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 Hit : 5577
 À̸§ : È£¼®  (211.¢½.74.31)
 ³¯Â¥ : 2006-01-04 17:37:00
 Á¦¸ñ : Spamassassin ¼³Ä¡ ( spam ¸ÞÀÏ Â÷´Ü )
SpamAssassin°ú ÇÔ²² ÇÑ È­¿äÀÏ | MoinMoin À§Å° 2004/05/12 13:28 
 
http://blog.naver.com/mahajjh/140002419527
 
ÃÖ±Ù ½ºÆÔÀÌ ¸¹¾ÆÁ®¼­ ½ºÆÔÀ» °É·¯³¾ ¹æ¹ýÀ» ã¾Æº¸¾Ò´Ù.  ¿©·¯°¡Áö ¹æ¹ýÁß¿¡
Á¶¸¸°£ ¾ÆÆÄÄ¡ ÇÁ·ÎÁ§Æ®¿¡ ÇÕ·ùÇÏ°Ô µÉ SpamAssassinÀ» ½ÃµµÇØ º¸¾Ò´Ù.

 

SpamAssassinÀº ¿©·¯°¡Áö ¹æ¹ýÀ¸·Î ½ºÆÔÀ» ã´Â´Ù.
 * Çì´õ¿Í º»¹®¿¡¼­ ¹Ì¸® Á¤ÀÇÇÑ ±ÔÄ¢À» ã´Â´Ù.
      http://www.spamassassin.org/tests.html À» º¸´Ï ±ÔÄ¢ÀÌ 900°³°¡ ³Ñ´Â´Ù.
 * Çùµ¿ÀûÀÎ ½ºÆÔ µ¥ÀÌÅͺ£À̽º¿¡¼­ µ¿ÀÏÇÑ ¸ÞÀÏÀÌ ½ºÆÔÀ¸·Î µî·ÏµÇ¾ú´ÂÁö È®ÀÎÇÑ´Ù.
      DCC, Pyzor, Razor2, RBL, mail-abuse.org, ordb.org µîÀ» ÀÌ¿ëÇÑ´Ù.
  * Bayesian ÇÊÅÍ
      °Ë»çÇØ¿Â °á°ú, ½ºÆÔ¿¡ Æ÷ÇÔµÈ ´Ü¾îµé°ú ½ºÆÔÀÌ ¾Æ´Ñ ¸ÞÀÏ¿¡ Æ÷ÇÔµÈ ´Ü¾îµéÀÇ
      È®·üÀ» °¡Áö°í ½ºÆÔ ¿©ºÎ¸¦ ÆÇ´ÜÇÑ´Ù.  A Plan for Spam Âü°í.
 * °Ë»çÇØ¿Â °á°ú¸¦ ¹ÙÅÁÀ¸·Î whitelist¿Í blacklist¸¦ À¯ÁöÇÑ´Ù.
 * Á÷Á¢ whitelist¿Í blacklist¸¦ ÁöÁ¤ÇÒ ¼öµµ ÀÖ´Ù.

 

¾à 3ÀÏ°£ »ç¿ëÇغ» °á°ú ÃÑ 288°³ ½ºÆÔÁß 88%ÀÎ 254°³¸¦ °É·¯³Â°í, ½ºÆÔÀÌ ¾Æ´Ñ
¸ÞÀÏ (¿Â¶óÀÎ ¼­Á¡ÀÇ ÁÖ±âÀûÀÎ È«º¸ ¸ÞÀÏ) 1°³¸¦ ½ºÆÔÀ¸·Î À߸ø ÆÇ´ÜÇÏ¿´´Ù.

 

 

----------------------------------------

 

SpamAssassinÀº ¸ðµç »ç¿ëÀÚ°¡ »ç¿ëÇϵµ·Ï ¼³Ä¡ÇÏ¿© ¼­¹ö/Ŭ¶óÀ̾ðÆ® ¹æ½ÄÀ¸·Î
µ¿ÀÛÇÒ ¼ö ÀÖ°í, ¿©·¯ ÀÎÅÍÆäÀ̽º¸¦ »ç¿ëÇÏ¿© ÇÁ·Î±×·¡¹ÖÇÒ ¼öµµ ÀÖ´Ù.  ³ª´Â

°£´ÜÈ÷ °³Àο뵵·Î »ç¿ëÇÏ·Á°í ³» Ȩµð·ºÅ丮¿¡ ¼³Ä¡ÇÏ¿´´Ù.

