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When You Are Logged Out After Logging In: Steps to Check the Domain, Path, and Secure Attributes of Cookies

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1. 둜그인 성곡 ν™”λ©΄λ§ŒμœΌλ‘œλŠ” λΆ€μ‘±ν•©λ‹ˆλ‹€

둜그인 λ²„νŠΌμ„ λˆŒλ €κ³  성곡 λ©”μ‹œμ§€λ„ λ‚˜μ™”λŠ”λ° λ‹€μŒ νŽ˜μ΄μ§€μ—μ„œλŠ” λΉ„νšŒμ›μœΌλ‘œ ν‘œμ‹œλ  수 μžˆμŠ΅λ‹ˆλ‹€. μ„œλ²„κ°€ μΏ ν‚€λ₯Ό λ°œκΈ‰ν•˜μ§€ μ•Šμ•˜κ±°λ‚˜ λΈŒλΌμš°μ €κ°€ μ €μž₯ν•˜μ§€ μ•Šμ•˜μ„ μˆ˜λ„ 있고, λ‹€μŒ μ£Όμ†Œλ‘œ μΏ ν‚€λ₯Ό 보내지 μ•Šμ•˜μ„ μˆ˜λ„ μžˆμŠ΅λ‹ˆλ‹€. μΏ ν‚€λŠ” λ„μ°©ν–ˆμ§€λ§Œ μ„œλ²„κ°€ μ„Έμ…˜μ„ μ°Ύμ§€ λͺ»ν•˜λŠ” κ²½μš°λ„ μžˆμŠ΅λ‹ˆλ‹€.

이 글은 이 단계λ₯Ό μˆœμ„œλŒ€λ‘œ λ‚˜λˆ„λŠ” 진단 λ°©λ²•μž…λ‹ˆλ‹€. μ‹€μ œ κ³„μ •μœΌλ‘œ μ‹€ν—˜ν•˜κΈ° 전에 ν…ŒμŠ€νŠΈ 계정과 개발 ν™˜κ²½μ„ μ€€λΉ„ν•˜μ„Έμš”. μΏ ν‚€ κ°’ 자체λ₯Ό μΊ‘μ²˜ν•΄ κ³΅κ°œν•  ν•„μš”λŠ” μ—†μŠ΅λ‹ˆλ‹€. 이름과 적용 λ²”μœ„, 만료 μ‹œκ°, 차단 μ‚¬μœ λ§ŒμœΌλ‘œλ„ 문제λ₯Ό μ’νžˆλŠ” 데 도움이 λ©λ‹ˆλ‹€.


2. 첫 λ‹¨κ³„λŠ” 둜그인 μ‘λ‹΅μ˜ Set-Cookieμž…λ‹ˆλ‹€

λΈŒλΌμš°μ € 개발자 λ„κ΅¬μ˜ Network νƒ­μ—μ„œ 둜그인 μš”μ²­κ³Ό 이동 응닡을 ν™•μΈν•©λ‹ˆλ‹€. Set-Cookieκ°€ μ–΄λŠ 응닡에 λΆ™μ—ˆλŠ”μ§€ λ¨Όμ € μ°ΎμŠ΅λ‹ˆλ‹€. μ΅œμ’… νŽ˜μ΄μ§€μ˜ ν—€λ”λ§Œ 보면 쀑간 μ΄λ™μ—μ„œ λ°œκΈ‰λœ μΏ ν‚€λ₯Ό 놓칠 수 μžˆμœΌλ―€λ‘œ ν•„μš”ν•˜λ©΄ μš”μ²­ 기둝을 λ³΄μ‘΄ν•©λ‹ˆλ‹€.

헀더가 μ—†λ‹€λ©΄ μ• ν”Œλ¦¬μΌ€μ΄μ…˜μ˜ μΏ ν‚€ μ„€μ • μ½”λ“œμ™€ ν”„λ‘μ‹œ μ²˜λ¦¬λΆ€ν„° ν™•μΈν•©λ‹ˆλ‹€. μ„œλ²„ λ‘œκ·Έμ—μ„œ λ°œκΈ‰ν–ˆλ‹€κ³  기둝됐어도 쀑간 μ„œλΉ„μŠ€κ°€ 헀더λ₯Ό λ°”κΎΈκ±°λ‚˜ μ œκ±°ν•  수 μžˆμŠ΅λ‹ˆλ‹€. λ‹€λ§Œ 이번 글은 νŠΉμ • CDN 섀정이 원인이라고 λ‹¨μ •ν•˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€. 원본 응닡과 λΈŒλΌμš°μ €κ°€ 받은 응닡을 비ꡐ할 수 μžˆμ„ λ•Œ 차이λ₯Ό ν™•μΈν•˜μ„Έμš”.


