질문&답변
클라우드/리눅스에 관한 질문과 답변을 주고 받는 곳입니다.
리눅스 분류

확인좀 부탁드립니다....(급질문)

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어떤 의미인지 확인좀 부탁드립니다...제가 생각하기에는 해킹을 당하고 있는 것 같습니다..

################## LogWatch 2.1.1 Begin #####################


--------------------- proftpd-messages Begin ------------------------

**Unmatched Entries**
xxxxxx.com (62.98.120.51[62.98.120.51]) - FTP session opened.
xxxxxx.com (62.98.120.51[62.98.120.51]) - FTP session closed.
xxxxxx.com (pf241.bochnia.sdi.tpnet.pl[217.97.94.241]) - FTP session opened.
xxxxxx.com (pf241.bochnia.sdi.tpnet.pl[217.97.94.241]) - FTP session closed.
xxxxxx.com (pf241.bochnia.sdi.tpnet.pl[217.97.94.241]) - FTP session opened.
xxxxxx.com (pf241.bochnia.sdi.tpnet.pl[217.97.94.241]) - FTP session closed.


---------------------- proftpd-messages End -------------------------



--------------------- sendmail Begin ------------------------

983688 bytes transferred
51 messages sent

**Unmatched Entries**

g653Onx02736: g653Oow02739: DSN: Service unavailable
g654lK903123: timeout waiting for input from xxxxxx.com during server cmd read
g654lK903123: lost input channel from xxxxxx.com [xxx.xxx.xxx.xxx] to MTA after rcpt
g656oK903381: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g656oK903381: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g656oK903381: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g656oK903381: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
NOQUEUE: [211.252.150.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
g656wv903386: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g656wv903386: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g656wv903386: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g656wv903386: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
NOQUEUE: [211.252.150.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
g6561Y903255: timeout waiting for input from xxxxxx.com during server cmd read
g6561Y903255: lost input channel from xxxxxx.com [xxx.xxx.xxx.xxx] to MTA after rcpt
g6573p903397: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g6573p903397: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g6573p903397: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
g6573p903397: ruleset=check_rcpt, arg1=, relay=[211.252.150.1], reject=550 5.7.1 ... Relaying denied. IP name lookup failed [211.252.150.1]
NOQUEUE: [211.252.150.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
g657g7V03467: g657gCU03470: DSN: Service unavailable
NOQUEUE: localhost.localdomain [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
g65947c03808: g65947b03811: DSN: Service unavailable
NOQUEUE: xxxxxx.com [xxx.xxx.xxx.xxx] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
g659Kje04204: g659Kpd04246: DSN: Service unavailable
g65CcjN04598: g65CcjO04598: DSN: User unknown
g65Ccgw04553: g65Ccmw04555: DSN: User unknown

---------------------- sendmail End -------------------------


---------------- Connections (secure-log) Begin -------------------

Connections:
Service pop-3:
xxx.xxx.xxx.xxx: 161 Time(s)

**Unmatched Entries**
Jul 5 11:11:21 xxxxxx sshd[2529]: scanned from 61.221.123.140 with SSH-1.0-SSH_Version_Mapper. Don't panic.
Jul 5 11:11:21 xxxxxx sshd[2528]: Did not receive identification string from 61.221.123.140.


----------------- Connections (secure-log) End --------------------



###################### LogWatch End #########################

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