System Archives - 28 중 28 번째 페이지

WinSocket

I/O 모델 연결시도/ 연결성공 메모리 사용량 (KB) Non-Paged Pool CPU 사용량 (%) 쓰레드 개수 처리량 (Send/Receive Byte Per Second) Blocking 7,000/1,008 12,000/1,008 25,632 25,408 36,121 36,352 10-60 5-40 2,016 2,016 2,198,148/2,198,148 404,227/402,227 Non-blocking 7,000/4,011 12,000/5,779 4,208 5,224 135,123 156,260 95-100 95-100 1 1 0/0 0/0 WSAAsync-Select 7,000/1,956 12,000/4,077 3640 4884 38,246 42,992 75-85 90-100 […]

sendmail 설정

※ 참고 (2026년 기준) 여기 나온 목록은 모두 스팸 발송지 블랙리스트(DNSBL)다. mail-abuse.org, relays.ordb.org, spamlist.or.kr 은 운영이 끝났고, 지금은 Spamhaus(zen.spamhaus.org) 처럼 운영 중인 목록을 쓴다.

sendmail.mc 수정

[ Korean White Domain 설정시]

FEATURE(dnsbl, `blackholes.mail-abuse.org', `Rejected - see http://www.mail-abuse.org/rbl/')dnl
FEATURE(dnsbl, `spamlist.or.kr', `Rejected - see http://www.kisarbl.or.kr/')dnl

1 2	FEATURE(dnsbl, `blackholes.mail-abuse.org', `Rejected - see http://www.mail-abuse.org/rbl/')dnl FEATURE(dnsbl, `spamlist.or.kr', `Rejected - see http://www.kisarbl.or.kr/')dnl

[Spam Filtering 해외 블랙 도메인 설정시]

FEATURE(`dnsbl', `relays.ordb.org', `"Rejected due to Open Relay see http://www.ordb.org/lookup/?host=" $&{clientaddr} " for more information"')dnl
FEATURE(`dnsbl', `sbl.spamhaus.org', `"Rejected due to Spamhaus listing see http://www.abuse.net/sbl.phtml?IP=" $&{clientaddr} " for more information"')dnl

FEATURE(`dnsbl', `relays.ordb.org', `"Rejected due to Open Relay see http://www.ordb.org/lookup/?host=" $&{clientaddr} " for more information"')dnl

FEATURE(`dnsbl', `sbl.spamhaus.org', `"Rejected due to Spamhaus listing see http://www.abuse.net/sbl.phtml?IP=" $&{clientaddr} " for more information"')dnl

[To stop accepting E-mail from unresolvable domains ]

FEATURE(`accept_unresolvable_domains')dnl

1	FEATURE(`accept_unresolvable_domains')dnl

오라클에서 컬럼 명들을 가지고 오는 쿼리

select *
from dba_col_comments
where 1=1
and owner='anyxxxxxx'
and comments is NULL
and table_name not like 'BIN$%'
order by table_name

select *

from dba_col_comments

where 1=1

and owner='anyxxxxxx'

and comments is NULL

and table_name not like 'BIN$%'

order by table_name

관련 글: 오라클에서 테이블 명들을 가지고 오는 쿼리

anydragon

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WinSocket

sendmail 설정

오라클에서 컬럼 명들을 가지고 오는 쿼리

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