3. μ €μž₯ λ²”μœ„μ™€ 전솑 λ²”μœ„λŠ” 속성이 κ²°μ •ν•©λ‹ˆλ‹€

Domain은 μΏ ν‚€κ°€ 적용될 호슀트 λ²”μœ„μ— 영ν–₯을 μ£Όκ³  PathλŠ” μš”μ²­ 경둜 λ²”μœ„μ— 영ν–₯을 μ€λ‹ˆλ‹€. 속성을 μƒλž΅ν–ˆμ„ λ•Œμ˜ κΈ°λ³Έ λ™μž‘λ„ μ€‘μš”ν•©λ‹ˆλ‹€. 예λ₯Ό λ“€μ–΄ νŠΉμ • κ²½λ‘œμ—λ§Œ μ μš©λ˜λŠ” 쿠킀라면 λ‹€λ₯Έ νŽ˜μ΄μ§€μ—μ„œ 보내지지 μ•Šμ„ 수 μžˆμŠ΅λ‹ˆλ‹€. μ„œλΉ„μŠ€κ°€ μ—¬λŸ¬ 호슀트λ₯Ό μ“°λŠ”μ§€ ν•¨κ»˜ ν™•μΈν•˜μ„Έμš”.

SecureλŠ” λ³΄μ•ˆ μ—°κ²°μ—μ„œμ˜ 전솑 쑰건이며 HttpOnlyλŠ” JavaScript의 접근을 μ œν•œν•©λ‹ˆλ‹€. HttpOnly μΏ ν‚€κ°€ document.cookie에 보이지 μ•ŠλŠ”λ‹€κ³  μ €μž₯ μ‹€νŒ¨λ‘œ νŒλ‹¨ν•˜λ©΄ μ•ˆ λ©λ‹ˆλ‹€. SameSiteλŠ” λ‹€λ₯Έ μ‚¬μ΄νŠΈμ™€μ˜ μš”μ²­ κ΄€κ³„μ—μ„œ 전솑에 영ν–₯을 μ€λ‹ˆλ‹€. 같은 μ‚¬μ΄νŠΈμ™€ 같은 origin의 ꡬ뢄도 μ€‘μš”ν•˜λ―€λ‘œ μ„œλΈŒλ„λ©”μΈμ΄λΌλŠ” 이유만으둜 λͺ¨λ“  λΈŒλΌμš°μ € 정책이 κ°™λ‹€κ³  보지 λ§ˆμ„Έμš”.


4. λΈŒλΌμš°μ €μ—μ„œ μ„Έ κ°€μ§€ 화면을 λŒ€μ‘°ν•©λ‹ˆλ‹€

Networkμ—μ„œλŠ” Set-Cookie λ°œκΈ‰κ³Ό λ‹€μŒ μš”μ²­μ˜ Cookie 전솑을 ν™•μΈν•©λ‹ˆλ‹€. Application의 Cookiesμ—μ„œλŠ” μ‹€μ œ μ €μž₯된 이름, Domain, Path, Secure, SameSite, 만료 정보λ₯Ό ν™•μΈν•©λ‹ˆλ‹€. Issuesλ‚˜ μΏ ν‚€ 차단 μ•ˆλ‚΄κ°€ μžˆλ‹€λ©΄ κ·Έ μ‚¬μœ λ„ κΈ°λ‘ν•©λ‹ˆλ‹€. 도ꡬ 이름과 μœ„μΉ˜λŠ” λΈŒλΌμš°μ € 버전에 따라 λ‹¬λΌμ§ˆ 수 μžˆμŠ΅λ‹ˆλ‹€.

