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070-8260-2526
9 ~ 6
352-0331-1626-83
:ũڸ
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ȸ
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8879
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Ϸα (maillog) м
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ۼ :
1. : Ϸα״ ũ κ ʵ Ǿ ֽϴ. ʵ忡 ˾ƺ 4° ʵ ˾ƺڽϴ.
1.1 ù ° ʵ: αװ ¥ ðԴϴ.
1.2 ° ʵ: ȣƮ Դϴ
1.3 ° ʵ: ̸ PID Դϴ.
1.4 ° ʵ: õ ʵ Դϴ.
1.4.1 ʵ忡 õ αװ ϵ˴ϴ. α Ͻ Ư ڷ еǴµ ڿ ˾ƺڽϴ.
1.4.1.1 from: ߽ ּ
1.4.1.2 size: Ʈ ũ
1.4.1.3 class: (켱)ν 켱 ϴ
1.4.1.4 pri: 켱
1.4.1.5 nrcpts: aliasing forwarding ؼ Դϴ.
1.4.1.6 msgid: ĺ( )
1.4.1.7 proto: Ž ( ESMTP or UUCP)
1.4.18 relay: ӽ ̸
1.4.1.9 to: и Ʈ
1.4.1.10 delay: ߽ſ Ž ɸ ð
1.4.1.11 xdelay: õ ɸ ð(Ϲ ӽð)
1.4.1.12 mailer: ϴ mailer ̸
1.4..1.13 stat:
1.4.1.14 ctladdr: ִ ڰ ̸Դϴ.
1.4.1.15 dsn: Delivery Status Notification ڷν ǹմϴ (ڵ RFC 2034)
2. 1
( )
#]mail -s "Hello" ּ
Hello
Cc:
[root@paint /]]#
Ʒ α״ localhost ּҡ Դϴ.
(1) Jul 25 13:14:53 (2) paint (3) sendmail[13896]: (4) j6P4EruN013896: from=root, size=42, class="0," nrcpts=1,
msgid=<200507250414.j6P4EruN013896@localhost.localdomain>, relay=root@localhost 1. 7 25 13 14а濡 paint ȣƮ sendmail(μ ̵ 13896) α ϴ. ڴ root̰, size 42Ʈ, 켱 0̸, 1̰ ӽ ̸ root@localhost Դϴ. Jul 25 13:14:53 paint sendmail[13898]: j6P4Er0r013898: from=<root@localhost.localdomain>, size=339, class="0," nrcpts=1,
msgid=<200507250414.j6P4EruN013896@localhost.localdomain>, proto=ESMTP, daemon=MTA, relay=paint [127.0.0.1] 2. ̴ ϴ. root@localhost.localdomainκ ۵ ũ 339Ʈ̰ 0Դϴ. 1̰
ESMPT ߽ϴ. MTA(Mail Transfer agent)̰, ӽ ̸ paint[127.0.0.1], ȣƮԴϴ. Jul 25 13:14:53 paint sendmail[13896]: j6P4EruN013896: to= ּҡ, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30042,
relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (j6P4Er0r013898 Message accepted for delivery) 3. ڴ ּҡ ̰, ϴ ڰ ڴ root Դϴ. ߽ſ ɸ ð 0̰ mailer relayԴϴ.
Dsn 2.0.0 ϷḦ Ÿ ڵ Դϴ. ¸ Ÿ stat j6P4Er0r013898 㰡 Ǿ մϴ. Jul 25 13:14:53 paint sendmail[13900]: j6P4Er0r013898: to=< ּ>, ctladdr=<root@localhost.localdomain> (0/0), delay=00:00:00, xdelay=00:00:00,
mailer=esmtp, pri=30339, relay= 㰡 ȣƮ̸. [], dsn=2.0.0, stat=Sent (j6P4EkU09509 Message accepted for delivery) 4. mailer esmtp ߰, 㰡 ȣƮ̸ Ÿϴ.
3. 2
(Ʒ α״ ƿ ͽ ư αԴϴ.)
Jul 25 14:51:18 paint ipop3d[14629]: pop3 service init from
Jul 25 14:51:18 paint ipop3d[14629]: Mailbox vulnerable - directory /var/spool/mail must have 1777 protection
Jul 25 14:51:18 paint ipop3d[14629]: Login user=wonmanajji host=[ȣƮ ] nmsgs=1/1
Jul 25 14:51:18 paint ipop3d[14629]: Mailbox vulnerable - directory /var/spool/mail must have 1777 protection
Jul 25 14:51:18 paint ipop3d[14629]: Logout user=wonmanajji host=[ȣƮ ] nmsgs=0 ndele=1 ȣƮ ǡ ϴ pop3 Ͽ wonmanajji ڷ α Ͽϴ.
1̰ 1 Դϴ. Mailbox vulnerable Ȱν /var/spool/mail 丮 ̼ 1777 䱸ϰ ֽϴ.
wonmanajji αƿ߽ϴ.
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