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Proposed Web ArchitectureProposed Web ArchitectureDecember 10, 2002
Eric Marshall
OverviewOverview
Network/Server InfrastructureLegacy Perimeter Network
Perimeterrouter
Internal Network
• Screened-Host Architecture• Exposed Bastion Hosts for
web and ftp services Firewall
Bastion Hosts
Network/Server InfrastructureNew Perimeter Network
Perimeterrouter
Bastion Hosts
Internal Network
• Screened-Net Architecture• If Bastion Hosts are
compromised, the internal network is still protected
• Cisco Pix Firewall– Best price/performance– Best compliments pre-existing
architecture
Pix router
Perimeter Network
Firewall
FeedbackFeedback
Proposed Web ArchitectureProposed Web Architecture
NOAA Confidential
Proposed FTP Architecture
Perimeterrouter
www.gfdl.noaa.gov
Internal Network
Pix router
Perimeter Network
Firewall
Intranet.gfdl.noaa.gov
• ~user/public_html
• ~user/intranet_html
Proposed FTP ArchitectureProposed FTP Architecture
NOAA Confidential
• Projects not directly related to NOMADS on the data1.gfdl.noaa.gov web server will be migrated to this architecture.
NOMADS Update
Web Page Look/FeelWeb Page Look/Feel