EX413是Red Hat RH413对应的考试，RH413主要涉及Linux主机加固内容。考试大概18题的样子，给两台虚拟机，然后按照各个题目要求进行安全加固配置，考过210分即通过。考完第二天就会收到Red Hat成绩单，效率很高。
Dear xxxx: The results of your EX413 Exam are reported below. Exam Domain Number: 5 Passing score for the exam: 210 Your score: 250 Result: PASS Congratulations -- you have earned the EX413 Certificate.
Objective 1 Identify Red Hat Common Vulnerabilities and Exposures (CVEs) and Red Hat Security Advisories (RHSAs) and selectively update systems based on this information Objective 2 Verify package security and validity Objective 3 Identify and employ standards-based practices for configuring file system security, create and use encrypted file systems, tune file system features, and use specific mount options to restrict access to file system volumes. Objective 4 Configure default permissions for users and use special file permissions, attributes, and access control lists (ACLs) to control access to files Objective 5 Install and use intrusion detection capabilities in Red Hat Enterprise Linux to monitor critical system files Objective 6 Manage user account security and user password security Objective 7 Manage system login security using pluggable authentication modules (PAM) Objective 8 Configure console security by disabling features that allow systems to be rebooted or powered off using bootloader passwords Objective 9 Configure system-wide acceptable use notifications Objective 10 Install, configure, and manage identity management services and configure identity management clients Objective 11 Configure remote system logging services, configure system logging, and manage system log files using mechanisms such as log rotation and compression Log Rotation journal is a component of systemd for logging journalctl is used for viewing the journal log journal only logs in memory or a small ring file in /run/log/journal; to create persistent storage create the directory /var/log/journal Objective 12 Configure system auditing services and review audit reports Objective 13 Use network scanning tools to identify open network service ports and configure and troubleshoot system firewalling References
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