같은 μ΄λ¦„μ˜ μΏ ν‚€κ°€ μ„œλ‘œ λ‹€λ₯Έ Domainμ΄λ‚˜ Path둜 쀑볡 μ €μž₯λλŠ”μ§€λ„ ν™•μΈν•˜μ„Έμš”. μ„œλ²„κ°€ μ˜λ„ν•˜μ§€ μ•Šμ€ 값을 μ½λŠ” 상황이 생길 수 μžˆμŠ΅λ‹ˆλ‹€. 문제λ₯Ό μž¬ν˜„ν•œ λ’€ ν…ŒμŠ€νŠΈ ν™˜κ²½μ˜ μΏ ν‚€λ₯Ό μ§€μš°κ³  ν•œ 번 더 λΉ„κ΅ν•˜λ©΄ 였래된 κ°’μ˜ 영ν–₯을 ꡬ뢄할 수 μžˆμŠ΅λ‹ˆλ‹€. 운영 μ‚¬μš©μžμ˜ λͺ¨λ“  μΏ ν‚€λ₯Ό 일괄 μ‚­μ œν•˜λŠ” 방식은 λ¨Όμ € κΆŒν•˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€.


5. 헀더 λ¬Έμžμ—΄ μ‹€μŠ΅κ³Ό κ²€μ¦μ˜ ν•œκ³„

μ•„λž˜ μ½”λ“œλŠ” Python으둜 μΏ ν‚€ 속성 λ¬Έμžμ—΄μ„ μ½λŠ” μž‘μ€ μ‹€μŠ΅μž…λ‹ˆλ‹€. μž„μ˜μ˜ demo 값을 μ‚¬μš©ν•˜λ©° μ‹€μ œ 둜그인 μ„Έμ…˜μ„ λ°œκΈ‰ν•˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€. 좜λ ₯이 κΈ°λŒ€ν•œ 속성과 같은지 ν™•μΈν•˜λ©΄ 속성 이름을 μ½λŠ” μ—°μŠ΅μ΄ λ©λ‹ˆλ‹€. κ·ΈλŸ¬λ‚˜ λΈŒλΌμš°μ €κ°€ 이 μΏ ν‚€λ₯Ό λ°›μ•„λ“€μ΄λŠ”μ§€κΉŒμ§€ 증λͺ…ν•˜λŠ” μ½”λ“œλŠ” μ•„λ‹™λ‹ˆλ‹€.

특히 λΈŒλΌμš°μ €μ˜ μ‚¬μ΄νŠΈ 관계 νŒλ‹¨, HTTPS, μ‚¬μš©μž μ„€μ •, μ œμ‚Όμž μΏ ν‚€ μ œν•œμ€ λ‹¨μˆœ λ¬Έμžμ—΄ νŒŒμ„œλ‘œ μž¬ν˜„λ˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€. μ„œλ²„ μ½”λ“œμ˜ 속성이 λ§žμ•„ 보여도 μ‹€μ œ μš”μ²­ κ²½λ‘œμ—μ„œ μ €μž₯·전솑을 λ‹€μ‹œ 검사해야 ν•©λ‹ˆλ‹€. λ¬Έμžμ—΄ 검증, λΈŒλΌμš°μ € 검증, μ„œλ²„ μ„Έμ…˜ 검증을 λ‚˜λˆ„μ–΄ κΈ°λ‘ν•˜λŠ” 편이 κ²°κ³Όλ₯Ό μ •ν™•ν•˜κ²Œ μ„€λͺ…ν•  수 μžˆμŠ΅λ‹ˆλ‹€.


6. μΏ ν‚€κ°€ 전솑됐닀면 μ„œλ²„ 검증 λ‹¨κ³„λ‘œ μ΄λ™ν•©λ‹ˆλ‹€

λ‹€μŒ μš”μ²­μ— μ˜¬λ°”λ₯Έ μΏ ν‚€κ°€ λΆ™μ—ˆλ‹€λ©΄ μ„Έμ…˜ μ €μž₯μ†Œ, 만료, μ„œλͺ… 검증과 μ„œλ²„ κ°„ μ„€μ • 차이λ₯Ό μ‚΄νŽ΄λ΄…λ‹ˆλ‹€. μ—¬λŸ¬ μ„œλ²„κ°€ μ„œλ‘œ λ‹€λ₯Έ μ„œλͺ… ν‚€λ₯Ό μ‚¬μš©ν•˜κ±°λ‚˜ μž¬μ‹œμž‘ λ•Œ μ„Έμ…˜ 정보가 μ‚¬λΌμ§€λŠ” ꡬ쑰라면 전솑 λ¬Έμ œμ™€λŠ” λ‹€λ₯Έ μ‹€νŒ¨κ°€ λ°œμƒν•  수 μžˆμŠ΅λ‹ˆλ‹€. μ‹œκ°„λŒ€λ‚˜ μ‹œμŠ€ν…œ μ‹œκ³„ 차이도 만료 νŒλ‹¨μ— 영ν–₯을 쀄 수 μžˆμŠ΅λ‹ˆλ‹€.

