Firewalls and network devices are on the front lines of security and their logs contain important information for security professionals. These logs are useful when investigating security incidents, troubleshooting network issues, and monitoring for suspicious activity. In this video, learn the importance of collecting and analyzing network device log files.
- [Narrator] Firewalls and network devices are on the…front lines of security.…And their logs contain important information…for security professionals.…These logs are useful when investigating security incidents,…troubleshooting network issues and monitoring…for suspicious activity.…Firewall logs are one of the richest possible…sources of information.…When configured properly, firewalls create log entries…for each and every connection attempted on a network.…Whether it was allowed or denied.…
The log entry contains quite a bit of useful information,…including details about the attempted connection,…including the source and destination ports and IP addresses,…a timestamp indicating when the connection took place,…and the identity of the firewall rule that either…authorized or denied the connection.…Let's think about some scenarios when these logs…might be very useful.…First, in the aftermath of a security incident,…the logs may show all of the connections attempted…on a network.…
This likely includes the connections used…
Note: This course is part of a series releasing throughout 2018. A completed learning path of the series will be available once all the courses are released.
- How IP addresses are assigned and managed
- Multilayer protocols
- VPNs and VPN concentrators
- Designing secure networks
- Firewall management techniques
- Maintaining network availability
- Software defined networking (SDN)
- Port isolation
- Network attacks
- How Wi-Fi networks function
- WPA, WPS, and propagation attacks
- Host-based network security control
Skill Level Advanced
Insights from a Cybersecurity Professionalwith Mike Chapple32m 15s Appropriate for all
1. TCP/IP Networking
2. Network Security Devices
3. Designing Secure Networks
4. Specialized Networking
5. Secure Network Management
6. Virtualized Networks
Port isolation1m 47s
7. Network Attacks
8. Transport Encryption
9. Wireless Networking
10. Host Security
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