ื ืืืื ืจืึทืืืขืจ (ืืื ืืขื ืคืึทื FritzBox) ืงืขื ืขื ืจืขืงืึธืจืืืจื ืึท ืคึผืืึทืฅ: ืืื ืคืื ืคืึทืจืงืขืจ ืืืื ืืืขื, ืืืขืจ ืืื ืงืึธื ื ืขืงืืขื ืืื ืืืึธืก ืืืืงืืึทื, ืืื"ื ื. ื ืคืขืื ื ืึธืืขื ืกืขืจืืืขืจ (ืื ืก) ืืืืฃ ืื ืืืืข ื ืขืฅ ืืขืืึธืืคึฟื ืืืจ ืืขืคึฟืื ืขื ืืืึธืก ืืื ืคืึทืจืืึธืจืื ืืื ืืขืจ ืื ืืืืืึทืงืึทื ื ืจืืกืืคึผืืึทื ืฅ.
ืงืืืืขืืืืง, DNS ืืื ืึท positive ืคึผืจืึทื ืืืืฃ ืื ืืืื ื ืขืฅ: ืขืก ืืื ืฆืืืขืืืืื ืืืืงืืึทื, ืคืขืกืืงืืึทื ืืื ืืึทื ืืืืฉืึทืืืืืื.
ืื ืืขืจ ืืื ืึท ืืืึทืืจืึทืืข ืืืึธืก ืืึธื ืืืืคืืขืืืขืงื ืคึฟืจืืื ืืื ืื ื ืืื ืฆื ืคึฟืึทืจืฉืืืื ืืืึธืก ืืื ืืขืฉืขืขื ืืฉ. ืื ืจืขืืืืืึทืื ืฉืืื ืคืืืืขืจ ืืืืก ืืึทืืืืกื ืืื ืืจืืขืื ืจืืงืืืขืก ืฆื ืคืขืื ื ืึธืืขื ืกืขืจืืืขืจืก.
ืคืืจืืืืก ืืขื ืขื 60 ืืืง ืืึธืืืืื ื ืคึผืึธืืื ืืขืืขืจ ืืึธื ืืฉืขืช ืึทืืขืืขื ืืื ื ืึธื ืฉืืึธืคื ืืืง?
ืืขืืขืจ ืืึธื, 440 ืืืืืึทืงืึทื ื ืืึธืืืืื ื ืืขื ืขื ืคึผืึธืืื ืืขืฉืึทืก ืึทืงืืืื ืฉืขื. ืืืขืจ ืืขื ืขื ืืื ืืื ืืืึธืก ืืึธื ืืื ืืึธื?
ืืืจืืฉื ืืืืขื ื ืืืขืจ ืคืื ืจืืงืืืขืก ืคึผืขืจ ืืึธื ืืืจื ืฉืขื
SQL ืืึทืจืืื ืึธื ืคึฟืจืขื
WITH CLS AS ( /* prepare unique requests */
SELECT
DISTINCT DATE_NK,
STRFTIME( '%s', SUBSTR(DATE_NK,8,4) || '-' ||
CASE SUBSTR(DATE_NK,4,3)
WHEN 'Jan' THEN '01' WHEN 'Feb' THEN '02' WHEN 'Mar' THEN '03' WHEN 'Apr' THEN '04' WHEN 'May' THEN '05' WHEN 'Jun' THEN '06'
WHEN 'Jul' THEN '07' WHEN 'Aug' THEN '08' WHEN 'Sep' THEN '09' WHEN 'Oct' THEN '10' WHEN 'Nov' THEN '11'
ELSE '12' END || '-' || SUBSTR(DATE_NK,1,2) || ' ' || SUBSTR(TIME_NK,1,8) ) AS EVENT_DT,
REQUEST_NK, DOMAIN
FROM STG_BIND9_LOG )
SELECT
1 as 'Line: DNS Requests per Day for Hours',
strftime('%H:00', datetime(EVENT_DT, 'unixepoch')) AS 'Day',
ROUND(1.0*SUM(1)/COUNT(DISTINCT strftime('%d.%m', datetime(EVENT_DT, 'unixepoch'))), 1) AS 'Requests per Day'
FROM CLS
WHERE DOMAIN NOT IN ('in-addr.arpa', 'IN-ADDR.ARPA', 'local', 'dyndns', 'nas', 'ntp.org')
AND datetime(EVENT_DT, 'unixepoch') > date('now', '-20 days')
GROUP BY /* hour aggregate */
strftime('%H:00', datetime(EVENT_DT, 'unixepoch'))
ORDER BY strftime('%H:00', datetime(EVENT_DT, 'unixepoch'))ืืื ื ืึทืื, ืืืืืจืืืก ืึทืงืกืขืก ืืื ืคืึทืจืงืจืืคึผืื ืืื ืืืื ืืขืืืงืืื ืืื ืืขืจืืืึทืจื, ื.ื. ืขืก ืืื ืงืืื ืคึผืึธืืืื ื ืคึฟืึทืจ ืืืืืึทืงืึทื ื ืืึธืืืืื ื. ืืขื ืืืื ืึทื ืื ืืจืขืกืืข ืืขืืืงืืื ืงืืื ืคืื ืืขืืืืกืขืก ืืื ืึธืคึผืขืจืืืืื ื ืกืืกืืขืืขื ืึทืืึท ืืื ืึทื ืืจืืื, ืืึธืก ืืื ืึธืืฉืขื ืืฆืข ืึทืก.
