Memcache Commands

Tip

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HackTricks ์ง€์›ํ•˜๊ธฐ

Commands Cheat-Sheet

From https://lzone.de/cheat-sheet/memcached

์ง€์›๋˜๋Š” ๋ช…๋ น์–ด(๊ณต์‹ ๋ฐ ๋น„๊ณต์‹)๋Š” doc/protocol.txt ๋ฌธ์„œ์— ๋ฌธ์„œํ™”๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.

์•ˆํƒ€๊น๊ฒŒ๋„ ๊ตฌ๋ฌธ ์„ค๋ช…์ด ๋ช…ํ™•ํ•˜์ง€ ์•Š์œผ๋ฉฐ, ๊ธฐ์กด ๋ช…๋ น์–ด๋ฅผ ๋‚˜์—ดํ•˜๋Š” ๊ฐ„๋‹จํ•œ ๋„์›€ ๋ช…๋ น์–ด๊ฐ€ ํ›จ์”ฌ ๋” ์ข‹์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋‹ค์Œ์€ source์—์„œ ์ฐพ์„ ์ˆ˜ ์žˆ๋Š” ๋ช…๋ น์–ด์˜ ๊ฐœ์š”์ž…๋‹ˆ๋‹ค(2016๋…„ 8์›” 19์ผ ๊ธฐ์ค€):

| Command | Description | Example | | โ€“โ€“โ€“โ€“โ€“โ€“โ€“โ€“โ€“โ€“ | โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€” | โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€“ | โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€“ | | get | ๊ฐ’์„ ์ฝ์Šต๋‹ˆ๋‹ค | get mykey | | set | ํ‚ค๋ฅผ ๋ฌด์กฐ๊ฑด ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค |

set mykey

Unix CLI ๋„๊ตฌ๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ๋Š” \r\n์„ ์ค„ ๋ฐ”๊ฟˆ์œผ๋กœ ์‚ฌ์šฉํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด

printf โ€œset mykey 0 60 4\r\ndata\r\nโ€ | nc localhost 11211 | | add | ์ƒˆ ํ‚ค๋ฅผ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค | add newkey 0 60 5 | | replace | ๊ธฐ์กด ํ‚ค๋ฅผ ๋ฎ์–ด์”๋‹ˆ๋‹ค | replace key 0 60 5 | | append | ๊ธฐ์กด ํ‚ค์— ๋ฐ์ดํ„ฐ๋ฅผ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค | append key 0 60 15 | | prepend | ๊ธฐ์กด ํ‚ค ์•ž์— ๋ฐ์ดํ„ฐ๋ฅผ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค | prepend key 0 60 15 | | incr | ์ฃผ์–ด์ง„ ์ˆซ์ž๋งŒํผ ์ˆซ์ž ํ‚ค ๊ฐ’์„ ์ฆ๊ฐ€์‹œํ‚ต๋‹ˆ๋‹ค | incr mykey 2 | | decr | ์ฃผ์–ด์ง„ ์ˆซ์ž๋งŒํผ ์ˆซ์ž ํ‚ค ๊ฐ’์„ ๊ฐ์†Œ์‹œํ‚ต๋‹ˆ๋‹ค | decr mykey 5 | | delete | ๊ธฐ์กด ํ‚ค๋ฅผ ์‚ญ์ œํ•ฉ๋‹ˆ๋‹ค | delete mykey | | flush_all | ๋ชจ๋“  ํ•ญ๋ชฉ์„ ์ฆ‰์‹œ ๋ฌดํšจํ™”ํ•ฉ๋‹ˆ๋‹ค | flush_all | | flush_all | n ์ดˆ ์•ˆ์— ๋ชจ๋“  ํ•ญ๋ชฉ์„ ๋ฌดํšจํ™”ํ•ฉ๋‹ˆ๋‹ค | flush_all 900 | | stats | ์ผ๋ฐ˜ ํ†ต๊ณ„๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค | stats | | | ๋ฉ”๋ชจ๋ฆฌ ํ†ต๊ณ„๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค | stats slabs | | | ๋†’์€ ์ˆ˜์ค€์˜ ํ• ๋‹น ํ†ต๊ณ„๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค | stats malloc | | | ํ•ญ๋ชฉ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค | stats items | | | | stats detail | | | | stats sizes | | | ํ†ต๊ณ„ ์นด์šดํ„ฐ๋ฅผ ์žฌ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค | stats reset | | lru_crawler metadump | ์บ์‹œ์— ์žˆ๋Š” ํ•ญ๋ชฉ(๋ชจ๋‘)์˜ ๋ฉ”ํƒ€๋ฐ์ดํ„ฐ๋ฅผ ๋คํ”„ํ•ฉ๋‹ˆ๋‹ค | lru_crawler metadump all | | version | ์„œ๋ฒ„ ๋ฒ„์ „์„ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค | version | | verbosity | ๋กœ๊ทธ ์ˆ˜์ค€์„ ์ฆ๊ฐ€์‹œํ‚ต๋‹ˆ๋‹ค | verbosity | | quit | ์„ธ์…˜์„ ์ข…๋ฃŒํ•ฉ๋‹ˆ๋‹ค | quit |