 

¼Ò½ºÄڵ带 ´Ù¿î¹Þ°í ¾ÐÃàÀ» Ǭ ´ÙÀ½,


    perl Makefile.PL PREFIX=~/local/sa SYSCONFDIR=~/local/sa
    make
    make install

 

±×¸®°í ~/.procmailrc ¿¡ ÀÎÅͳݿ¡¼­ ãÀº ´ÙÀ½°ú °°Àº ¼³Á¤À» Ãß°¡ÇÏ¿´´Ù.

 

# SpamAssassin sample procmailrc
#
# Pipe the mail through spamassassin (replace 'spamassassin' with 'spamc'
# if you use the spamc/spamd combination)
#
# The condition line ensures that only messages smaller than 250 kB
# (250 * 1024 = 256000 bytes) are processed by SpamAssassin. Most spam
# isn't bigger than a few k and working with big messages can bring
# SpamAssassin to its knees.
#
# The lock file ensures that only 1 spamassassin invocation happens
# at 1 time, to keep the load down.
#
:0fw: spamassassin.lock
* < 256000
| ~/local/sa/bin/spamassassin

# Mails with a score of 15 or higher are almost certainly spam (with 0.05%
# false positives according to rules/STATISTICS.txt). Let's put them in a
# different mbox. (This one is optional.)
:0:
* ^X-Spam-Level: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*
almost-certainly-spam

# All mail tagged as spam (eg. with a score higher than the set threshold)
# is moved to "probably-spam".
:0:
* ^X-Spam-Status: Yes
probably-spam

# Work around procmail bug: any output on stderr will cause the "F" in "From"
# to be dropped.  This will re-add it.
:0
* ^^rom[ ]
{
  LOG="*** Dropped F off From_ header! Fixing up. "

  :0 fhw
  | sed -e '1s/^/F/'
}

 

SpamAssassinÀº ¸ÞÀÏ¿¡ Á¡¼ö¸¦ ¸Å°Ü¼­ ƯÁ¤ Á¡¼ö(±âº»°ª 5)°¡ ³ÑÀ¸¸é ½ºÆÔÀ¸·Î
ºÐ·ùÇÑ´Ù.  À§ÀÇ ¼³Á¤Àº 15Á¡ÀÌ ³ÑÀº ¸ÞÀÏÀ» almost-certainly-spam ÆíÁöÇÔ¿¡

ÀúÀåÇÏ°í, 15~5Á¡ÀÎ ¸ÞÀÏÀ» probably-spam ÆíÁöÇÔ¿¡ ÀúÀåÇÑ´Ù.  Áï, Ȥ½Ã

SpamAssassinÀÌ ½ºÆÔÀÌ ¾Æ´Ñ ¸ÞÀÏÀ» ½ºÆÔÀ¸·Î ºÐ·ùÇÒÁö °ÆÁ¤ÀÌ µÈ´Ù¸é °¡²û¾¿

probably-spam ÆíÁöÇÔÀ» »ìÆ캸¸é µÈ´Ù.  SpamAssassinÀº ½ºÆÔÀ¸·Î ºÐ·ùÇÑ

¸ÞÀÏ º»¹®¿¡ °£´ÜÇÑ ¼³¸í¹®±¸¿Í ´ÙÀ½°ú °°Àº Á¡¼ö ³»¿ªÀ» Ãß°¡ÇÑ´Ù.

 

Content analysis details:   (8.4 points, 5.0 required)

 pts rule name                         description
---- ----------------------            --------------------------------------------------
 2.7 SUB_HELLO                        Subject starts with "Hello"
 0.3 NO_REAL_NAME                   From: does not include a real name
 0.1 MICROSOFT_EXECUTABLE    RAW: Message includes Microsoft executable program
 3.3 MSGID_FROM_MTA_SHORT   Message-Id was added by a relay
 1.2 MISSING_MIMEOLE              Message has X-MSMail-Priority, but no X-MimeOLE
 0.8 PRIORITY_NO_NAME            Message has priority setting, but no X-Mailer

 

