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๐Ÿ› fix: Nginx Forwarded-IP ์ „๋‹ฌ ์„ค์ • ๋ฐ ์ฑ„ํŒ… ๋‚ ์งœ ์•Œ๋ฆผ ๋กœ์ง ์ˆ˜์ • #312

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merged 4 commits into from
Jan 2, 2025

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@asn6878 asn6878 commented Jan 1, 2025

๐Ÿ”จ ํ…Œ์Šคํฌ

๐Ÿ“‹ ์ž‘์—… ๋‚ด์šฉ

Nginx ์„ค์ • ํŒŒ์ผ์— IP ๊ด€๋ จ ํ—ค๋” ์ „๋‹ฌ ์„ค์ • ์ถ”๊ฐ€

    location /api {
       ...
        proxy_set_header Host $host; # Host ํ—ค๋”๋กœ host ๋ณ€์ˆ˜๊ฐ’ ์ „๋‹ฌ
        proxy_set_header X-Real-IP $remote_addr;  # X-Real-IP ํ—ค๋”๋กœ ์‹ค์ œ IP ์ „๋‹ฌ
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;  # X-Forwarded-For ํ—ค๋”๋กœ ์‹ค์ œ IP ์ „๋‹ฌ
        proxy_set_header X-Forwarded-Proto $scheme; # ํด๋ผ์ด์–ธํŠธ์˜ ํ”„๋กœํ† ์ฝœ ์ „๋‹ฌ
    }
...

https://developer.mozilla.org/ko/docs/Web/HTTP/Headers/X-Forwarded-For

  • X-Real-IP ํ—ค๋” : ํด๋ผ์ด์–ธํŠธ์˜ ์‹ค์ œ IP ์ฃผ์†Œ๋ฅผ ๋‹จ์ผ ๊ฐ’์œผ๋กœ ์ „๋‹ฌ ํ•˜๋Š” ํ—ค๋”. ํ”„๋ก์‹œ ์„œ๋ฒ„๊ฐ€ ์‹ค์ œ IP๋ฅผ ๋ฐฑ์—”๋“œ ์„œ๋ฒ„์— ์ „๋‹ฌํ•˜๋Š” ์šฉ๋„๋กœ ์ฃผ๋กœ ์‚ฌ์šฉ๋จ. (์˜๋ฏธ์ƒ์œผ๋กœ๋Š” ๋ฐ”๋กœ ์ง์ „์˜ IP ์ฃผ์†Œ ๊ฐ€ ๋งž๋Š”๊ฑฐ ๊ฐ™๊ธดํ•œ๋ฐ, ์ด๊ฑด ํ‘œ์ค€์€ ์•„๋‹Œ ๊ฒƒ ๊ฐ™์•„์„œ ์ผ๋‹จ ์ด๋ ‡๊ฒŒ ์„ค์ •ํ•ด๋‘์—ˆ์Šต๋‹ˆ๋‹ค. ๐Ÿ˜…)

  • X-Forwarded-For ํ—ค๋” : ํด๋ผ์ด์–ธํŠธ์˜ IP ์ฃผ์†Œ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์š”์ฒญ์ด ๊ฑฐ์ณ์˜จ ๋ชจ๋“  ํ”„๋ก์‹œ ์„œ๋ฒ„์˜ IP ์ฃผ์†Œ๋ฅผ ๋ชฉ๋ก ํ˜•์‹์œผ๋กœ ์ „๋‹ฌํ•˜๋Š” ํ—ค๋”.

์˜ˆ์‹œ
ํด๋ผ์ด์–ธํŠธ : 1.2.3.4, ๋ฆฌ๋ฒ„์Šค ํ”„๋ก์‹œ ์„œ๋ฒ„ : 127.0.0.1 ์ผ๋•Œ, X-Forwarded-For ํ—ค๋” ๊ฐ’์€ 1.2.3.4, 127.0.0.1์ด ๋จ.

  • X-Forwarded-Proto ํ—ค๋” : ํด๋ผ์ด์–ธํŠธ์˜ ํ”„๋กœํ† ์ฝœ์„ ์ „๋‹ฌํ•˜๋Š” ํ—ค๋”.

์„œ๋ฒ„ ๋‚ด IP ํš๋“ ๋กœ์ง ์ˆ˜์ •

CF-Connecting-IP๋Š” CloudFlare์—์„œ ์‚ฌ์šฉํ•˜๋Š” ํ—ค๋”๋กœ, ์ด์ œ ์‚ฌ์šฉ๋˜์ง€ ์•Š๊ธฐ์— ์ œ๊ฑฐํ•˜์˜€์Šต๋‹ˆ๋‹ค.
๋˜ํ•œ, request.socket?.remoteAddress ์—ญ์‹œ Nginx์—์„œ ์†Œ์ผ“ ์—ฐ๊ฒฐ์‹œ์—๋„ X-Forwarded-For ํ—ค๋”๋ฅผ ์„ค์ •ํ•ด๋‘๋„๋ก ํ•˜์˜€์œผ๋ฏ€๋กœ ํ•„์š”์—†์–ด ์ œ๊ฑฐ ํ•˜์˜€์Šต๋‹ˆ๋‹ค.

