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๊ฐœ๋ฐœ ์ผ์ง€ ๐Ÿ‘ฉ‍๐Ÿ’ป

Redhat ๋ฆฌ๋ˆ…์Šค ์„œ๋ฒ„์—์„œ ์šด์˜๋˜๋Š” ๋‹ค์–‘ํ•œ ์„œ๋น„์Šค ๋ฐ ๊ทธ ๊ด€๋ฆฌ ๋ฐฉ๋ฒ•์— ๋Œ€ํ•œ ์„ค๋ช…

by chuyj15 2025. 3. 14.
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๋ฐ˜์‘ํ˜•
SMALL
์šด์˜์ฒด์ œ (OS) ์„œ๋ฒ„๋ช… ์„œ๋ฒ„ IP ๋กœ๊ทธ์ธ ID ์„œ๋น„์Šค๊ฒฝ๋กœ ์„œ๋น„์Šค๋ช… ์„œ๋น„์Šค ์„ค๋ช… ์ƒํƒœํ™•์ธ ๋ช…๋ น์–ด ์‹คํ–‰๋ช…๋ น์–ด ์ข…๋ฃŒ๋ช…๋ น์–ด
Redhat WEB ์„œ๋ฒ„ 00.00.00.00 root /usr/local/apache2/bin/httpd Apache  DMZ ์›น ์„œ๋น„์Šค ps -ef | grep httpd /usr/local/apache2/bin/httpd -k start
SSL์ธ์ฆ์„œ ๋น„๋ฐ€๋ฒˆํ˜ธ ์ž…๋ ฅ : password123
/usr/local/apache2/bin/httpd -k stop
Redhat WAS ์„œ๋ฒ„ 11.11.11.11 root /BECON/posWeb/apache-tomcat-9.0.85 Tomcat(Beacon Service) ์›น ํŽ˜์ด์ง€ ๋ฐ ๋น„์ฝ˜์‹œ์Šคํ…œ  ์„œ๋น„์Šค ps -ef | grep tomcat /BECON/posWeb/apache-tomcat-9.0.85/bin/startup.sh /BECON/posWeb/apache-tomcat-9.0.86/bin/shutdown.sh
Redhat /PLCBCONA1/EAI2/uCUBE/pos/dep/adapter/uap SendTc(MDM Link Service) ๋น„์ฝ˜์‹œ์Šคํ…œ <-> MDM ์—ฐ๋™ ์„œ๋น„์Šค ps -ef | grep SendTC /PLCBCONA1/EAI2/uCUBE/pos/dep/adapter/uap/runSendTC.sh /PLCBCONA1/EAI3/uCUBE/pos/dep/adapter/uap/stopSendTC.sh
Redhat /PLCBCONA1/EAI2/uCUBE/pos/dep/adapter/uap RecvFile(User Link Service) ์ธ์‚ฌ์ •๋ณด ์—ฐ๋™ ps -ef | grep RecvFILE /PLCBCONA1/EAI3/uCUBE/pos/dep/adapter/uap/runRecvFILE.sh /PLCBCONA1/EAI4/uCUBE/pos/dep/adapter/uap/stopRecvFILE.sh
Redhat DB ์„œ๋ฒ„ 22.22.22.22 root /usr/local/mysql/bin Maria DB ps -ef | grep mysql systemctl start mariadb.service systemctl stop mariadb.service

 

1. ํ…Œ์ด๋ธ”์˜ ์ฃผ์š” ํ•ญ๋ชฉ ์„ค๋ช…

  • ์šด์˜์ฒด์ œ (OS): ๋ชจ๋“  ์„œ๋ฒ„๊ฐ€ Redhat Linux๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์–ด์š”.
  • ์„œ๋ฒ„๋ช…: ๊ฐ ์„œ๋ฒ„์˜ ์—ญํ• ์„ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.
    • WEB ์„œ๋ฒ„: ์›น ์„œ๋น„์Šค ์ œ๊ณต
    • WAS ์„œ๋ฒ„: ์›น ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์„œ๋น„์Šค (Tomcat ๋“ฑ)
    • DB ์„œ๋ฒ„: ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์šด์˜
  • ์„œ๋ฒ„ IP: ๊ฐ ์„œ๋ฒ„์˜ ๋‚ด๋ถ€ ๋˜๋Š” ์™ธ๋ถ€ IP ์ฃผ์†Œ.
  • ๋กœ๊ทธ์ธ ID: ์„œ๋ฒ„ ์ ‘์† ์‹œ ์‚ฌ์šฉํ•˜๋Š” ๊ณ„์ • (root ๊ถŒํ•œ ์‚ฌ์šฉ).
  • ์„œ๋น„์Šค ๊ฒฝ๋กœ: ์„œ๋น„์Šค๊ฐ€ ์„ค์น˜๋œ ์œ„์น˜.
  • ์„œ๋น„์Šค๋ช…: ํ•ด๋‹น ์„œ๋ฒ„์—์„œ ์‹คํ–‰ ์ค‘์ธ ์„œ๋น„์Šค (Apache, Tomcat, MariaDB ๋“ฑ).
  • ์„œ๋น„์Šค ์„ค๋ช…: ์„œ๋น„์Šค์˜ ์—ญํ• ์„ ๊ฐ„๋žตํ•˜๊ฒŒ ์„ค๋ช….
  • ์ƒํƒœํ™•์ธ ๋ช…๋ น์–ด: ํ•ด๋‹น ์„œ๋น„์Šค๊ฐ€ ์‹คํ–‰ ์ค‘์ธ์ง€ ํ™•์ธํ•˜๋Š” ๋ช…๋ น์–ด.
  • ์‹คํ–‰๋ช…๋ น์–ด: ์„œ๋น„์Šค๋ฅผ ์‹œ์ž‘ํ•˜๋Š” ๋ช…๋ น์–ด.
  • ์ข…๋ฃŒ๋ช…๋ น์–ด: ์„œ๋น„์Šค๋ฅผ ์ค‘์ง€ํ•˜๋Š” ๋ช…๋ น์–ด.

