Security review, what is a firewall? What do firewalls do? Firewall benefits, concepts.
Hands on Configuring the network to be used in later labs, launching various attacks on a target.
Packet filtering, SPI, Proxy, Personal. Software firewalls, hardware firewalls, blade based firewalls, personal firewalls, which firewall should you use? Firewall products.
Hands on Configuring a simple firewall.
- Packet filtering firewalls
Things to filter in the IP header, stateless vs. stateful filtering. ACLs. Advantages of packet filtering.
Hands on Configuring packet filtering firewalls.
- Stateful packet filtering
Stateful algorithms, packet-by-packet inspection, application content filtering, tracks, special handling (fragments, IP options), sessions with TCP and UDP. Firewall hacking detection: SYN attacks, SSL, SSH interception.
Hands on Stateful packet inspection firewalls.
Circuit level, application level, SOCKS. Proxy firewall advantages and disadvantages.
Hands on Proxy firewalls.
The role of personal firewalls, Windows XP, Zonealarm.
Hands on Configuring a personal firewall.
Home based, small office, enterprise, service provider, what is a DMZ? DMZ architectures, bastion hosts, multi DMZ. Virtual firewalls, transparent firewalls. Dual firewall design, high availability, load balancing, VRRP.
Hands on Resilient firewall architecture.
VPNs, IPsec. Firewall configuration of VPNs, integration of dedicated VPN devices and firewalls.
Hands on IPSec VPN configuration.
Configuration checklist, testing procedure, monitoring firewalls, logging, syslog.
Hands on Testing firewalls.