ืืื ืก ืจืฉืืื ืื ืืึธืืืืื ื ืืืึธืก ืืขื ืขื ืคึผืึธืืื ืื ืืขื ืกืืืืื. ืื ืื ืืขื ืกืืื ืืืขื ืืืื ืืืฉืืืกื ืืืจื ืคึผืึทืจืึทืืขืืขืจืก ืึทืืึท ืืื ืื ื ืืืขืจ ืคืื ืจืืงืืืขืก ืคึผืขืจ ืืึธื, ืื ื ืืืขืจ ืคืื ืืขื ืคืื ืืขืืืงืืื ืืื ืืื ืืื ืคืืืข ืฉืขื ืคืื ืืขื ืืึธื ืืื ืืขื ืขื ืืืืขืจืงื.
ืึทืืข ืื ืืขืจืืืึทืจื ืกืึทืกืคึผืขืงืฅ ืืขื ืขื ืืขืืืขื ืืืืฃ ืืขืจ ืจืฉืืื.
ืื ืืขื ืกืืืืื ืคึผืึธืืื ืืึธืืืืื ื
SQL ืืึทืจืืื ืึธื ืคึฟืจืขื
WITH CLS AS ( /* prepare unique requests */
SELECT
DISTINCT DATE_NK,
STRFTIME( '%s', SUBSTR(DATE_NK,8,4) || '-' ||
CASE SUBSTR(DATE_NK,4,3)
WHEN 'Jan' THEN '01' WHEN 'Feb' THEN '02' WHEN 'Mar' THEN '03' WHEN 'Apr' THEN '04' WHEN 'May' THEN '05' WHEN 'Jun' THEN '06'
WHEN 'Jul' THEN '07' WHEN 'Aug' THEN '08' WHEN 'Sep' THEN '09' WHEN 'Oct' THEN '10' WHEN 'Nov' THEN '11'
ELSE '12' END || '-' || SUBSTR(DATE_NK,1,2) || ' ' || SUBSTR(TIME_NK,1,8) ) AS EVENT_DT,
REQUEST_NK, DOMAIN
FROM STG_BIND9_LOG )
SELECT
1 as 'Table: Havy DNS Requests',
REQUEST_NK AS 'Request',
DOMAIN AS 'Domain',
REQ AS 'Requests per Day',
DH AS 'Hours per Day',
DAYS AS 'Active Days'
FROM (
SELECT
REQUEST_NK, MAX(DOMAIN) AS DOMAIN,
COUNT(DISTINCT REQUEST_NK) AS SUBD,
COUNT(DISTINCT strftime('%d.%m', datetime(EVENT_DT, 'unixepoch'))) AS DAYS,
ROUND(1.0*SUM(1)/COUNT(DISTINCT strftime('%d.%m', datetime(EVENT_DT, 'unixepoch'))), 1) AS REQ,
ROUND(1.0*COUNT(DISTINCT strftime('%d.%m %H', datetime(EVENT_DT, 'unixepoch')))/COUNT(DISTINCT strftime('%d.%m', datetime(EVENT_DT, 'unixepoch'))), 1) AS DH
FROM CLS
WHERE DOMAIN NOT IN ('in-addr.arpa', 'IN-ADDR.ARPA', 'local', 'dyndns', 'nas', 'ntp.org')
AND datetime(EVENT_DT, 'unixepoch') > date('now', '-20 days')
GROUP BY REQUEST_NK )
WHERE DAYS > 9 -- long period
ORDER BY 4 DESC, 5 DESC
LIMIT 20ืืืจ ืคืึทืจืฉืคึผืึทืจื isั.blackberry.com ืืื iceberg.blackberry.com, ืืืึธืก ืืขืจ ืคืึทืืจืืงืึทื ื ืืืขื ืืึทืจืขืืืืงื ืคึฟืึทืจ ืืืืขืจืืืื ืกืืืืช. ืจืขืืืืืึทื: ืืืขื ืืืจ ืคึผืจืืืืจื ืฆื ืคืึทืจืืื ืื ืฆื ืื WLAN, ืขืก ืืืืืื ืื ืืึธืืื ืืืึทื ืืื ืงืืื ืืึธื ืงืึทื ืขืงืฅ ืขืจืืขืฅ ืืืืืขืจ. ืืื ืก ืืคืฉืืืกื ืขืก.
