BBB-via-ansible/roles/bbb_vps_prep/templates/sysctl-hardening.conf.j2

30 lines
804 B
Django/Jinja

# Managed by Ansible
# Network hardening + Docker needs forwarding
net.ipv4.ip_forward = 1
net.ipv6.conf.all.forwarding = 1
net.ipv4.tcp_syncookies = 1
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.default.accept_source_route = 0
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
kernel.kptr_restrict = 2
kernel.dmesg_restrict = 1
kernel.randomize_va_space = 2
vm.swappiness = 10