적수네 동네 - 질문과 답변 [ 게시물 수정 ]

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			이름
			제목
			패스워드

이런 제목으로 메일이 한통 왔습니다. 어떤 내용인지.. ㅠ.ㅠ
리눅스 서버를 운영 중인데... root계정으로 이런 메일이 왔습니다..
 제목 : LogWatch for ns
내용 :
 ################## LogWatch 2.6 Begin ##################### 
  --------------------- proftpd-messages Begin ------------------------ 
 **Unmatched Entries**
ns (218.4.30.99[218.4.30.99]) - FTP session opened. 
ns (218.4.30.99[218.4.30.99]) - FTP session closed. 
ns (200.157.101.18[200.157.101.18]) - FTP session opened. 
ns (200.157.101.18[200.157.101.18]) - FTP session opened. 
ns (200.157.101.18[200.157.101.18]) - FTP session closed. 
ns (200.157.101.18[200.157.101.18]) - FTP session closed. 
   ---------------------- proftpd-messages End ------------------------- 
    ---------------- Connections (secure-log) Begin ------------------- 
 Connections:
   Service telnet:
      203.226.124.2: 1 Time(s)
 **Unmatched Entries**
proftpd[10913]: ns (218.4.30.99[218.4.30.99]) - ANON anonymous: Login successful. 
proftpd[11367]: ns (200.157.101.18[200.157.101.18]) - ANON ftp: Login successful. 
   ----------------- Connections (secure-log) End -------------------- 
    --------------------- sendmail Begin ------------------------ 
 1076 bytes transferred
3 messages sent
 **Unmatched Entries**
 gB8KFMNW011395: ruleset=check_rcpt, arg1=<kuhuna@losertech.com>, relay=[65.102.133.229], reject=550 5.7.1 <kuhuna@losertech.com>... Relaying denied. IP name lookup failed [65.102.133.229]
  ---------------------- sendmail End ------------------------- 
   ###################### LogWatch End #########################