μ¦μƒλ§Œ 보고 HttpOnlyλ‚˜ Secureλ₯Ό λ„λŠ” 방법은 ν”Όν•˜μ„Έμš”. λ¨Όμ € 정상 μš”μ²­κ³Ό μ‹€νŒ¨ μš”μ²­μ˜ 차이λ₯Ό μ°Ύκ³  ν…ŒμŠ€νŠΈ ν™˜κ²½μ—μ„œ μž‘μ€ 변경을 κ²€μ¦ν•©λ‹ˆλ‹€. 둜그인 HTML을 곡유 μΊμ‹œλ‘œ μ œκ³΅ν•œλ‹€λ©΄ κ°œμΈν™”μ™€ μΏ ν‚€ λ°œκΈ‰μ„ λΆ„λ¦¬ν–ˆλŠ”μ§€λ„ ν™•μΈν•©λ‹ˆλ‹€. 곡개 HTML μΊμ‹œλ₯Ό λŠ˜λ¦¬λŠ” μž‘μ—…κ³Ό 둜그인 μΏ ν‚€ λ³΄ν˜ΈλŠ” ν•¨κ»˜ 섀계해야 ν•©λ‹ˆλ‹€.


7. 정상 둜그인과 μ‹€νŒ¨ λ‘œκ·ΈμΈμ„ λΉ„κ΅ν•˜κΈ°

ν…ŒμŠ€νŠΈ κ³„μ •μœΌλ‘œ 정상 λ‘œκ·ΈμΈν•œ μš”μ²­ ν•œ 건과 μ‹€νŒ¨ν•œ μš”μ²­ ν•œ 건을 같은 μˆœμ„œλ‘œ κΈ°λ‘ν•©λ‹ˆλ‹€. μš”μ²­ μ£Όμ†Œ, 호슀트, 응닡 μ½”λ“œμ™€ μΏ ν‚€ 이름을 λΉ„κ΅ν•˜κ³  λΉ„λ°€ 값은 μ œμ™Έν•˜μ„Έμš”. μΏ ν‚€κ°€ λ°œκΈ‰λ˜λŠ” 응닡이 λ‹€λ₯΄λ‹€λ©΄ λ¨Όμ € 둜그인 처리 뢄기와 이동 과정을 ν™•μΈν•©λ‹ˆλ‹€. ν•œ ν™”λ©΄μ˜ 결과만 λ³΄λŠ” 것보닀 흐름 비ꡐ가 μ„€λͺ…ν•˜κΈ° μ‰½μŠ΅λ‹ˆλ‹€.

둜그인 ν›„ μ΄λ™ν•˜λŠ” μ£Όμ†Œκ°€ www μœ λ¬΄λ‚˜ μ„œλΈŒλ„λ©”μΈμ— 따라 λ‹¬λΌμ§€λŠ”μ§€λ„ λ΄…λ‹ˆλ‹€. Domainκ³Ό Path 적용 λ²”μœ„κ°€ κ·Έ μ£Όμ†Œμ— λ§žλŠ”μ§€ ν™•μΈν•˜μ„Έμš”. λ‹€λ§Œ 곡유 λ²”μœ„λ₯Ό λ„“νžˆλ©΄ λ‹€λ₯Έ ν˜ΈμŠ€νŠΈμ—λ„ μΏ ν‚€λ₯Ό λ³΄λ‚΄κ²Œ 될 수 μžˆμœΌλ―€λ‘œ ν•„μš” λ²”μœ„λ₯Ό λ¨Όμ € μ •ν•©λ‹ˆλ‹€. λ‘œκ·ΈμΈμ„ 고치기 μœ„ν•΄ λͺ¨λ“  μ„œλΈŒλ„λ©”μΈμœΌλ‘œ 무쑰건 ν™•λŒ€ν•˜λŠ” 방식은 ν”Όν•©λ‹ˆλ‹€.