2. ๊ฐ ์„œ๋ฒ„๋ณ„ ์ฃผ์š” ๋‚ด์šฉ

๐Ÿ–ฅ๏ธ WEB ์„œ๋ฒ„ ( 00.00.00.00 )

  • ์„œ๋น„์Šค: Apache (์›น ์„œ๋น„์Šค)
  • ๊ธฐ๋Šฅ: DMZ(์ธํ„ฐ๋„ท๊ณผ ๋‚ด๋ถ€๋ง ์‚ฌ์ด)์—์„œ ์›น ํŽ˜์ด์ง€ ์ œ๊ณต.
  • ๋ช…๋ น์–ด:
    • ์‹คํ–‰:
       
      /usr/local/apache2/bin/httpd -k start
      (SSL ์ธ์ฆ์„œ ๋น„๋ฐ€๋ฒˆํ˜ธ ์ž…๋ ฅ ํ•„์š”: password123)
    • ์ค‘์ง€:
       
      /usr/local/apache2/bin/httpd -k stop
    • ์ƒํƒœ ํ™•์ธ:
       
      ps -ef | grep httpd

โš™๏ธ WAS ์„œ๋ฒ„ ( 11.11.11.11 )

  • ์„œ๋น„์Šค: Tomcat (์›น ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์„œ๋ฒ„)
  • ๊ธฐ๋Šฅ: ์›น ํŽ˜์ด์ง€ ๋ฐ ๋น„์ฝ˜ ์‹œ์Šคํ…œ ๊ด€๋ จ ์„œ๋น„์Šค ์ œ๊ณต.
  • ๋ช…๋ น์–ด:
    • ์‹คํ–‰:
       
      /BECON/posWeb/apache-tomcat-9.0.85/bin/startup.sh
    • ์ค‘์ง€:
       
      /BECON/posWeb/apache-tomcat-9.0.86/bin/shutdown.sh
    • ์ƒํƒœ ํ™•์ธ:
       
      ps -ef | grep tomcat

๐Ÿ”— MDM Link ์„œ๋น„์Šค (SendTc)

  • ์„œ๋น„์Šค: SendTc
  • ๊ธฐ๋Šฅ: ๋น„์ฝ˜ ์‹œ์Šคํ…œ๊ณผ MDM (๋ชจ๋ฐ”์ผ ์žฅ์น˜ ๊ด€๋ฆฌ ์‹œ์Šคํ…œ) ์—ฐ๋™.
  • ๋ช…๋ น์–ด:
    • ์‹คํ–‰:
       
      /PLCBCONA1/EAI2/uCUBE/pos/dep/adapter/uap/runSendTC.sh
    • ์ค‘์ง€:
       
      /PLCBCONA1/EAI3/uCUBE/pos/dep/adapter/uap/stopSendTC.sh
    • ์ƒํƒœ ํ™•์ธ:
       
      ps -ef | grep SendTC

๐Ÿ“‚ User Link ์„œ๋น„์Šค (RecvFile)

  • ์„œ๋น„์Šค: RecvFile
  • ๊ธฐ๋Šฅ: ์ธ์‚ฌ ์ •๋ณด ์—ฐ๋™ (์‚ฌ์šฉ์ž ์ •๋ณด ๋™๊ธฐํ™”).
  • ๋ช…๋ น์–ด:
    • ์‹คํ–‰:
       
      /PLCBCONA1/EAI3/uCUBE/pos/dep/adapter/uap/runRecvFILE.sh
    • ์ค‘์ง€:
       
      /PLCBCONA1/EAI4/uCUBE/pos/dep/adapter/uap/stopRecvFILE.sh
    • ์ƒํƒœ ํ™•์ธ:
       
      ps -ef | grep RecvFILE

๐Ÿ—„๏ธ DB ์„œ๋ฒ„ ( 22.22.22.22 )

  • ์„œ๋น„์Šค: MariaDB (MySQL ๊ธฐ๋ฐ˜ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค)
  • ๊ธฐ๋Šฅ: ๋ฐ์ดํ„ฐ ์ €์žฅ ๋ฐ ๊ด€๋ฆฌ.
  • ๋ช…๋ น์–ด:
    • ์‹คํ–‰:
       
      systemctl start mariadb.service
    • ์ค‘์ง€:
       
      systemctl stop mariadb.service
    • ์ƒํƒœ ํ™•์ธ:
       
      ps -ef | grep mysql

3. ์ดˆ๋ณด์ž๋ฅผ ์œ„ํ•œ ํŒ

  • ๋ชจ๋“  ์„œ๋น„์Šค๊ฐ€ Linux์˜ ps -ef | grep ์„œ๋น„์Šค๋ช… ๋ช…๋ น์–ด๋กœ ์‹คํ–‰ ์—ฌ๋ถ€๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ์–ด์š”.
  • ์„œ๋น„์Šค๋ฅผ ์‹œ์ž‘ํ•  ๋•Œ root ๊ถŒํ•œ์ด ํ•„์š”ํ•  ์ˆ˜ ์žˆ์Œ → sudo ์‚ฌ์šฉ ๊ณ ๋ ค.
  • Apache์™€ Tomcat์€ ์›น ๊ด€๋ จ ์„œ๋น„์Šค, MariaDB๋Š” ๋ฐ์ดํ„ฐ ์ €์žฅ์†Œ ์—ญํ• .
  • ์„œ๋น„์Šค ์‹คํ–‰/์ค‘์ง€ ์‹œ ๋ช…๋ น์–ด ์ˆœ์„œ๋ฅผ ์กฐ์‹ฌํ•ด์•ผ ํ•จ (์˜ˆ: DB ์ข…๋ฃŒ ํ›„ ์›น ์„œ๋น„์Šค ์ข…๋ฃŒ X).

