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ȯ簡 NAC

Է : 2009-11-30 16:01
̽ Ʈ ̹  īī 丮 ̹ α
NAC ɰ ȯ Ȯ ľϰ ؾ

NAC ȣ ߵ پ ¿ ǰ Ǿ ־ ǰ з پ ⺻ ٰ ִ. پ ǰ ۿ ϱ Ʊ NAC 𵨷 򰡵ǰ ִ Network Based NAC ַ ˾ƺ.


ȣ NAC(Network Access Control) , ʿ伺 ǰ з  ˾ƺҴ. ٽ ѹ ϸ NAC ܸ , ȹ , Ʈũ , å ؼ(Compliance) ͸ ȯ Ʈũ ̴ַ.

Ʒ ׸1 䵵 Gartner 𵨷 NAC Ѵ ִ ڷ̴. ̹ ȣ NAC ϴµ ־ ˻, μ μ  å ؾ ϴ ؼ ϰ ϸ 帧 Gartner 𵨿 ʸ ΰ ִ.

NAC ȣ 뿡 ҵ پ ¿ ǰ Ǿ ־ ǰ з پ ʿ ⺻ ٰ ְ پ ǰ ϱ Ƿ ̹ 翡 NAC 𵨷 򰡵ǰ ִ Network Based NAC ַ ڴ.


NAC

NAC Ϸ NAC Ȯ ϰ Ʈũ ȯ ľ ϴ ߿ϴ. ׷ Ʈũ üؾ ϴ ں ߻ ִ. Ϲ NAC ý ׸ 2 μ ϰ ȴ.

Ư NAC ý ϴµ ־ ߿ κ ȯ ̴. Ʈũ ߸ ľ߰ų Client ȯ濡 ȯ翡 Ȯ ľϰ Ǹ NAC Ǵ Ʈũ ߴ ʷ ִ ߱ ִ. ȯ ݵ 湮Ͽ NAC üũƮ ȯ ľؾ Ѵ.

NAC ˻

NAC ؼ ȯ ʼ̴. üũƮ Ͽ ʿ ׸ ̰ 湮 ؾ Ѵ.

  • ϴ NAC ǰ Ʈũ
  • ġ ý  ý
  • Ʈũ ߴ ִ
  • NAC ϴ Ʈũ ߿ ġ ʿ
  • Multiple Network Vendor ǰ 
  • VoIP
  • Client ȯ濡 ߰ ߿Ұ ִ
  • ܸ ϴ
  • ̱ Ʈũ ȯ
  • ־ü 湮 󸶳
  • Ʈũ 3-Tier 2-Tier ʿ

NAC ġ ȯ濡 ں ϴ 찡 ߻ϸ ġ ġ ؾ ɰ ̰ ߻ϰ ǰ ֽ ߻Ǵ ıȿ å ݵ ؾ Ѵ.

ȯ ܰ踦 NAC ý ϰ Ǹ NAC ýۿ ܸġ ؾ Ѵ. NAC ϴ ָ Ʈũ ܸġ  Ʈũ ȣ̹Ƿ ȣ Ȯ зϿ λ, ܺ¾ü, 湮 Ʈũ  ؾ Ѵ.

NAC ȿ ϵǸ NAC Ʈũ ȿ ȣ ġ ϰ ش Ͽ Һ зϰ ȴ.

ܸġ ĺ ϷǸ NAC ܸġ ڿ ۾ Ѵ. ⼭  ýۿ м ʿϴ. NAC ý ǰ ý۰ ȣȯ Ǵ ߰ ʿ ֱ ̴.

ؿܿ AD(Active Directory) Ϲ ǰ ϰ ʰ ġ ϰ ִ ִ. AD , LDAP Ǵ 802.1x ʿ 쿡 NAC ý۰ ⺻ Ǿ Ѵ. NAC ü ýۿ Plug-in ϱ⵵ ϰ ߰ ʿ Ƿ ǰ Ǵؾ ̴.

Ư 802.1x Port Based Authentication ǥȭ Protocol̰ Ʈũ ġ(End Point ӵǴ) AP(Access Point) ϴ ̴. ܸġ Supplicant(α׷) ݵ ġǾ ϰ Ŀ μ IP ִٴ ű Supplicant ( ü ȵ), ʴ ܸ , ϳ ƯƮ Ʈ ϴ Non 802.1x ġ ü ϰ Ǵ 鵵 Ƿ Ǵؾ κ̴.