detectportal.firefox.com ืืื ืืขืจ ืืขืืืืงืขืจ ืืขืงืึทื ืืืึทื, ืืืืื ืืืคึผืืึทืืขื ืึทื ืืื ืื Firefox ืืืขืืขืจืขืจ. ืืืื ืืืจ ืืึทืจืคึฟื ืฆื ืงืืึธืฅ ืืื ืื WLAN ื ืขืฅ, ืขืก ืืืขื ืขืจืฉืืขืจ ืืืืึทืื ืื ืืึธืืื ืืืึทื. ืขืก ืืื ื ืืฉื ืืึธืจ ืงืืึธืจ ืืืึธืก ืื ืึทืืจืขืก ืืึธื ืืืื ืคึผืื ืืขื ืึทืืื ืึธืคื, ืึธืืขืจ ืื ืืขืงืึทื ืืืึทื ืืื ืงืืืจ ืืืกืงืจืืืื ืืืจื ืืขืจ ืคืึทืืจืืงืึทื ื.
ืกืงืืคึผืข. ืื ืึทืงืฉืึทื ื ืคืื ืืขื ืคึผืจืึธืืจืึทื ืืขื ืขื ืขื ืืขื ืฆื ืึท ืืืึธืจืขื: ืขืก ืืืืื ืืื ืงืขื ื ืืฉื ืคืฉืื ืืึธืื ืืื ืฆื ืืืื ืืขืืจืืขื ืืื ืื ืืึทืกืงืืึทืจ, ืืืฉืขื ืขืจืืืฅ ืึท ืคึผืืึทืฅ ืคืื ืคืึทืจืงืขืจ ืืืืฃ ืื ื ืขืฅ, ืคึผืื ื 10 ืืึธืืืืื ื ืืขืืขืจ 4 ืืื ืื. ืืืขื ืืืจ ืืึทืื ืึท ืืืืืขื ืจืืคื, ืื ืืื ืืขืจื ืขื ืงืฉืจ ืงืขืกืืืืขืจ ืืจืืืงืก ืึทืจืึธืคึผ, ืืืขื ืขืก ืงืขื ื ืืฉื ืืืื ืืขืกืขืจ. ืคึฟืึทืจ ืืืฆื ืขืก ืืื ื ืืืืืง, ืึทืืื ืขืก ืืืืืื.
upload.fp.measure.office.com - ืจืขืคืขืจืก ืฆื ืึธืคืคืืกืข 365, ืืื ืงืขื ื ืืฉื ืืขืคึฟืื ืขื ืึท ืืืึทืืืฉ ืืึทืฉืจืืึทืืื ื.
browser.pipe.aria.microsoft.com - ืืื ืงืขื ื ืืฉื ืืขืคึฟืื ืขื ืึท ืืืึทืืืฉ ืืึทืฉืจืืึทืืื ื.
ืืืจ ืคืึทืจืฉืคึผืึทืจื ืืืืืข.
connect.facebook.net - ืคืึทืกืขืืึธืึธืง ืฉืืืขืก ืึทืคึผืืึทืงืืืฉืึทื. ืืืืืื.
mediator.mail.ru ืึทื ืึทื ืึทืืืกืืก ืคืื ืึทืืข ืจืืงืืืขืก ืคึฟืึทืจ ืื mail.ru ืคืขืื ืืขืืืืื ืื ืืืึทืืืึทื ืคืื ืึท ืจืืืืง ื ืืืขืจ ืคืื ืืึทื ืฆืข ืจืขืกืืจืกื ืืื ืกืืึทืืืกืืืง ืงืึทืืขืงืืขืจื, ืืืึธืก ืืืึทื ืขื ืืืกืืจืึทืกื. ืื mail.ru ืคืขืื ืืื ืืขืฉืืงื ืืขืืึทืืจืข ืฆื ืื ืืืึทืงืืืกื.
google-analytics.com - ืืื ื ืืฉื ืืืืจืงื ืื ืคืึทื ืืงืฉืึทื ืึทืืืื ืคืื ืืขืืืืกืขืก, ืึทืืื ืืืจ ืคืึทืจืฉืคึผืึทืจื ืขืก.
doubleclick.net - ืงืึทืื ืฅ ืืึทื ืฆืข ืงืืืงืก. ืืืจ ืืืึธืง.