 


๐ŸŒ DMZ(๋น„๋ฌด์žฅ ์ง€๋Œ€, Demilitarized Zone)๋ž€?

DMZ๋Š” ๋„คํŠธ์›Œํฌ ๋ณด์•ˆ์—์„œ ์ค‘์š”ํ•œ ๊ฐœ๋…์ด์—์š”.
๊ตฐ์‚ฌ ์šฉ์–ด์—์„œ ์˜จ ๊ฐœ๋…์ธ๋ฐ, ์™ธ๋ถ€(์ธํ„ฐ๋„ท)์™€ ๋‚ด๋ถ€(์‚ฌ์„ค๋ง) ์‚ฌ์ด์—์„œ ์ค‘๋ฆฝ์ ์ธ ๊ณต๊ฐ„์„ ์ œ๊ณตํ•˜๋Š” ๋„คํŠธ์›Œํฌ ์˜์—ญ์„ ์˜๋ฏธํ•ด์š”.


๐Ÿ”ฅ ์™œ DMZ๊ฐ€ ํ•„์š”ํ• ๊นŒ?

ํšŒ์‚ฌ ๋‚ด๋ถ€์˜ ์ค‘์š”ํ•œ ๋ฐ์ดํ„ฐ์™€ ์‹œ์Šคํ…œ์„ ํ•ดํ‚น์œผ๋กœ๋ถ€ํ„ฐ ๋ณดํ˜ธํ•˜๊ธฐ ์œ„ํ•ด์„œ์˜ˆ์š”.

์˜ˆ๋ฅผ ๋“ค์–ด, ํšŒ์‚ฌ ๋‚ด๋ถ€๋ง์— **์›น ์„œ๋ฒ„(Apache)**๋ฅผ ๋‘”๋‹ค๊ณ  ๊ฐ€์ •ํ•ด์š”.
๊ทธ๋Ÿผ ์ธํ„ฐ๋„ท์—์„œ ์ ‘์†ํ•  ๋•Œ, ํšŒ์‚ฌ ๋‚ด๋ถ€๋ง์ด ์ง์ ‘ ๋…ธ์ถœ๋˜๋Š” ์œ„ํ—˜์ด ์ƒ๊ฒจ์š”.
์ด๋Ÿด ๋•Œ, DMZ์— ์›น ์„œ๋ฒ„๋ฅผ ๋ฐฐ์น˜ํ•˜๋ฉด ์ธํ„ฐ๋„ท ์‚ฌ์šฉ์ž๊ฐ€ ๋‚ด๋ถ€๋ง์— ๋ฐ”๋กœ ์ ‘๊ทผํ•˜์ง€ ๋ชปํ•˜๊ฒŒ ํ•  ์ˆ˜ ์žˆ์–ด์š”.


โš™๏ธ DMZ์˜ ์ฃผ์š” ์—ญํ• 

โœ… ์™ธ๋ถ€ ์‚ฌ์šฉ์ž๊ฐ€ ์ ‘๊ทผ ๊ฐ€๋Šฅํ•˜์ง€๋งŒ, ๋‚ด๋ถ€ ๋„คํŠธ์›Œํฌ๋Š” ๋ณดํ˜ธ
โœ… ๊ณต๊ฐœ ์„œ๋ฒ„(Apache, Tomcat ๋“ฑ)๋ฅผ ์•ˆ์ „ํ•˜๊ฒŒ ์šด์˜
โœ… ๋ฐฉํ™”๋ฒฝ(Firewall)๊ณผ ํ•จ๊ป˜ ์‚ฌ์šฉํ•ด ๋‚ด๋ถ€๋ง ๋ณดํ˜ธ ๊ฐ•ํ™”


๐Ÿ› DMZ ๊ตฌ์„ฑ ๋ฐฉ์‹

์ผ๋ฐ˜์ ์œผ๋กœ, ๋ฐฉํ™”๋ฒฝ(Firewall)์„ ์ด์šฉํ•ด 3๊ฐœ์˜ ๋„คํŠธ์›Œํฌ ์กด์œผ๋กœ ๊ตฌ๋ถ„ํ•ด์š”.

๐Ÿ›ก๏ธ 1. ์™ธ๋ถ€ ๋„คํŠธ์›Œํฌ (Untrusted Zone)

  • ์ธํ„ฐ๋„ท์— ์—ฐ๊ฒฐ๋œ ์˜์—ญ.
  • ๋ˆ„๊ตฌ๋“ ์ง€ ์ ‘์† ๊ฐ€๋Šฅ (ํ•ด์ปค๋„ ์ ‘๊ทผ ๊ฐ€๋Šฅ).

๐Ÿ”ถ 2. DMZ (Semi-trusted Zone)

  • ์™ธ๋ถ€์—์„œ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ์ง€๋งŒ, ๋‚ด๋ถ€๋ง๊ณผ ๋ถ„๋ฆฌ๋œ ์ค‘๋ฆฝ ๊ตฌ์—ญ.
  • ์›น ์„œ๋ฒ„, ๋ฉ”์ผ ์„œ๋ฒ„, FTP ์„œ๋ฒ„ ๋“ฑ ๊ณต๊ฐœ ์„œ๋น„์Šค๋ฅผ ๋‘ .

๐Ÿ”’ 3. ๋‚ด๋ถ€ ๋„คํŠธ์›Œํฌ (Trusted Zone)

  • ๊ธฐ์—…์˜ ์ค‘์š”ํ•œ ๋ฐ์ดํ„ฐ๊ฐ€ ์žˆ๋Š” ๊ณต๊ฐ„.
  • DMZ๋ฅผ ํ†ตํ•ด์„œ๋งŒ ์ ‘๊ทผ ๊ฐ€๋Šฅ (์ง์ ‘ ์ ‘๊ทผ ๋ถˆ๊ฐ€).

