Join Mike Meyers for an in-depth discussion in this video Access control, part of CompTIA Network+ (N10-006) Cert Prep: 7 Managing the Network.
- For most of us our gateway router is also our firewall.…Now a firewall by definition is software…that's designed to protect our system…from the evils of the internet.…So we really have two kinds of firewalls to deal with.…There are stateless firewalls,…and there are stateful firewalls.…Stateless firewalls are firewalls…that you pretty much just turn on.…They're designed to actually look…at whatever packets are coming in,…and then make decisions on it.…For example, if it sees one ICMP packet coming in,…it's probably gonna ignore it.…
But if sees a lot,…that's gonna tell it that something bad is happening,…so that's why it's called stateless.…A stateful firewall is looking at the state of every packet.…It's looking for an IP address or a port,…something to block or something to allow.…So, on this particular router I've got right here,…we can actually do both stateful and stateless,…let me show 'em both to you.…All right, to setup the firewall on this particular router,…it's got this Firewall tab.…Now, what I wanna look at first…
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Skill Level Intermediate
1. Managing Risk
2. Protecting Your Network
3. Network Monitoring
4. Network Troubleshooting
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