시스템 보안
1) 시스템 보안 개요
시스템 보안의 목표는 다음과 같다. 첫째, 부적절한 노출을 방지함으로서 비밀성을 보장하고, 둘째, 부적절한 서비스 거부시킴으로서 방지가용성을 확보하며, 셋째, 부적절한 변경방지를 통해 무결성을 확보하며, 넷째, 사용자의 식별과 인증을 확보하는 것이다.
21세기의 문턱에서 있는 이 시점이 첨단 정보 시굴 시대이며 컴퓨터 혁명 시대라는 점은 우리가 이미 주지하고 잇는 사실이다. 사실상 컴퓨터 기술은 이제 단순한 과학의 차원을 넘어 정치, 경제, 사회, 문화, 군사 등 여러 영역에 걸쳐 엄청난 영향을 미치고 있다. 비슷한 일례로 1991년 걸프전에 예에서
horse, traps and other truck
that went with being a mountain man.
And said good-bye
to whatever life was down below.
Where is it l could find bear, beaver,
other critters worth cash skinned?
Ride due west as the sun sets.
Turn left at the Rocky Mountains.
This heres his story.
Jeremiah Johnson
Made his way into the mountains
Betting on forgetting
All the troubles that he knew
The trail was wide a
trapped in the past
This is a must
What I do remember is not the day,
but clouds
The sad feelings emerged
when summer came to the end
I dont want to be sad, thats why
sometimes I smile without reason
So, smile
How are you?
How are you?
- How are you?
Can I take apples for the horse?
- Yes
How are you?
- How are you?
Do you know her?
Who?
The girl who went outjust now
The girl lives below the towe
horse-dancer. She likes
sportsmen who cry from disappointment.
She doesnt like it when a man is humiliated in front of his kid.
The tobacconist is Georgette, the hypochondriac.
When its not a migraine, its the sciatic nerve thats trapped.
She doesnt like to hear
"le fruit de vos entrailles est bni."
This is Gina, Amlies colleague, granddaughter of a healer.
She likes to crack her fingers.
Here