๐Ÿ“Œ ๋น„์œ ํ•˜์ž๋ฉด?
๐Ÿฐ ์„ฑ(๋‚ด๋ถ€๋ง) + ๐Ÿฐ ์™ธ๊ณฝ ๋ฐฉ์–ด์„ (DMZ) + ๐ŸŒ ์™ธ๋ถ€ ์„ธ๊ณ„(์ธํ„ฐ๋„ท)
์ ์ด ์„ฑ ์•ˆ์œผ๋กœ ๋ฐ”๋กœ ๋“ค์–ด์˜ฌ ์ˆ˜ ์—†๋„๋ก, ์„ฑ๋ฒฝ(DMZ)์„ ๋‘ฌ์„œ ๋ณดํ˜ธํ•˜๋Š” ๊ฐœ๋…์ด์—์š”!


๐ŸŽฏ DMZ ์˜ˆ์ œ (์›น ์„œ๋น„์Šค)

๐Ÿ“Œ ์˜ˆ์ œ ์‹œ๋‚˜๋ฆฌ์˜ค:

  1. ์‚ฌ์šฉ์ž๊ฐ€ ์›น์‚ฌ์ดํŠธ(URL)๋ฅผ ์ž…๋ ฅํ•˜๋ฉด, DMZ์— ์žˆ๋Š” ์›น ์„œ๋ฒ„(Apache)๋กœ ์š”์ฒญ์ด ๊ฐ.
  2. ์›น ์„œ๋ฒ„๊ฐ€ ๋ฐ์ดํ„ฐ๊ฐ€ ํ•„์š”ํ•˜๋ฉด ๋‚ด๋ถ€๋ง์˜ DB ์„œ๋ฒ„(MariaDB)์— ์š”์ฒญ.
  3. DB ์„œ๋ฒ„๋Š” ์ง์ ‘ ์ธํ„ฐ๋„ท๊ณผ ์—ฐ๊ฒฐ๋˜์ง€ ์•Š์Œ → ๋‚ด๋ถ€๋ง ๋ณดํ˜ธ.
[์‚ฌ์šฉ์ž] ๐ŸŒ → ๐Ÿ”ฅ [DMZ - ์›น ์„œ๋ฒ„] → ๐Ÿ”’ [๋‚ด๋ถ€๋ง - DB ์„œ๋ฒ„]

์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ์›น ์„œ๋ฒ„๋Š” ์™ธ๋ถ€์— ๊ณต๊ฐœ๋˜์ง€๋งŒ, DB ์„œ๋ฒ„๋Š” ๋ณดํ˜ธํ•  ์ˆ˜ ์žˆ์–ด์š”!


๐Ÿš€ ์ •๋ฆฌ

  • DMZ๋Š” ์™ธ๋ถ€์™€ ๋‚ด๋ถ€๋ง ์‚ฌ์ด์—์„œ "๋ณด์•ˆ ์™„์ถฉ ์ง€๋Œ€" ์—ญํ• .
  • ์›น ์„œ๋ฒ„ ๋“ฑ์€ DMZ์— ๋ฐฐ์น˜, ๋‚ด๋ถ€๋ง์€ ์ง์ ‘ ๊ณต๊ฐœํ•˜์ง€ ์•Š์Œ.
  • ํ•ด์ปค๊ฐ€ DMZ๋ฅผ ๋šซ๋”๋ผ๋„ ๋‚ด๋ถ€๋ง์€ ํ•œ ๋ฒˆ ๋” ๋ณดํ˜ธ๋จ.

๐Ÿ“Œ ์ดˆ๋ณด ๊ฐœ๋ฐœ์ž๋ผ๋ฉด?
์›น ์„œ๋ฒ„(Apache, Nginx)๋ฅผ ๋‹ค๋ฃฐ ๋•Œ DMZ ๊ฐœ๋…์„ ์ดํ•ดํ•˜๋ฉด ๋ณด์•ˆ ์„ค๊ณ„์— ์œ ์šฉํ•ด์š”!


๐ŸŒ WEB ์„œ๋ฒ„ vs WAS ์„œ๋ฒ„, ์™œ ๋”ฐ๋กœ ๋‘๋Š” ๊ฑธ๊นŒ?

์›น ๊ฐœ๋ฐœ์„ ์ฒ˜์Œ ๋ฐฐ์šฐ๋ฉด WEB ์„œ๋ฒ„๋ž‘ WAS ์„œ๋ฒ„๊ฐ€ ํ—ท๊ฐˆ๋ฆด ์ˆ˜ ์žˆ์–ด์š”.
๋‘˜ ๋‹ค "์„œ๋ฒ„"๋‹ˆ๊นŒ ๊ฐ™์€ ๊ฑฐ ์•„๋‹Œ๊ฐ€? ๐Ÿค” ํ•˜์ง€๋งŒ ์—ญํ• ์ด ๋‹ค๋ฆ…๋‹ˆ๋‹ค!


๐Ÿ’ก 1. WEB ์„œ๋ฒ„(Web Server)๋ž€?

๐Ÿ“Œ ์—ญํ• : ์ •์ ์ธ ์ฝ˜ํ…์ธ (HTML, CSS, ์ด๋ฏธ์ง€) ์ œ๊ณต
WEB ์„œ๋ฒ„๋Š” ์‚ฌ์šฉ์ž๊ฐ€ ์š”์ฒญํ•œ ์›นํŽ˜์ด์ง€(HTML, CSS, JavaScript, ์ด๋ฏธ์ง€ ๋“ฑ)๋ฅผ ์ „๋‹ฌํ•˜๋Š” ์—ญํ• ์„ ํ•ด์š”.

