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January 2006

Secure communications

Secure communications By Juergen Schneider Everyone knows a firewall between the intranet and Internet is a good idea, but did you know that barriers inside the network also serve an important function? This tip, excerpted from Dr. Juergen Schneider's "SAP System Security for the Intranet and Internet" in the Jan/Feb/Mar 2001 issue of SAP Insider, covers ways that you can secure a network to protect data from internal as well as external attacks. A well-designed network features different protection zones and only a very few well-known and protected transitions between these zones. To get from one zone to another, communication traffic has to pass through a firewall system. Nowadays, everybody expects a firewall between a company's intranet and the public Internet. Fewer people recognize the value of firewalls inside the corporate network, separating mission- critical SAP applications and database servers from the hundreds and thousands of PCs and user workstations in the client network. How sure are you about the intentions of ...

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Features in this issue

  • Mining NetFlow

    Your routers and switches can yield a mother lode of security information about your network--if you know where to dig

  • Help From Above

    Security managers are looking to the keepers of the Internet cloud for relief.

  • Secure communications

    by  Dr. Juergen Schneider

    This tip covers ways that you can secure a network to protect data from internal as well as external attacks.

Columns in this issue

SearchCloudSecurity

SearchNetworking

SearchCIO

SearchConsumerization

SearchEnterpriseDesktop

SearchCloudComputing

ComputerWeekly

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