Explore the concept of the DNSSEC. This allows the ability to help secure DNS communcations by using cryptography to allow clients to validate a DNS server.
- [Instructor] Another feature you can use…to help secure DNS has been around for quite a while…at this point, but it's something called DNSSEC.…So DNSSEC, which actually stands for…The Domain Name System Security Extensions,…is pretty much just what it sounds like.…Security extensions on DNS.…This enables DNS zones and all records in the zone…to be signed cryptographically so that…client computers can validate the DNS response.…
DNS is often subject to various attacks,…such as spoofing, cash tampering, and things like that,…and DNSSEC can help protect against these types of threats…and provide a more secure DNS infrastructure.…
Author
Released
2/5/2019- What is Dynamic Host Configuration Protocol (DHCP)?
- Setting up DHCP
- Securing and troubleshooting DHCP
- Configuring a DHCP relay agent
- Deploying Domain Name System (DNS)
- Creating stub zones and reverse lookup zones
- Testing queries
- DNS security
Skill Level Beginner
Duration
Views
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Introduction
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Course organization1m 40s
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1. Dynamic Host Configuration Protocol (DHCP) Overview
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What is DHCP?2m 14s
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Lease generation3m 29s
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Lease renewal3m 38s
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2. Setting Up DHCP
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Install the DHCP server role3m 54s
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Authorize a DHCP server3m 42s
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Create DHCP scopes5m 8s
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Configure DHCP options3m 33s
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Activate a scope3m 7s
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Configure DHCP clients6m 3s
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Configure DHCP reservations5m 13s
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3. Managing DHCP
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Reconcile DHCP scopes2m 36s
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Database statistics3m 28s
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Secure DHCP5m 39s
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Troubleshoot DHCP3m 55s
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4. DHCP Advanced Features
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Configure DHCP failover5m 9s
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Manage DHCP failover4m 2s
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DHCP in a routed environment2m 26s
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Configure a DHCP relay agent4m 22s
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Test relay agent3m 36s
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5. Deploying DNS (Domain Name System)
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DNS client configuration3m 59s
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6. DNS Zones
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Configure zone transfers4m 43s
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Create reverse lookup zones2m 40s
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7. DNS Resource Record Types
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Alias (CNAME) record3m 2s
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Mail exchanger (MX) record3m 28s
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8. Name Resoution
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DNS queries4m 10s
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Testing queries2m 12s
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DNS cache3m 19s
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Forwarding2m 31s
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Conditional forwarding3m 28s
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Caching only DNS servers3m 26s
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9. DNS Security
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DNS cache locking2m 32s
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DNS socket pool1m 18s
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Conclusion
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Next steps19s
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Video: DNS security extensions