From a2923b42dbd061cd1bfe46c56dc0aff43ccb33f1 Mon Sep 17 00:00:00 2001 From: Filip Pytloun Date: Fri, 4 Mar 2016 14:07:10 +0100 Subject: Cleanup code by spliting files --- files/sysctl.d/82-rpi-net-hardening.conf | 59 ++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 files/sysctl.d/82-rpi-net-hardening.conf (limited to 'files/sysctl.d/82-rpi-net-hardening.conf') diff --git a/files/sysctl.d/82-rpi-net-hardening.conf b/files/sysctl.d/82-rpi-net-hardening.conf new file mode 100644 index 0000000..8ee6299 --- /dev/null +++ b/files/sysctl.d/82-rpi-net-hardening.conf @@ -0,0 +1,59 @@ +# Enable network stack hardening +net.ipv4.tcp_timestamps=0 +net.ipv4.tcp_syncookies=1 +net.ipv4.conf.all.rp_filter=1 +net.ipv4.conf.all.accept_redirects=0 +net.ipv4.conf.all.send_redirects=0 +net.ipv4.conf.all.accept_source_route=0 +net.ipv4.conf.default.rp_filter=1 +net.ipv4.conf.default.accept_redirects=0 +net.ipv4.conf.default.send_redirects=0 +net.ipv4.conf.default.accept_source_route=0 +net.ipv4.conf.lo.accept_redirects=0 +net.ipv4.conf.lo.send_redirects=0 +net.ipv4.conf.lo.accept_source_route=0 +net.ipv4.conf.eth0.accept_redirects=0 +net.ipv4.conf.eth0.send_redirects=0 +net.ipv4.conf.eth0.accept_source_route=0 +net.ipv4.icmp_echo_ignore_broadcasts=1 +net.ipv4.icmp_ignore_bogus_error_responses=1 + +net.ipv6.conf.all.accept_redirects=0 +net.ipv6.conf.all.accept_source_route=0 +net.ipv6.conf.all.router_solicitations=0 +net.ipv6.conf.all.accept_ra_rtr_pref=0 +net.ipv6.conf.all.accept_ra_pinfo=0 +net.ipv6.conf.all.accept_ra_defrtr=0 +net.ipv6.conf.all.autoconf=0 +net.ipv6.conf.all.dad_transmits=0 +net.ipv6.conf.all.max_addresses=1 + +net.ipv6.conf.default.accept_redirects=0 +net.ipv6.conf.default.accept_source_route=0 +net.ipv6.conf.default.router_solicitations=0 +net.ipv6.conf.default.accept_ra_rtr_pref=0 +net.ipv6.conf.default.accept_ra_pinfo=0 +net.ipv6.conf.default.accept_ra_defrtr=0 +net.ipv6.conf.default.autoconf=0 +net.ipv6.conf.default.dad_transmits=0 +net.ipv6.conf.default.max_addresses=1 + +net.ipv6.conf.lo.accept_redirects=0 +net.ipv6.conf.lo.accept_source_route=0 +net.ipv6.conf.lo.router_solicitations=0 +net.ipv6.conf.lo.accept_ra_rtr_pref=0 +net.ipv6.conf.lo.accept_ra_pinfo=0 +net.ipv6.conf.lo.accept_ra_defrtr=0 +net.ipv6.conf.lo.autoconf=0 +net.ipv6.conf.lo.dad_transmits=0 +net.ipv6.conf.lo.max_addresses=1 + +net.ipv6.conf.eth0.accept_redirects=0 +net.ipv6.conf.eth0.accept_source_route=0 +net.ipv6.conf.eth0.router_solicitations=0 +net.ipv6.conf.eth0.accept_ra_rtr_pref=0 +net.ipv6.conf.eth0.accept_ra_pinfo=0 +net.ipv6.conf.eth0.accept_ra_defrtr=0 +net.ipv6.conf.eth0.autoconf=0 +net.ipv6.conf.eth0.dad_transmits=0 +net.ipv6.conf.eth0.max_addresses=1 -- cgit v1.2.3