Firewall Administration
(Essential Training)
In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a barrier between a trusted internal network and untrusted external network, such as the Internet.
Topics Cover In This Course
Introduction:
- Course Introduction
- Course organization
- What should you know
- Planning an IPv4 address scheme
- Understanding Reverse Proxy
- Understanding DMZ's
- Understanding bandwidth needs
- Client side vs. network firewalls
- Backup any existing configuration
- Reset to factory defaults
- Firewall initial configuration
- Firewall configuration, continued
- Testing and validating initial config
- Setting up a virtual IP
- Understanding network address translation (NAT)
- Automatic NAT
- Manual NAT
- Configuring static ports
- 1 to 1 NAT
- NAT port forwarding
- Understanding DHCP
- DHCP relay
- Reconfiguring IPv4 DHCP
- Static DHCP reservations
- Understanding traditional firewalls
- Understanding protocols
- Configuring schedules to use with rules
- Configuring allow rules for APNS
- Configuring deny rules to block file sharing
- Learn about traffic shaping
- Understanding the qACK queue
- Measuring performance before shaping it
- Promote VOIP using HFSC
- Tweaking an HFSC queue
- Promote game traffic
- Promote application specific traffic
- Penalizing hosts and traffic
- Configuring an IP alias
- Configuring a port alias
- Creating a rule to use an alias
- Scheduling game system down time
- Building traffic limiters
- Assign traffic to a Limiter in a firewall rule
- Configure UPnP and NAT-PMP for wueues
- Further reading
That Is All
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