๐Ÿš€ WEB ์„œ๋ฒ„์˜ ์ฃผ์š” ๊ธฐ๋Šฅ

โœ… ์ •์ ์ธ ํŒŒ์ผ(HTML, CSS, JS, ์ด๋ฏธ์ง€ ๋“ฑ) ์ œ๊ณต
โœ… ๋ธŒ๋ผ์šฐ์ €(Chrome, Edge ๋“ฑ)์—์„œ ์ง์ ‘ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฆฌ์†Œ์Šค ์ฒ˜๋ฆฌ
โœ… WAS๋กœ ์š”์ฒญ์„ ๋„˜๊ธฐ๋Š” ์—ญํ•  (ํ”„๋ก์‹œ ๊ธฐ๋Šฅ)

๐Ÿ“ ๋Œ€ํ‘œ์ ์ธ WEB ์„œ๋ฒ„

  • Apache
  • Nginx
  • Microsoft IIS(์œˆ๋„์šฐ ์„œ๋ฒ„์šฉ)

๐Ÿ”ฅ 2. WAS ์„œ๋ฒ„(Web Application Server)๋ž€?

๐Ÿ“Œ ์—ญํ• : ๋™์ ์ธ ์ฝ˜ํ…์ธ (๋กœ์ง์ด ํ•„์š”ํ•œ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ) ์ œ๊ณต
WAS ์„œ๋ฒ„๋Š” ๋‹จ์ˆœํ•œ HTML ํŒŒ์ผ์ด ์•„๋‹ˆ๋ผ **๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง(ํ”„๋กœ๊ทธ๋žจ ์ฝ”๋“œ)**์„ ์‹คํ–‰ํ•ด์š”.

๐Ÿš€ WAS ์„œ๋ฒ„์˜ ์ฃผ์š” ๊ธฐ๋Šฅ

โœ… ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์—ฐ๋™ (DB์—์„œ ์ •๋ณด ๊ฐ€์ ธ์˜ค๊ธฐ)
โœ… ๋กœ๊ทธ์ธ ์ฒ˜๋ฆฌ (ํšŒ์› ์ธ์ฆ, ์„ธ์…˜ ๊ด€๋ฆฌ ๋“ฑ)
โœ… ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง ์‹คํ–‰ (์˜ˆ: ์‡ผํ•‘๋ชฐ ์žฅ๋ฐ”๊ตฌ๋‹ˆ ๊ธฐ๋Šฅ, ๊ฒฐ์ œ ์ฒ˜๋ฆฌ ๋“ฑ)
โœ… ๋™์  ์›นํŽ˜์ด์ง€ ์ƒ์„ฑ (์‚ฌ์šฉ์ž๊ฐ€ ์ž…๋ ฅํ•œ ๋ฐ์ดํ„ฐ์— ๋”ฐ๋ผ ๋‹ฌ๋ผ์ง€๋Š” ํŽ˜์ด์ง€)

๐Ÿ“ ๋Œ€ํ‘œ์ ์ธ WAS ์„œ๋ฒ„

  • Tomcat (Java ๊ธฐ๋ฐ˜, ๊ฐ€์žฅ ๋งŽ์ด ์‚ฌ์šฉ๋จ)
  • JBoss (Java EE ๊ธฐ๋ฐ˜)
  • WebLogic, WebSphere (๊ธฐ์—…์šฉ ์ƒ์šฉ WAS)
  • Node.js (JavaScript ๊ธฐ๋ฐ˜)

๐ŸŽญ 3. WEB ์„œ๋ฒ„์™€ WAS ์„œ๋ฒ„์˜ ์ฐจ์ด์ 

๊ตฌ๋ถ„WEB ์„œ๋ฒ„ (Web Server)WAS ์„œ๋ฒ„ (Web Application Server)
์—ญํ•  ์ •์ ์ธ ํŒŒ์ผ ์ œ๊ณต ๋™์ ์ธ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ
์ฒ˜๋ฆฌ ๋ฐฉ์‹ HTML, CSS, JS ๋“ฑ ์ „๋‹ฌ DB ์—ฐ๋™, ๋กœ์ง ์ฒ˜๋ฆฌ
์˜ˆ์‹œ ์ด๋ฏธ์ง€, ์ •์  ์›นํŽ˜์ด์ง€ ์ œ๊ณต ๋กœ๊ทธ์ธ, ๊ฒŒ์‹œํŒ ๊ธฐ๋Šฅ ๊ตฌํ˜„
๋Œ€ํ‘œ ์†Œํ”„ํŠธ์›จ์–ด Apache, Nginx Tomcat, JBoss, WebLogic
์—ฐ๊ฒฐ ๋Œ€์ƒ ํด๋ผ์ด์–ธํŠธ(๋ธŒ๋ผ์šฐ์ €) WEB ์„œ๋ฒ„, DB ์„œ๋ฒ„

๐Ÿ”— 4. ์™œ WEB ์„œ๋ฒ„์™€ WAS ์„œ๋ฒ„๋ฅผ ๋”ฐ๋กœ ๋‘˜๊นŒ?

๐Ÿ’ก ํ•œ ์„œ๋ฒ„์—์„œ ๋‹ค ํ•˜๋ฉด ์•ˆ ๋˜๋‚˜์š”?
๊ฐ€๋Šฅํ•˜์ง€๋งŒ, ๋ถ„๋ฆฌํ•˜๋ฉด ๋” ํšจ์œจ์ ์ด๊ณ  ์•ˆ์ „ํ•ด์š”!