ืคืืืข ืจืืงืืืขืก ืืืื ืฆื googleapis.com. ืื ืืืึทืงืื ื ืืื ืืขืคึฟืืจื ืฆื ืื ืคืจืืืืืง ืฉืึทืืืึทืื ืคืื ืงืืจืฅ ืึทืจืืืงืืขื ืืืืฃ ืื ืืึทืืืขื, ืืืึธืก ืืืกืงืืืขื ื ืึทืจืืฉ ืคึฟืึทืจ ืืืจ. ืึธืืขืจ ืื ืคึผืืืึทืกืืึธืจืข ืคืืจืฉืืืคื ืืจืืขืื, ืึทืืื ืืึธืื ืืื ืื ืืคืฉืืืกื ืขืก.
cloudflare.com - ืืื ืฉืจืืึทืื ืึทื ืืื ืืืืข ืึธืคึฟื ืืงืืจ ืืื, ืืื ืึทืืืขืืืื, ืฉืจืืึทืื ืึท ืคึผืืึทืฅ ืืืขืื ืืื. ืื ืื ืืขื ืกืืื ืคืื ืื ืคืขืื ืืืขืจืืืืง ืืื ื ืืฉื ืืึธืจ ืงืืึธืจ, ืืืึธืก ืืื ืึธืคื ืคืื ืืขืืขืจ ืืื ืื ืคืึทืงืืืฉ ืืขืืืงืืื ืืืืฃ ืื ืืื ืืขืจื ืขื. ืืื ืก ืืึธืื ืขืก ืคึฟืึทืจ ืืืฆื.
ืืืื, ืื ืื ืืขื ืกืืื ืคืื ืจืืงืืืขืก ืืื ืึธืคื ืฉืืื ืฆื ืื ืคืืจืืื ืื ืคืึทื ืืงืฉืึทื ืึทืืืื ืคืื ืื ืืขืืืืกืขืก. ืืืข ืจ ื ื ืฐื ืก ืืื ื ืื ื ืืืืขืจืืขืืขื ื ืื ื ืืขืืืงืฒ ื ืืฒื ืข ื ืืื ื ืื ืืืขืง ื ืืขืฐืืจื .
ืืขืจ ืขืจืฉืืขืจ
ืืืขื ืื ืืืืืจืืืก ืืื ืืขืจื ืขื ืืื ืืืืกืืขืืจืืื, ืึทืืขืืขื ืืื ื ืึธื ืฉืืึธืคื ืืืง ืืื ืขืก ืืื ืืขืืืขื ืฆื ืืขื ืืืึธืก ืจืืงืืืขืก ืืขื ืขื ืืขืฉืืงื ืฆื ืื ื ืขืฅ ืขืจืฉืืขืจ. ืึทืืื, 6:50 ืื ืืื ืืขืจื ืขื ืืืจื ืก ืืืืฃ ืืื ืืื ืืขืจ ืขืจืฉืืขืจ ืฆืขื-ืืื ืื ืฆืืื 60 ืืึธืืืืื ื ืืขื ืขื ืคึผืึธืืื ืืขืืืขื:
SQL ืืึทืจืืื ืึธื ืคึฟืจืขื
WITH CLS AS ( /* prepare unique requests */
SELECT
DISTINCT DATE_NK,
STRFTIME( '%s', SUBSTR(DATE_NK,8,4) || '-' ||
CASE SUBSTR(DATE_NK,4,3)
WHEN 'Jan' THEN '01' WHEN 'Feb' THEN '02' WHEN 'Mar' THEN '03' WHEN 'Apr' THEN '04' WHEN 'May' THEN '05' WHEN 'Jun' THEN '06'
WHEN 'Jul' THEN '07' WHEN 'Aug' THEN '08' WHEN 'Sep' THEN '09' WHEN 'Oct' THEN '10' WHEN 'Nov' THEN '11'
ELSE '12' END || '-' || SUBSTR(DATE_NK,1,2) || ' ' || SUBSTR(TIME_NK,1,8) ) AS EVENT_DT,
REQUEST_NK, DOMAIN
FROM STG_BIND9_LOG )
SELECT
1 as 'Table: First DNS Requests at 06:00',
REQUEST_NK AS 'Request',
DOMAIN AS 'Domain',
