https://secscan.acron.pl/ 2026-08-31T09:45:44+00:00 https://secscan.acron.pl/ https://secscan.acron.pl/lib/tpl/bootstrap3/images/favicon.ico text/html 2017-05-04T17:35:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://secscan.acron.pl/centos7/3/6/1?rev=1493912136&do=diff 3.6.1 Ensure iptables is installed (Scored) Profile Applicability Description iptables allows configuration of the IPv4 tables in the linux kernel and the rules stored within them. Most firewall configuration utilities operate as a front end to iptables text/html 2017-05-04T17:36:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://secscan.acron.pl/centos7/3/6/2?rev=1493912162&do=diff 3.6.2 Ensure default deny firewall policy (Scored) Profile Applicability Description A default deny all policy on connections ensures that any unconfigured network usage will be rejected. Rationale With a default accept policy the firewall will accept any packet that is not configured to be denied. It is easier to white list acceptable usage than to black list unacceptable usage. text/html 2017-05-04T17:37:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://secscan.acron.pl/centos7/3/6/3?rev=1493912234&do=diff 3.6.3 Ensure loopback traffic is configured (Scored) Profile Applicability Description Configure the loopback interface to accept traffic. Configure all other interfaces to deny traffic to the loopback network (127.0.0.0/8). Rationale Loopback traffic is generated between processes on machine and is typically critical to operation of the system. The loopback interface is the only place that loopback network (127.0.0.0/8) traffic should be seen, all other interfaces should ignore traffic on … text/html 2017-05-04T17:37:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://secscan.acron.pl/centos7/3/6/4?rev=1493912256&do=diff 3.6.4 Ensure outbound and established connections are configured (Not Scored) Profile Applicability Description Configure the firewall rules for new outbound, and established connections. Rationale If rules are not in place for new outbound, and established connections all packets will be dropped by the default policy preventing network usage. text/html 2017-05-04T17:38:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://secscan.acron.pl/centos7/3/6/5?rev=1493912324&do=diff 3.6.5 Ensure firewall rules exist for all open ports (Scored) Profile Applicability Description Any ports that have been opened on non-loopback addresses need firewall rules to govern traffic. Rationale Without a firewall rule configured for open ports default firewall policy will drop all packets to these ports.