From the course: Protecting Your Network with Open Source Software
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Logging
From the course: Protecting Your Network with Open Source Software
Logging
- [Instructor] Logging goes hand in hand with monitoring. Monitoring your network can be done in real time or after the fact. Logging is necessary for after the fact monitoring. It establishes an audit trail, which is often mandated. There are many sources of logs. For example, all the hosts in your network generate logs. The host here refer to computers, routers, firewalls, IDSs, IPSs, servers, et cetera. Any devices connected to your network can generate these log messages. Therefore, there are overwhelming sources of logging, which creates a need for forwarding the logs to a centralized log server where you can monitor all the logs simultaneously. As you can see here, a centralized log server collects all these log messages from individual hosts in your network. Logging is important, but if nobody analyzes the logs, it's good for nothing. This is why logging is usually combined with a feature such as alerts,…
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