How do Linux system logs work?

Linux operating system logs contain multiple log files with detailed information about the events that happen in the network. Every action performed on your server can be traced with the logs, including kernel events, login attempts, user actions, and more. You can find the logs on your Linux system under the /var/log directory. The directory will contain operating system, service, and application logs running on the system. Here are some of the important log files that should be monitored: /var/log/auth.log : Contains failed and successful authentication attempt details. /var/log/wtmp.log : Contains login, logout, and reboot information. /var/log/lastlog.log : Contains timestamped login details of each user on the system.

Why is Linux log auditing and reporting important?

Real-time log audits and reports of network activities can help network administrators find anomalies in network events as soon as they happen. This will not only help you overcome operational and security bottlenecks but also effectively prevent cyberattacks in the network. Reporting can also help organizations meet regulatory compliance and internal audit requirements easily.

What will EventLog Analyzer monitor in Linux logs?

EventLog Analyzer, a comprehensive syslog management solution, monitors all logs to maintain a secure Linux environment. It tracks the following actions in Linux systems: Login and logoff activities: Tracks all logons and logoffs, including individual methods for logging on such as SU, SSH, and FTP logons. Failed login attempts: Tracks all the failed login attempts and reveals users with most failed attempts and consecutive authentication failures. User account management: Discovers and tracks all user accounts and groups that have been added, removed, or renamed. Removable disk auditing: Audits the use of removable devices on Linux systems. Sudo commands: Tracks all the successful, failed, and frequently used sudo commands. Linux mail server activities: Monitors email server usage patterns; trends associated with sent and received emails; and error messages like mailbox unavailable, insufficient storage, bad sequence of commands, and more. Linux system events: Tracks important system events, including stopping and restarting of syslog services, low disk space, and executions of the yum command. Other events: Tracks FTP activities, successful and denied network file system mounts, cron jobs, errors, security threats, and more.

Linux 审计与报告

利用EventLog Analyzer中提供的报告模板和自定义报告生成器，满足您组织各种监管要求和内部审计政策的IT合规性需求。它包含100多个预定义的Linux系统报告，包括服务器错误、服务器使用情况和安全报告。您可以自定义、安排和导出这些现成报告，以满足您的需求。

通过日志关联跟踪和分析关注的安全事件

利用EventLog Analyzer的事件关联引擎，关联并分析来自Linux系统的关键事件。该解决方案包含30多条预设关联规则，旨在检测常见的网络攻击，如暴力破解攻击、SQL注入、账户锁定、Web服务器攻击等。它还配备了自定义拖放式关联构建器，允许您配置特定于网络的规则。强大的日志搜索引擎提供基础和高级搜索选项，帮助快速定位恶意日志条目以减轻攻击。

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