Primary tabs

2024년 자격증 취득 공부

Bookmark to learn: Login to use bookmarks.

Bookmark to learn: Login to use bookmarks.

Add to collection ... add IT_2024_STUDY to your collections:

Help using Flashcards ...just like in real life ;)

  1. Look at the card, do you know this one? Click to flip the card and check yourself.
  2. Mark card Right or Wrong, this card will be removed from the deck and your score kept.
  3. At any point you can Shuffle, Reveal cards and more via Deck controls.
  4. Continue to reveal the wrong cards until you have correctly answered the entire deck. Good job!
  5. Via the Actions button you can Shuffle, Unshuffle, Flip all Cards, Reset score, etc.
  6. Come back soon, we'll keep your score.
    “Repetition is the mother of all learning.”
  7. Signed in users can Create, Edit, Import, Export decks and more!.

Bookmark to learn: Login to use bookmarks.

Share via these services ...

Email this deck:

Right: #
Wrong: #
# Right & # Wrong of #


리눅스 환경 변수에 빈 함수를 넣으면 그 뒤에 오는 코드는 무조석 실행되는 버그를 이용한 공격
취약점 점검 구문:
$ env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
User-Agent 부분을 Acctacker ip로 리버스 커넥션하게 요청