NAC å

NAC Ǵ å Ʈũ , Ʈũ , ܸġ Ἲ, ö̾𽺷 ũ з ִ. ɵ иǾ ۵Ǵ ƴ϶ ϵ Ǿ ִ. NAC å ڿ پ · Ͽ ִ (Flexibility) ؾ Ѵ.

Ϻ NAC ǰ Binary · å ֵ Ǿ ִµ ̴ Ͽ 꼺 ڿ ȥ ų ִ ִ. ؾ ⺻ å ؼ ϸ .


Network Access Control(Ʈũ )

  • OS&Non-OS ġ и ĺ
  • 湮ڰ Ʈũ ϴ ش ġ Ž ̷?? Ǽڵ忡 ʾҴ
  • ȭ , ݸ ġ VLAN ġ, ġ Ʈ 湮ڿ ڿ
  • å ؼ õϰ 湮 뱸 ġ
  • IP Ͽ Ͼ ʵ ġ
  • 湮ڰ ʿ ѿ Ʈũ Ȱ ֵ μ (IP, MAC, Hostname, Active Directory, Radius )
  • 湮 Һ ġ , å ġ
  • ġ ͸ Ͽ å ؼ
  • ¾ü ̶ ϴ μ ſ Ȯ
  • Virtual F/W(ȭ) å Һ ο ־ ѿ Ʈũ

Network Threat Control(Ʈũ )

  • ARP Ǫο Ž å
  • IPS ZeroDay Ž Ʈ
  • ġκ ϱ ġ ġ Ʈ Disable, Ʈ ϴ ƯƮ , ġ ݸ VLAN ̵ ġ, Ʈũ ߴ ǻ ó
  • м ŽϿ ݸ VLAN ̵, ش ġ ȭ鿡 뺸, ȭ IP ƴ ڸ , ġ Ʈ Disable Ʈũ
  • P2P/Messenger , 丮 , Dual Network

ܸġ Ἲ

  • پ Client(Windows, Linux, Macintosh, Mobile OS, Workstation ) ġ ν, ĺ ڻ å
  • OS/α׷ ġ ġ ݸ ޽ 뺸
  • پ ý ġ ݸ ޽ 뺸
  • ӽ å
  • ġ α׷ , ,
  • ũ ̹ ȣ
  • ܺ ġ ü (USB, Bluetooth, DVD/CD-ROM, PDA, PCMCIA )

ö̾

  • 系 ȣ ü ȿ ؼ
  • ȣ ̵ ȿ ؼ
  • PCI-DSS, SOX, ISO 27001 ȿ ؼ ü ؼ

å ϴµ ־ Client/Clientless å ٸ ְ ִ. Client ܸġ κ å Ǵ ̰ Clientless NAC ö̾𽺿 å ϴ ִ. Client ֱ ġ, ֹ߻ HelpDesk ߻ Ƿ ؾ ̴.

å NAC å Ⱓ Listen Only(ùķ̼) 带 Normal ϰ ȴ. ߸ å ٷ Ͽ Ʈũ ݿ ģ ʷϰ ǹǷ IT μ ȿ ʿ κ̴. NAC å Ϸ Ŀ NAC ϴ End-Point ʿ伺 ȿ ٽ ѹ ϰ ̴.


NAC

NAC ñ ַ ǰ ̴. ׷ NAC ǰ Ư ʷ ִ.

ڿԴ Ʈũ ܸ⸦ ִ ַ ڿԴ å Ʈũ ϴ ܸġ ø ް ִٴ ظ ִ κ ִ. ڿԴ ִ ģϰ ٰ ִ(  å ݵǾ ޽ ǽð ִ Action ) å ʿϰ ܰ ܰ躰 å ʿϴ.

鿡 ֱ α ˰ å ֽ ŷ ݵ鿡 ֵ ɰ Ǹ ← Ѵ. ַǰ NAC ϸ ƴ϶ ɰ ִ ȿ ֱ ̴.

NAC ˻ ϸ鼭 NAC ڵ鿡 DZ⸦ ٶ. ȣ NAC ֱ  ˾ƺڴ.

< : ڿö Ʈ Director(pyc@foresight.co.kr)>


[ ȣ21c 112ȣ(info@boannews.com)]

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