์ฑ„ํŒ… ์˜ค๋ฅ˜ ๊ฐœ์„ ์„ ์œ„ํ•œ await ํ‚ค์›Œ๋“œ ์ถ”๊ฐ€

๊ธฐ์กด์— ๋‚ ์งœ ์•Œ๋ฆผ๋ณด๋‹ค ์ฑ„ํŒ…์ด ๋จผ์ € emit ๋˜๋Š” ๋ฌธ์ œ๊ฐ€ ์žˆ์–ด, ํ•ด๋‹น ๋ฉ”์‹œ์ง€๊ฐ€ ํ•ด๋‹น์ผ ์ตœ์ดˆ ๋ฉ”์‹œ์ง€์ธ์ง€ ํ™•์ธ ํ›„ ๋‚ ์งœ ์•Œ๋ฆผ์„ ๋ฐœํ–‰ํ•˜๋Š” ๋ถ€๋ถ„์— await์„ ์ถ”๊ฐ€ํ•˜์—ฌ ์ˆœ์„œ๋ฅผ ๋ณด์žฅํ•  ์ˆ˜ ์žˆ๋„๋ก ์ฒ˜๋ฆฌํ•˜์˜€์Šต๋‹ˆ๋‹ค.

@asn6878 asn6878 added ๐Ÿ‘น BugFix ๋ฒ„๊ทธ ์ˆ˜์ • ๐Ÿ”ง Chore ์„ธํŒ… ๊ด€๋ จ labels Jan 1, 2025
@asn6878 asn6878 self-assigned this Jan 1, 2025
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๊ณ ์ƒํ•˜์…จ์Šต๋‹ˆ๋‹ค! ๊ถ๊ธˆํ•œ ์‚ฌ์•ˆ ์ฒดํฌํ•ด๋’€์Šต๋‹ˆ๋‹ค! getIp ์ฝ”๋“œ๊ฐ€ ์ค‘๋ณต๋œ ํ•จ์ˆ˜๋ผ ๋”ฐ๋กœ ๋ฝ‘์•„๋„ ๊ดœ์ฐฎ์ง€ ์•Š์„๊นŒ? ์ƒ๊ฐํ–ˆ๋Š”๋ฐ ๋ƒ…๋‘˜ ๊ณณ์ด ์—†๋„ค์š”.. ์–ด์ฉ” ์ˆ˜ ์—†๊ตฐ์š” ใ… .ใ…  common์—์„œ proxy ๋””๋ ‰ํ† ๋ฆฌ ๋งŒ๋“ค๊ณ  ์•ˆ์— getIp ํ•จ์ˆ˜๋งŒ ๋”ฐ๋กœ ๋นผ์•ผ ํ•˜๋‚˜ ์ƒ๊ฐ๋„ ๋“œ๋„ค์š”...!

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๋‚ ์งœ ์ถœ๋ ฅ์ด ์ฑ„ํŒ…๋ณด๋‹ค ๋Š๋ฆฐ ์ด์œ ๊ฐ€ ์žˆ์—ˆ๊ตฐ์š”.
๋ฏผ์„๋‹˜๊ป˜์„œ ๋ง์”€ํ•˜์‹  ๊ฒƒ์ฒ˜๋Ÿผ getIp๋กœ์ง์ด ํ˜„์žฌ logger์™€ feed์—์„œ ์‚ฌ์šฉ ์ค‘์ธ๋ฐ, ์•ž์œผ๋กœ ๊ธฐ๋Šฅ ์ถ”๊ฐ€ํ•˜๋‹ค๊ฐ€ ํ•œ ๋ฒˆ ๋” ๋ฐ˜๋ณต์ด ๋œ๋‹ค๋ฉด ๊ทธ ๋•Œ ์œ ํ‹ธ ๋”ฐ์œ„๋กœ getIp๋ฅผ ์ถ”์ถœํ•ด๋„ ๊ดœ์ฐฎ๊ฒ ๋„ค์š”.
์ˆ˜๊ณ  ๋งŽ์œผ์…จ์Šต๋‹ˆ๋‹ค!

@asn6878 asn6878 merged commit 630bd50 into main Jan 2, 2025
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@asn6878 asn6878 deleted the fix/nginx-ip branch January 2, 2025 18:16
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