REQ AS 'Requests',
DAYS AS 'Active Days',
strftime('%H:%M', datetime(MIN_DT, 'unixepoch')) AS 'First Ping',
strftime('%H:%M', datetime(MAX_DT, 'unixepoch')) AS 'Last Ping'
FROM (
SELECT
REQUEST_NK, MAX(DOMAIN) AS DOMAIN,
MIN(EVENT_DT) AS MIN_DT,
MAX(EVENT_DT) AS MAX_DT,
COUNT(DISTINCT strftime('%d.%m', datetime(EVENT_DT, 'unixepoch'))) AS DAYS,
ROUND(1.0*SUM(1)/COUNT(DISTINCT strftime('%d.%m', datetime(EVENT_DT, 'unixepoch'))), 1) AS REQ
FROM CLS
WHERE DOMAIN NOT IN ('in-addr.arpa', 'IN-ADDR.ARPA', 'local', 'dyndns', 'nas', 'ntp.org')
AND datetime(EVENT_DT, 'unixepoch') > date('now', '-20 days')
AND strftime('%H', datetime(EVENT_DT, 'unixepoch')) = strftime('%H', '2019-08-01 06:50:00')
GROUP BY REQUEST_NK
)
WHERE DAYS > 3 -- at least 4 days activity
ORDER BY 5 DESC, 4 DESCืคืืจืขืคืึธืงืก ืืฉืขืงืก ืื WLAN ืคึฟืึทืจืืื ืืื ื ืคึฟืึทืจ ืืขื ืืืึทืืืึทื ืคืื ืึท ืืึธืืื ืืืึทื.
Citrix ืคึผืื ื ืืืื ืกืขืจืืืขืจ ืืคืืื ืืึธืืฉ ืื ืึทืคึผืืึทืงืืืฉืึทื ืืื ื ืืฉื ืึทืงืืืืืื ืคืืืกื ืืืง.
Symantec ืืืขืจืึทืคืืื ืกืขืจืืืคืืงืึทืฅ.
ืืึธืืืืืึท ืืฉืขืงืก ืคึฟืึทืจ ืืขืจืืืึทื ืืืงืื ืืขื, ืืึธืืฉ ืืื ืื ืกืขืืืื ืืก ืืื ืืขืืขืื ื ืืฉื ืฆื ืืึธื ืืึธืก.
mmo.de ืืื ืึท ืืืืืื ื ืืื ืกื. ืจืืึฟ ืืกืชึผืื ืื ืืงืฉื ืืื ืื ืืฉืืืืืื ืืืจื ืคืึทืกืขืืึธืึธืง ืฉืืืขืกื. ืืืจ ืืืึธืง.
ืขืคึผื ืืืขื ืึทืงืืึทืืืืื ืึทืืข ืืืึทื ืืึทืืื ืื ืืก. api-glb-fra.smoot.apple.com - ืืืื ืืฉืคืื ืืืื ืื ืืึทืฉืจืืึทืืื ื, ืืขืืขืจ ืงืืืงืื ื ืงื ืขืคึผื ืืื ืืขืฉืืงื ืืึธ ืคึฟืึทืจ ืืืื ืืึธืืึธืจ ืึทืคึผืืึทืืึทืืืืฉืึทื ืฆืืืขืงื. ืืขืืกื ืกืึทืกืคึผืืฉืึทืก, ืึธืืขืจ ืฉืืื ืฆื ืคืึทื ืืงืฉืึทื ืึทืืืื. ืืืจ ืืึธืื ืขืก.
ืื ืคืืืืขื ืืข ืืื ืึท ืืึทื ื ืจืฉืืื ืคืื ืจืืงืืืขืก ืฆื microsoft.com. ืืืจ ืคืึทืจืฉืคึผืึทืจื ืึทืืข ืืึธืืืืื ื ืกืืึทืจืืื ื ืคืื ืื ืืจืื ืฉืืึทืคึผื.
