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Potions of Protection

Potions of Protection. Server Security. What does that do again?. Familiarity Differing levels of protection Low, does not exist Medium, No private data High, Server the contain private data that needs extraordinary measures of protection HIPPA, FERPA, Act, Credit Card data, GLB

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Potions of Protection

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  1. Potions of Protection Server Security

  2. What does that do again? • Familiarity • Differing levels of protection • Low, does not exist • Medium, No private data • High, Server the contain private data that needs extraordinary measures of protection • HIPPA, FERPA, Act, Credit Card data, GLB • What is a server? • Common share point w/ files, images, web-based services

  3. Ingredients for Protection Potions • Defense • Firewalls • Host Hardening • Secure Communications • Physical Security • Monitoring • Network Monitoring • Host Monitoring • Discovery • Forensics

  4. Defense! Defense! • Firewall • 3 ways to deploy • Securing Concepts • Remote Administration • Linux SSH, nonstandard port • Windows RDP, no connections to/from public internet • Ethereal http://www.ethereal.com/

  5. Defense • Host Hardening • Authentication and Account management • Install and Patch OS • Update.microsoft.com, http://sunsolve.sun.com/http://www.redhat.com/apps/support/updates.html • Install Anti-virus • Do we need that? • Netstat –aonbv • TcpView http://www.microsoft.com/technet/sysinternals/utilities/tcpview.msapx. • Netstat -aopl • Access Control • Controlling Services • Autorun http://www.microsoft.com/technet/sysinternals/utilities/autoruns.mspx • Init and inetd daemons • find /var -iname "*cron*"

  6. Services to Disable

  7. Services to Review

  8. Defense • Secure Connections • Encrypt that message! • Disk Encryption

  9. Monitoring • Network Monitoring • Ethereal, Wireshark • Netstat

  10. Monitoring • Host Monitoring • File Integrity Checks • Afick, Another file Integrity Checker • AIX, Linux, Windows • Aide, Advanced Intrusion Detection Environment • Shipped with Fedora 3, 4, 5 • Log Monitoring • Logwatch

  11. Discovery • Forensics • http://www.foundstone.com/us/resources-free-tools.asp

  12. Extra Credit • Review trusted relationships • Review FTP Configurations • Avoid running web servers as root and remove all sample scripts • Strong Encryption • PGP, SSH, SSL • Non-Routed IPS

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