HTTPS 개발 ν™˜κ²½κ³Ό HTTP 둜컬 ν™˜κ²½μ„ κ΅¬λΆ„ν•©λ‹ˆλ‹€. μΏ ν‚€κ°€ μ €μž₯λλŠ”μ§€λΏ μ•„λ‹ˆλΌ λΈŒλΌμš°μ €κ°€ μ™œ λ³΄λ‚΄κ±°λ‚˜ 보내지 μ•Šμ•˜λŠ”μ§€ ν™•μΈν•˜λŠ” 편이 μ€‘μš”ν•©λ‹ˆλ‹€. 둜컬의 νŠΉλ³„ μ²˜λ¦¬μ™€ 운영 HTTPS λ™μž‘μ΄ λ‹€λ₯Ό 수 μžˆμœΌλ―€λ‘œ ν•œ ν™˜κ²½μ˜ 결과만 μΌλ°˜ν™”ν•˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€. μ‹€μ œ μ μš©ν•  μ„œλ²„μ—μ„œ 정상 흐름과 λ‘œκ·Έμ•„μ›ƒ 흐름을 λͺ¨λ‘ κ²€μ‚¬ν•˜μ„Έμš”.

λ‘œκ·Έμ•„μ›ƒ λ•ŒλŠ” λ°œκΈ‰κ³Ό 같은 이름, 호슀트 λ²”μœ„μ™€ 경둜λ₯Ό μ‚¬μš©ν•˜λŠ”μ§€ λŒ€μ‘°ν•©λ‹ˆλ‹€. 였래된 μΏ ν‚€κ°€ λ‹€λ₯Έ λ²”μœ„μ— 남아 있으면 μƒˆ 쿠킀와 μ„žμ—¬ 보일 수 μžˆμŠ΅λ‹ˆλ‹€. ν…ŒμŠ€νŠΈ ν™˜κ²½μ—μ„œ 각각의 μ €μž₯ ν•­λͺ©μ„ ν™•μΈν•˜κ³  μ„œλΉ„μŠ€κ°€ μ‹€μ œ 읽은 이름을 둜그둜 남기면 νŒλ‹¨ν•˜κΈ° μ‰½μŠ΅λ‹ˆλ‹€. λ‘œκ·Έμ—λŠ” κ°’ 자체λ₯Ό λ„£μ§€ μ•Šμ•„λ„ λ©λ‹ˆλ‹€.

μ΅œμ’… 기둝은 λ°œκΈ‰ 성곡, μ €μž₯ 성곡, 전솑 성곡, μ„Έμ…˜ 검증 성곡을 λ‚˜λˆ„μ–΄ ν‘œμ‹œν•©λ‹ˆλ‹€. μ΄λ ‡κ²Œ ν•˜λ©΄ μ–΄λŠ λ‹¨κ³„μ˜ μˆ˜μ •μ„ μš”μ²­ν•΄μ•Ό ν•˜λŠ”μ§€ λΆ„λͺ…ν•΄μ§‘λ‹ˆλ‹€. 문제λ₯Ό 고친 λ’€ μƒˆλ‘œμš΄ λΈŒλΌμš°μ € ν”„λ‘œν•„κ³Ό κΈ°μ‘΄ ν”„λ‘œν•„μ—μ„œ λͺ¨λ‘ ν™•μΈν•˜λ©΄ 였래된 κ°’μ˜ 영ν–₯을 ꡬ뢄할 수 μžˆμŠ΅λ‹ˆλ‹€. 인증 속성을 λ„λŠ” 방식보닀 증거λ₯Ό λͺ¨μ•„ ν•„μš”ν•œ λΆ€λΆ„λ§Œ μˆ˜μ •ν•˜μ„Έμš”.


8. 따라 ν•˜λŠ” 예제

λͺ…λ Ήκ³Ό μ½”λ“œλŠ” ν•™μŠ΅μš©μž…λ‹ˆλ‹€. μ„€λͺ…에 ν‘œμ‹œλœ μ‹€ν–‰ ν™˜κ²½μ„ κ΅¬λΆ„ν•˜κ³  μƒˆ μ‹œν—˜ 폴더 λ˜λŠ” λͺ¨μ˜ μž…λ ₯으둜 μ‹œμž‘ν•˜μ„Έμš”.