ื ืืืขืจ ืคืื ืืืืขืจ ืขืจืฉืืขืจ ืกืืืืึธืืึทืื ืก
ืึทืืื, ืืขืจ ืขืจืฉืืขืจ 10 ืืื ืื ืคืื ืืืจื ืื ื ืืืืฃ ืื ืืืืืจืืืก ืืื ืืขืจื ืขื.
ืืึธืก ืคึผืึธืืืก ืื ืืขืจืกื ืกืืืืึธืืึทืื ืก - 32. ื ืืืืขืืื ืืขื ืืืจื ืึทื ืืจืืื - 24, ืืขืืึธืื Windows - 15 ืืื ืืขืกืึธืฃ ืืืึทืงืงืืขืจืจื - 9.
ืื ืคืึทืกืขืืึธืึธืง ืึทืคึผืืึทืงืืืฉืึทื ืึทืืืื ืคึผืึธืืืก 10 ืืึธืืืืื ื, ืกืงืืคึผืข ืคึผืึธืืืก 9 ืืึธืืืืื ื.
ืืขืจ ืืงืืจ ืคืื ืืื ืคึฟืึธืจืืึทืฆืืข
ืืขืจ ืืงืืจ ืคึฟืึทืจ ืื ืึทื ืึทืืืกืืก ืืื ืืขืืืขื ืื ืืื ื9 ืืืืข ืกืขืจืืืขืจ ืงืืึธืฅ ืืขืงืข, ืืืึธืก ืึผืืื ืื ืคืืืืขื ืืข ืคึฟืึธืจืืึทื:
01-Aug-2019 20:03:30.996 client 192.168.0.2#40693 (api.aps.skype.com): query: api.aps.skype.com IN A + (192.168.0.102)
ืืขืจ ืืขืงืข ืืื ืืืคึผืึธืจืืื ืืื ืึท sqlite ืืึทืืึทืืืืก ืืื ืึทื ืึทืืืืื ืืื SQL ืงืืืืจืื.
ืืขืจ ืกืขืจืืืขืจ ืึทืงื ืืื ืึท ืงืึทืฉ; ืจืืงืืืขืก ืงืืืขื ืคืื ืื ืจืึทืืืขืจ, ืึทืืื ืขืก ืืื ืฉืืขื ืืืง ืืืื ืืงืฉื ืงืืืขื ื. ื ืกืืืคึผืืึทืคืืื ืืืฉ ืกืืจืืงืืืจ ืืื ืืขื ืื, ื.ื. ืืขืจ ืืึทืจืืื ืจืืงืืืืืขืจื ืื ืฆืืื ืคืื ืื ืืงืฉื, ืื ืืขืื ืืื ืืื ืื ืฆืืืืืืข ืืืจืื ืคืขืื ืคึฟืึทืจ ืืจืืคึผืื ื.
ืืื ืืืฉื
CREATE TABLE STG_BIND9_LOG (
LINE_NK INTEGER NOT NULL DEFAULT 1,
DATE_NK TEXT NOT NULL DEFAULT 'n.a.',
TIME_NK TEXT NOT NULL DEFAULT 'n.a.',
CLI TEXT, -- client
IP TEXT,
REQUEST_NK TEXT NOT NULL DEFAULT 'n.a.', -- requested domain
DOMAIN TEXT NOT NULL DEFAULT 'n.a.', -- domain second level
QUERY TEXT,
UNIQUE (LINE_NK, DATE_NK, TIME_NK, REQUEST_NK)
);ืจืขืืืืืึทื
ืืืื, ืืื ืึท ืจืขืืืืืึทื ืคืื ืื ืึทื ืึทืืืกืืก ืคืื ืื ืคืขืื ื ืึธืืขื ืกืขืจืืืขืจ ืงืืึธืฅ, ืืขืจ ืืื 50 ืจืขืงืึธืจืืก ืืขื ืขื ืกืขื ืกืขืจื ืืื ืืขืฉืืขืื ืืืืฃ ืื ืืืึธืง ืจืฉืืื.
ืื ื ืืืืืงืืึทื ืคืื ืขืืืขืืข ืงืืืืจืื ืืื ืืขืืื ื ืืืกืงืจืืืื ืืืจื ืืืืืืืืืจื ืืึทื ืืึทืคืึทืงืืฉืขืจืขืจื ืืื ืื ืกืคึผืืืจื ืืืืื. ืึธืืขืจ, ืคืื ืคืื ืื ืืขืืืงืืื ืืื ืึทื ืคืึทืื ืืื ืืื ืคึผืจืึธืืืขืืึทืืืฉ.
ืืงืืจ: www.habr.com