Network Services Management
Linux
| Intermediate
- 15 videos | 1h 2m 8s
- Earns a Badge
Let's look at security as it applies to the networking configuration of a Linux system. Here we examine how to perform security administration tasks, set up host security, and use encryption to secure data.
WHAT YOU WILL LEARN
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describe the function and purpose of shadow passwords
perform the actions to turn off network services that are not in use
configure TCP wrappers to grant or deny access to services on the local system
use commands to audit a system to find files that have the suid or sgig bit set
describe how to set or change a user's password and aging information
use netstat to discover open ports on a system
use nmap to discover open ports on a local or remote system
apply limits to user logins, processes, and memory usage -
identify which users or processes have files opened
identify users who have logged in or who are currently logged into the system
configure and use sudo to run commands with superuser, or root, access as a normal user
configure and use the OpenSSH2 client to securely connect and run commands on another system
describe how the OpenSSH2 server host keys are used to secure communications
perform basic GnuPG configuration, usage, and revocation of keys
use SSH Port Tunnels to tunnel non-secure communications over a secured connection
IN THIS COURSE
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3m 12s
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7m
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3. Using TCP Wrappers to Grant or Deny Access to Services3m 24s
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4. Auditing a System to Find suid/sgid Files3m 47s
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5. Setting or Changing Passwords and Aging Information4m 16s
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6. Discovering Open Ports on a System Using netstat2m 41s
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7. Discovering Open Ports on a System Using nmap4m 5s
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8. Setting Limits on User Logins, Processes, and Resources2m 32s
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9. Determining Which Users or Processes Have Opened Files4m 38s
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10. Finding Users Who Have Logged in or Are Online Now4m 8s
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11. Configuring and Using Sudo4m 23s
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12. Performing Basic OpenSSH2 Configuration and Usage6m 7s
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13. OpenSSH2 Server Host Keys2m 27s
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14. Configuring and Using the GnuPG4m 47s
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15. Using SSH Port Tunnels4m 42s
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