๐Ÿ“Œ WEB ์„œ๋ฒ„์™€ WAS ์„œ๋ฒ„๋ฅผ ๋ถ„๋ฆฌํ•˜๋Š” ์ด์œ 

1๏ธโƒฃ ์„ฑ๋Šฅ ์ตœ์ ํ™”
→ WEB ์„œ๋ฒ„๊ฐ€ **์ •์  ๋ฆฌ์†Œ์Šค(HTML, CSS, JS)**๋ฅผ ์ฒ˜๋ฆฌํ•˜๊ณ ,
→ WAS ์„œ๋ฒ„๋Š” ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง๊ณผ ๋ฐ์ดํ„ฐ ์—ฐ๋™์„ ๋‹ด๋‹นํ•ด์„œ ์„œ๋ฒ„ ๋ถ€ํ•˜๋ฅผ ์ค„์ž„

2๏ธโƒฃ ๋ณด์•ˆ ๊ฐ•ํ™”
→ WEB ์„œ๋ฒ„๋Š” DMZ(๋ณด์•ˆ ์ค‘๊ฐ„์ง€๋Œ€)์— ๋ฐฐ์น˜,
→ WAS๋Š” ๋‚ด๋ถ€๋ง์—์„œ ์‹คํ–‰๋˜์–ด ์ง์ ‘ ํ•ดํ‚น๋‹นํ•  ์œ„ํ—˜์„ ์ค„์ž„

3๏ธโƒฃ ํ™•์žฅ์„ฑ ์ฆ๊ฐ€ (ํŠธ๋ž˜ํ”ฝ ๋ถ„์‚ฐ ๊ฐ€๋Šฅ)
→ ํŠธ๋ž˜ํ”ฝ์ด ๋งŽ์„ ๋•Œ WEB ์„œ๋ฒ„ ์—ฌ๋Ÿฌ ๊ฐœ ์ถ”๊ฐ€ ๊ฐ€๋Šฅ (๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ)
→ WAS๋„ ์—ฌ๋Ÿฌ ๋Œ€๋กœ ํ™•์žฅ ๊ฐ€๋Šฅ (์Šค์ผ€์ผ ์•„์›ƒ)

4๏ธโƒฃ ์žฅ์•  ๋Œ€์‘ ์šฉ์ด
→ WEB ์„œ๋ฒ„๊ฐ€ ๋‹ค์šด๋ผ๋„ WAS๋Š” ์‚ด์•„ ์žˆ์„ ์ˆ˜ ์žˆ์Œ
→ ํŠน์ • ์„œ๋ฒ„๋งŒ ๊ต์ฒดํ•˜๊ฑฐ๋‚˜ ์—…๋ฐ์ดํŠธ ๊ฐ€๋Šฅ


๐Ÿ—๏ธ 5. ์‹ค์ „ ์˜ˆ์ œ: ์‡ผํ•‘๋ชฐ ์›น์‚ฌ์ดํŠธ

๐Ÿ”น ์‹œ๋‚˜๋ฆฌ์˜ค: ์‚ฌ์šฉ์ž๊ฐ€ ์‡ผํ•‘๋ชฐ์— ์ ‘์†ํ•ด์„œ ๋กœ๊ทธ์ธํ•˜๊ณ  ์ƒํ’ˆ์„ ๊ตฌ๋งคํ•จ

๐Ÿ“ ์›น ์„œ๋ฒ„๊ฐ€ ํ•˜๋Š” ์ผ:

  • index.html, style.css, script.js ๋“ฑ์˜ ์ •์  ๋ฆฌ์†Œ์Šค ์ œ๊ณต
  • ์‚ฌ์šฉ์ž๊ฐ€ ๋กœ๊ทธ์ธ ๋ฒ„ํŠผ ํด๋ฆญํ•˜๋ฉด WAS๋กœ ์š”์ฒญ ์ „๋‹ฌ

๐Ÿ“ WAS ์„œ๋ฒ„๊ฐ€ ํ•˜๋Š” ์ผ:

  • ์‚ฌ์šฉ์ž๊ฐ€ ์ž…๋ ฅํ•œ ID/PW ํ™•์ธ (DB์—์„œ ์ •๋ณด ์กฐํšŒ)
  • ๋กœ๊ทธ์ธ ์„ฑ๊ณตํ•˜๋ฉด ์„ธ์…˜ ์ƒ์„ฑ
  • ์‚ฌ์šฉ์ž๊ฐ€ ์žฅ๋ฐ”๊ตฌ๋‹ˆ์— ๋‹ด์€ ์ƒํ’ˆ ์ •๋ณด ์ €์žฅ ๋ฐ ๊ฒฐ์ œ ์ฒ˜๋ฆฌ
 
์‚ฌ์šฉ์ž ๐Ÿ‘จ‍๐Ÿ’ป → [WEB ์„œ๋ฒ„] (Apache, Nginx) → [WAS ์„œ๋ฒ„] (Tomcat) → [DB ์„œ๋ฒ„] (MariaDB)

๐ŸŽฏ 6. ์ •๋ฆฌ

๊ตฌ๋ถ„WEB ์„œ๋ฒ„WAS ์„œ๋ฒ„
๊ธฐ๋Šฅ ์ •์  ์ฝ˜ํ…์ธ  ์ œ๊ณต ๋™์  ์ฝ˜ํ…์ธ  ์ฒ˜๋ฆฌ
์˜ˆ์ œ HTML/CSS/JS/์ด๋ฏธ์ง€ ์ „๋‹ฌ ๋กœ๊ทธ์ธ, DB ์กฐํšŒ, ๊ฒฐ์ œ ์ฒ˜๋ฆฌ
์ฃผ์š” ์„œ๋ฒ„ Apache, Nginx Tomcat, JBoss
๋ณด์•ˆ DMZ์— ์œ„์น˜ (๊ณต๊ฐœ) ๋‚ด๋ถ€๋ง์—์„œ ์‹คํ–‰ (๋ณด์•ˆ ๊ฐ•ํ™”)

๐Ÿ“Œ ์‰ฝ๊ฒŒ ๋งํ•ด!
๐Ÿ‘‰ WEB ์„œ๋ฒ„ = ๐Ÿ  ์ง‘ ๋ฐฐ๋‹ฌํ•˜๋Š” ํƒ๋ฐฐ์› (ํŒŒ์ผ ์ „๋‹ฌ)
๐Ÿ‘‰ WAS ์„œ๋ฒ„ = ๐Ÿญ ๊ณต์žฅ์—์„œ ์ƒํ’ˆ ๋งŒ๋“œ๋Š” ์ผ (๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ)

 


โœ… WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž = ํ”„๋ก ํŠธ์—”๋“œ?