Traffic Statistics

ํ˜„์žฌ ํŠธ๋ž˜ํ”ฝ ํ†ต๊ณ„๋ฅผ ์ฟผ๋ฆฌํ•˜๋ ค๋ฉด ๋‹ค์Œ ๋ช…๋ น์–ด๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

stats

์—ฐ๊ฒฐ ์ˆ˜, ์ž…์ถœ๋ ฅ ๋ฐ”์ดํŠธ ๋ฐ ๊ธฐํƒ€ ๋งŽ์€ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•˜๋Š” ๋ชฉ๋ก์„ ๋ฐ›๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

์˜ˆ์‹œ ์ถœ๋ ฅ:

STAT pid 14868
STAT uptime 175931
STAT time 1220540125
STAT version 1.2.2
STAT pointer_size 32
STAT rusage_user 620.299700
STAT rusage_system 1545.703017
STAT curr_items 228
STAT total_items 779
STAT bytes 15525
STAT curr_connections 92
STAT total_connections 1740
STAT connection_structures 165
STAT cmd_get 7411
STAT cmd_set 28445156
STAT get_hits 5183
STAT get_misses 2228
STAT evictions 0
STAT bytes_read 2112768087
STAT bytes_written 1000038245
STAT limit_maxbytes 52428800
STAT threads 1
END

Memory Statistics

ํ˜„์žฌ ๋ฉ”๋ชจ๋ฆฌ ํ†ต๊ณ„๋ฅผ ์ฟผ๋ฆฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

stats slabs

Iโ€™m ready to assist you with the translation. Please provide the text you would like me to translate.

STAT 1:chunk_size 80
STAT 1:chunks_per_page 13107
STAT 1:total_pages 1
STAT 1:total_chunks 13107
STAT 1:used_chunks 13106
STAT 1:free_chunks 1
STAT 1:free_chunks_end 12886
STAT 2:chunk_size 100
STAT 2:chunks_per_page 10485
STAT 2:total_pages 1
STAT 2:total_chunks 10485
STAT 2:used_chunks 10484
STAT 2:free_chunks 1
STAT 2:free_chunks_end 10477
[...]
STAT active_slabs 3
STAT total_malloced 3145436
END

๋ฉ”๋ชจ๋ฆฌ ์บ์‹œ ์ธ์Šคํ„ด์Šค์— ์ถฉ๋ถ„ํ•œ ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ์žˆ๋Š”์ง€ ํ™•์‹คํ•˜์ง€ ์•Š์€ ๊ฒฝ์šฐ, ํ•ญ์ƒ โ€œstatsโ€ ๋ช…๋ น์–ด๋กœ ์ œ๊ณต๋˜๋Š” โ€œevictionsโ€ ์นด์šดํ„ฐ๋ฅผ ํ™•์ธํ•˜์„ธ์š”. ์ธ์Šคํ„ด์Šค์— ์ถฉ๋ถ„ํ•œ ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ์žˆ๋‹ค๋ฉด โ€œevictionsโ€ ์นด์šดํ„ฐ๋Š” 0์ด๊ฑฐ๋‚˜ ์ตœ์†Œํ•œ ์ฆ๊ฐ€ํ•˜์ง€ ์•Š์•„์•ผ ํ•ฉ๋‹ˆ๋‹ค.

์–ด๋–ค ํ‚ค๊ฐ€ ์‚ฌ์šฉ๋˜๋‚˜์š”?

ํ˜„์žฌ ํ‚ค ์ง‘ํ•ฉ์„ ์ง์ ‘์ ์œผ๋กœ ๊ฒฐ์ •ํ•˜๋Š” ๋‚ด์žฅ ํ•จ์ˆ˜๋Š” ์—†์Šต๋‹ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋‹ค์Œ์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

stats items

ํ‚ค๊ฐ€ ๋ช‡ ๊ฐœ ์กด์žฌํ•˜๋Š”์ง€ ํ™•์ธํ•˜๋Š” ๋ช…๋ น.

stats items
STAT items:1:number 220
STAT items:1:age 83095
STAT items:2:number 7
STAT items:2:age 1405
[...]
END

์ด๊ฒƒ์€ ์ ์–ด๋„ ์–ด๋–ค ํ‚ค๊ฐ€ ์‚ฌ์šฉ๋˜๋Š”์ง€ ํ™•์ธํ•˜๋Š” ๋ฐ ๋„์›€์ด ๋ฉ๋‹ˆ๋‹ค. memcache ์ ‘๊ทผ์„ ์ด๋ฏธ ์ˆ˜ํ–‰ํ•˜๋Š” PHP ์Šคํฌ๋ฆฝํŠธ์—์„œ ํ‚ค ์ด๋ฆ„์„ ๋คํ”„ํ•˜๋ ค๋ฉด 100days.de์—์„œ PHP ์ฝ”๋“œ๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Tip

AWS ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ:HackTricks Training AWS Red Team Expert (ARTE)
GCP ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training GCP Red Team Expert (GRTE) Azure ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training Azure Red Team Expert (AzRTE)

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