
3.3 blacklist
3.4 whitelist home
- N braking on Fedora
3.5 private-dev
- O, C - somehow /dev/log is missing
- N - problems on Debian wheezy 32-bit, Fedora
3.6 private-etc
- O not working - todo
3.7 private-tmp
3.8 private-bin
- O, C not working - todo
3.9 whitelist dev
- N not working on Debian wheezy (32-bit and 64-bit) - todo
3.10 whitelist tmp
- O not working on Arch Linux - todo
3.11 mkdir
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