โœ… WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž = ๋ฐฑ์—”๋“œ?

์™„์ „ํžˆ 1:1 ๋Œ€์‘๋˜์ง€๋Š” ์•Š์ง€๋งŒ, ๋Œ€์ฒด๋กœ ๋งž๋Š” ๊ฐœ๋…์ด์—์š”!
๋‹ค๋งŒ, WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž ≠ ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž์ด๊ณ , WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž ≠ ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž๋ผ๋Š” ์ ๋„ ์•Œ์•„๋‘๋ฉด ์ข‹์•„์š”.
๋‘˜์˜ ์—ญํ• ์„ ์ •ํ™•ํžˆ ์ดํ•ดํ•˜๋ฉด, ๊ฐœ๋ฐœ์ž๋กœ์„œ ๋” ๋„“์€ ์‹œ์•ผ๋ฅผ ๊ฐ€์งˆ ์ˆ˜ ์žˆ์–ด์š”! ๐Ÿš€


๐ŸŽญ 1. WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž = ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž?

๐Ÿ’ก "๋ฐ˜์€ ๋งž๊ณ  ๋ฐ˜์€ ํ‹€๋ฆฌ๋‹ค!"
WEB ์„œ๋ฒ„๋Š” HTML, CSS, JS ๊ฐ™์€ ์ •์ ์ธ ํŒŒ์ผ์„ ์ œ๊ณตํ•˜๋Š” ์—ญํ• ์„ ํ•˜์ฃ .
ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž๋Š” ์ด ์ •์  ํŒŒ์ผ์„ ์ง์ ‘ ๋งŒ๋“œ๋Š” ์‚ฌ๋žŒ์ด๋‹ˆ๊นŒ ์—ฐ๊ด€์„ฑ์ด ๋†’์•„์š”.

๐Ÿ“Œ ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž์˜ ์—ญํ• 

โœ… ์›น์‚ฌ์ดํŠธ์˜ UI/UX ๊ฐœ๋ฐœ (์‚ฌ์šฉ์ž๊ฐ€ ๋ณด๋Š” ํ™”๋ฉด)
โœ… HTML, CSS, JavaScript๋ฅผ ์ด์šฉํ•ด ์ธํ„ฐํŽ˜์ด์Šค ๊ตฌํ˜„
โœ… React, Vue.js ๊ฐ™์€ ํ”„๋ ˆ์ž„์›Œํฌ ํ™œ์šฉ
โœ… AJAX, API ํ˜ธ์ถœ ๋“ฑ์„ ํ†ตํ•ด ๋ฐฑ์—”๋“œ(WAS ์„œ๋ฒ„)์™€ ๋ฐ์ดํ„ฐ ์ฃผ๊ณ ๋ฐ›๊ธฐ

๐Ÿ“Œ WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž์˜ ์—ญํ• 

โœ… ์ •์ ์ธ ํŒŒ์ผ(HTML, CSS, JS, ์ด๋ฏธ์ง€)์„ ํšจ์œจ์ ์œผ๋กœ ์ œ๊ณต
โœ… ์›น ์„œ๋ฒ„(Apache, Nginx) ์„ค์ • ๋ฐ ์šด์˜
โœ… ํŠธ๋ž˜ํ”ฝ ๋ถ„์‚ฐ, ๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ, ๋ณด์•ˆ ์„ค์ • (HTTPS, ๋ฐฉํ™”๋ฒฝ ๋“ฑ)

๐Ÿ“ ๊ฒฐ๋ก :
๐Ÿ’ก ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž๋Š” WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž์˜ ์—ญํ•  ์ผ๋ถ€๋ฅผ ํ™œ์šฉํ•˜์ง€๋งŒ, WEB ์„œ๋ฒ„ ์ž์ฒด๋ฅผ ๊ฐœ๋ฐœํ•˜์ง€ ์•Š๋Š”๋‹ค!
ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž๋Š” HTML/CSS/JS๋ฅผ ๋‹ค๋ฃจ๊ณ , WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž๋Š” ์›น ์„œ๋ฒ„ ์†Œํ”„ํŠธ์›จ์–ด(Apache, Nginx)๋ฅผ ๋‹ค๋ฃธ.


๐Ÿ”ฅ 2. WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž = ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž?

๐Ÿ’ก "๋Œ€์ฒด๋กœ ๋งž๋‹ค!"
WAS ์„œ๋ฒ„๋Š” DB์™€ ์—ฐ๋™ํ•˜๊ณ , ์‚ฌ์šฉ์ž์˜ ์š”์ฒญ์„ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐฑ์—”๋“œ ์—ญํ• ์„ ์ˆ˜ํ–‰ํ•ด์š”.
๋”ฐ๋ผ์„œ WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž์™€ ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž๋Š” ๊ฑฐ์˜ ๊ฐ™์€ ๊ฐœ๋…์œผ๋กœ ๋ณผ ์ˆ˜ ์žˆ์–ด์š”.

