Join Sean Colins for an in-depth discussion in this video VM Port Forwarding, part of Linux: Firewalls and SELinux.
- [Instructor] You may have noticed…as I'm flipping between screens, that we are actually…recording this course using a couple of VMs…that are hosted here in Oracle's VirtualBox Software.…I wanted to point out that if you are doing…all of this stuff and you're going…a little bit beyond the scope of the class,…and you're actually testing these services…against services that you have installed…on your server in a VM,…then you're setting up your firewall,…and that's all fantastic, but you may have…your particular firewall set up so that your interface…on your virtual machine is in that trusted zone.…
Everything's supposed to be going through and nothing is.…I just wanted to talk about why that might be…in a troubleshooting sort of state here.…If you click on Settings, if you're in a virtual machine,…and this is only in the Oracle VirtualBox Software,…if you're using a VM with other software,…those paradigms will all be shifting around and different.…I'm just basically telling you what we would do here.…You go to Network, and we have our adapter one,…
- Working with iptables
- Installing Firewalld
- Exploring zones and services
- Allowing the Apache web server
- Allowing FTP and SFTP servers
- Installing SELinux utils
- Setting discretionary or mandatory access
- Installing SELinux man pages
- Working with Booleans
- Changing context labels
- Running sepolicy
- Finding SELinux logs
- Making domains permissive
- Disabling and reenabling SELinux
Skill Level Intermediate
Linux: Multitasking at the Command Linewith Scott Simpson39m 1s Intermediate
1. Firewall Basics on Linux
2. Configuring Firewalld for Local Protection
3. SELinux Fundamentals
4. Working with SELinux
5. SELinux Troubleshooting
Next steps3m 4s
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