예제 μ½”λ“œ

from http.cookies import SimpleCookie
cookie = SimpleCookie()
cookie.load('session_token=demo; Path=/; Secure; HttpOnly; SameSite=Lax')
m = cookie['session_token']
print('Path:', m['path'])
print('Secure:', bool(m['secure']))
print('HttpOnly:', bool(m['httponly']))
print('SameSite:', m['samesite'])


9. 검증 결과와 해석

확인 ν•­λͺ©κ²°κ³Ό λ˜λŠ” 검증 λ²”μœ„
Path/
Secure / HttpOnlyTrue / True
SameSiteLax
λΈŒλΌμš°μ € μ €μž₯·전솑이 μ‹€μŠ΅μ—μ„œλŠ” κ²€μ¦ν•˜μ§€ μ•ŠμŒ

둜컬 Python으둜 속성 λ¬Έμžμ—΄ νŒŒμ‹±λ§Œ κ²€μ¦ν–ˆμŠ΅λ‹ˆλ‹€. μ‹€μ œ 계정 둜그인, λΈŒλΌμš°μ € μ €μž₯ μ •μ±…, νŠΉμ • μ‚¬μ΄νŠΈμ˜ μ„Έμ…˜ λ™μž‘μ„ κ²€μ¦ν•œ μ‚¬λ‘€λŠ” μ•„λ‹™λ‹ˆλ‹€.


10. 자주 λ¬»λŠ” 질문

HttpOnlyλ₯Ό 끄면 둜그인이 κ³ μ³μ§€λ‚˜μš”?

JavaScriptμ—μ„œ μ•ˆ λ³΄μΈλ‹€λŠ” 이유만으둜 끄지 λ§ˆμ„Έμš”. 개발자 λ„κ΅¬μ—μ„œ μ €μž₯κ³Ό μš”μ²­ 전솑을 λ¨Όμ € ν™•μΈν•©λ‹ˆλ‹€.

μΏ ν‚€κ°€ μžˆλŠ”λ° μ™œ λΉ„νšŒμ›μΈκ°€μš”?

μ„œλ²„ μ„Έμ…˜ μ‘°νšŒλ‚˜ μ„œλͺ…, 만료 검증이 μ‹€νŒ¨ν•  수 μžˆμŠ΅λ‹ˆλ‹€. μΏ ν‚€ μ‘΄μž¬μ™€ μ„Έμ…˜ μœ νš¨μ„±μ€ λ‹€λ₯Έ μ‘°κ±΄μž…λ‹ˆλ‹€.

λ‘œκ·Έμ•„μ›ƒμ€ κ°’λ§Œ λΉ„μš°λ©΄ λ˜λ‚˜μš”?

λ°œκΈ‰ λ•Œμ™€ λ§žλŠ” λ²”μœ„λ‘œ μ‚­μ œν•˜λŠ”μ§€ 확인해야 ν•©λ‹ˆλ‹€. 같은 μ΄λ¦„μ˜ λ‹€λ₯Έ 경둜 μΏ ν‚€κ°€ λ‚¨λŠ” κ²½μš°λ„ κ²€ν† ν•˜μ„Έμš”.


11. 곡식 μ°Έκ³  자료

λ™μž‘ μ •μ˜μ™€ μ˜΅μ…˜μ€ μ•„λž˜ μ œμž‘μž λ¬Έμ„œμ—μ„œ 확인할 수 μžˆμŠ΅λ‹ˆλ‹€. 본문의 사둀와 μ˜ˆμ œλŠ” ν•™μŠ΅μ„ μœ„ν•΄ λ…λ¦½μ μœΌλ‘œ κ΅¬μ„±ν–ˆμŠ΅λ‹ˆλ‹€.

예제 μž…λ ₯은 ν•™μŠ΅μš© λͺ¨μ˜ μžλ£Œμž…λ‹ˆλ‹€. μ‹€μ œ ν™˜κ²½μ— μ μš©ν•  λ•ŒλŠ” 본문에 μ•ˆλ‚΄ν•œ 검증 λ²”μœ„μ™€ 쑰건을 ν™•μΈν•˜μ„Έμš”.

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