๐Ÿ“Œ ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž์˜ ์—ญํ• 

โœ… ์‚ฌ์šฉ์ž์˜ ์š”์ฒญ์„ ๋ฐ›์•„ ๋ฐ์ดํ„ฐ๋ฅผ ์ฒ˜๋ฆฌํ•˜๊ณ  ์‘๋‹ต ๋ฐ˜ํ™˜
โœ… DB ์—ฐ๋™ (MySQL, MariaDB, PostgreSQL ๋“ฑ)
โœ… ๋กœ๊ทธ์ธ, ๊ฒฐ์ œ, ๋ฐ์ดํ„ฐ ์ €์žฅ ๋“ฑ ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง ๊ตฌํ˜„
โœ… API ๊ฐœ๋ฐœ (RESTful API, GraphQL ๋“ฑ)
โœ… ์„œ๋ฒ„ ์„ฑ๋Šฅ ์ตœ์ ํ™” ๋ฐ ๋ณด์•ˆ ๊ฐ•ํ™”

๐Ÿ“Œ WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž์˜ ์—ญํ• 

โœ… WAS(Tomcat, JBoss ๋“ฑ) ์„ค์ • ๋ฐ ์šด์˜
โœ… WAS๊ฐ€ ์›น ์„œ๋ฒ„(Apache, Nginx)์™€ ์›ํ™œํžˆ ์—ฐ๋™๋˜๋„๋ก ๊ด€๋ฆฌ
โœ… ๋ฐฐํฌ, ๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ, ์„ธ์…˜ ๊ด€๋ฆฌ ๋“ฑ ์„œ๋ฒ„ ์ตœ์ ํ™” ์ž‘์—…

๐Ÿ“ ๊ฒฐ๋ก :
๐Ÿ’ก ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž๋Š” WAS ์„œ๋ฒ„๋ฅผ ํ™œ์šฉํ•ด ๊ฐœ๋ฐœํ•˜์ง€๋งŒ, WAS ์„œ๋ฒ„ ์ž์ฒด๋ฅผ ๊ฐœ๋ฐœํ•˜์ง€ ์•Š๋Š”๋‹ค!
๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž๋Š” ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง์„ ๊ตฌํ˜„ํ•˜๊ณ , WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž๋Š” ์„œ๋ฒ„ ์„ฑ๋Šฅ ๋ฐ ์šด์˜์„ ๋‹ด๋‹น.


๐ŸŽฏ 3. WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž vs WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž vs ํ”„๋ก ํŠธ/๋ฐฑ์—”๋“œ ์ •๋ฆฌ

์—ญํ• WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์žWAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์žํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž
์ฃผ์š” ์—…๋ฌด ์ •์  ํŒŒ์ผ ์ œ๊ณต(Apache, Nginx) ๋™์  ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ(Tomcat, Spring) UI/UX ๊ฐœ๋ฐœ(React, Vue) DB ์—ฐ๋™, API ๊ฐœ๋ฐœ
์‚ฌ์šฉ ๊ธฐ์ˆ  Apache, Nginx, ์„œ๋ฒ„ ์„ค์ • Tomcat, Spring Boot, Node.js HTML, CSS, JS, React Java, Python, MySQL, MongoDB
ํŠธ๋ž˜ํ”ฝ ์ฒ˜๋ฆฌ ์›น ์š”์ฒญ์„ WAS๋กœ ๋„˜๊น€ ์›น ์š”์ฒญ์„ ์ฒ˜๋ฆฌํ•˜๊ณ  ์‘๋‹ต ๋ฐ˜ํ™˜ UI ๊ตฌํ˜„ ๋ฐ API ์š”์ฒญ ๋ฐ์ดํ„ฐ ์ €์žฅ ๋ฐ ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง ๊ตฌํ˜„
์—ฐ๊ด€๋œ ์—ญํ•  DevOps, ์‹œ์Šคํ…œ ์—”์ง€๋‹ˆ์–ด ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž

๐ŸŽฏ 4. ์ตœ์ข… ๊ฒฐ๋ก : 100% ๊ฐ™์€ ๊ฑด ์•„๋‹ˆ๋‹ค!

  • ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž ≠ WEB ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž
    → ํ•˜์ง€๋งŒ WEB ์„œ๋ฒ„(Apache, Nginx)๋ฅผ ์ดํ•ดํ•˜๋ฉด ์œ ๋ฆฌํ•จ.
  • ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž โ‰’ WAS ์„œ๋ฒ„ ๊ฐœ๋ฐœ์ž
    → ํ•˜์ง€๋งŒ WAS ์„ค์ •, ๋ฐฐํฌ, ์šด์˜๊นŒ์ง€ ํ•˜๋Š” ๊ฑด ์‹œ์Šคํ…œ ์—”์ง€๋‹ˆ์–ด๋‚˜ DevOps ๋‹ด๋‹น.

์ฆ‰,
๐Ÿ’ก ๊ฐœ๋ฐœ์ž(ํ”„๋ก ํŠธ/๋ฐฑ์—”๋“œ)๋Š” "์„œ๋ฒ„ ์†Œํ”„ํŠธ์›จ์–ด"๋ฅผ ์ง์ ‘ ๊ฐœ๋ฐœํ•˜์ง€ ์•Š์ง€๋งŒ, ์‚ฌ์šฉํ•˜๊ณ  ์„ค์ •ํ•  ์ค„ ์•Œ์•„์•ผ ํ•œ๋‹ค!

๐Ÿ“Œ ์‹ค๋ฌด์—์„œ๋Š”?
ํ”„๋ก ํŠธ์—”๋“œ ๊ฐœ๋ฐœ์ž๋Š” WEB ์„œ๋ฒ„ ์„ค์ •์„ ๊ฐ„๋‹จํžˆ ํ•  ์ค„ ์•Œ๋ฉด ์ข‹๊ณ ,
๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž๋Š” WAS ์„œ๋ฒ„ ์šด์˜์„ ์ดํ•ดํ•˜๊ณ  ์„ค์ •ํ•  ์ˆ˜ ์žˆ์œผ๋ฉด ๋” ์œ ๋ฆฌํ•ด์š”!

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