°³ÀÎÀûÀ¸·Î °É·¯ÁöÁö¾ÊÀº ½ºÆÔÀ» spam ÆíÁöÇÔ¿¡ ÀúÀåÇÏ¿©, °¡²û¾¿

 

    ~/local/sa/bin/sa-learn --spam --mbox spam

 

¸í·ÉÀ» ½ÇÇàÇØ ÁÖ¾ú´Ù.  sa-learnÀº Bayesian ÇÊÅ͸¦ ÈƷýÃÅ°´Â ¸í·É¾î·Î,

--mbox ¿É¼ÇÀº ÆíÁöÇÔÀ» ÀÔ·ÂÀ¸·Î Áشٴ ¶æÀÌ°í, ½ºÆÔÀº --spam ¿É¼ÇÀ» ½ºÆÔÀÌ

¾Æ´Ñ ÀÏ¹Ý ¸ÞÀÏÀº --ham ¿É¼ÇÀ» ÁöÁ¤ÇÑ´Ù.  ÀÌ¹Ì ÈÆ·ÃÇÑ ¸ÞÀÏÀ» ±â¾ïÇÏ°í

Àֱ⶧¹®¿¡ µ¿ÀÏÇÑ ¸ÞÀÏÇÔÀ» ¿©·¯¹ø ÈƷÿ¡ »ç¿ëÇÏ¿©µµ »õ·Î µé¾î¿Â ¸ÞÀϸ¸À»

ÈƷÿ¡ »ç¿ëÇÑ´Ù.  Âü°í·Î SpamAssassinÀº ÀÚ½ÅÀÌ ½ºÆÔÀ¸·Î ºÐ·ùÇÑ ¸ÞÀÏÀ»

ÀÚµ¿À¸·Î ÈƷýÃŲ´Ù.  ±×·¡¼­ À߸ø ½ºÆÔÀ¸·Î ºÐ·ùµÈ ¸ÞÀÏÀº --ham ¿É¼ÇÀ¸·Î
ÈƷýÃÄÑÁÖ´Â °ÍÀÌ ÁÁ´Ù.

 

¾ÆÁ÷ Bayesian ÇÊÅÍÀÇ È¿°ú´Â ¾ø´Â °Í °°Áö¸¸, ½Ã°£ÀÌ Áö³ª¸é ³ª¾ÆÁö¸®¶ó°í

±â´ëÇÑ´Ù.  SpamAssassin ÀÚü ¼³Á¤ÆÄÀÏÀº ~/.spamassassin/user_prefs À̸ç,

ÇÁ·Î±×·¥À» óÀ½ ½ÇÇàÇÒ¶§ (Áï, ¸ÞÀÏÀÌ Ã³À½À¸·Î µµÂøÇÒ¶§) ÀÚµ¿À¸·Î ¸¸µé¾îÁø´Ù.

Ȥ½Ã ¼³Á¤ÆÄÀÏÀ» ¼öÁ¤ÇÏ°í ½Í´Ù¸é http://www.yrex.com/spam/spamconfig.php
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15 ÀÏ¹Ý   Snort ¼³Ä¡ ¹× ¿î¿ë È£¼® 05-11-01 5588
16 ÀÏ¹Ý   umaskÀÇ »ç¿ë È£¼® 05-12-01 5376
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18 ÀÏ¹Ý   ½Ã½ºÅÛ°ü¸®ÀÚ¸¦ À§ÇÑ ½Ã½ºÅÛÀå¾Ö¿Í ´ëó¹ý È£¼® 06-01-09 6355
19 ÀÏ¹Ý   ¸®´ª½º ÆÄÀÏÂÉ°³±â,³ª´©±â ,ÆÄÀÏ,È­ÀÏ,split ,access_log È£¼® 06-01-09 5985
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21 ÀÏ¹Ý   Kymera WebFTP À¥ ftp Á¤º¸ bcpark.net ¿¡¼­ »ç¿ëµÊ È£¼® 06-01-25 5859
23 ÀÏ¹Ý   °í¼º´É ftp Ŭ¶óÀ̾ðÆ® sftp, http µî Áö¿ø È£¼® 06-03-17 5352
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25 ÀÏ¹Ý   Rootkit Hunter´Â À¯´Ð½º ¹× ¸®´ª½º ±â¹ÝÀÇ ¿î¿µÃ¼Á¦¿¡ ·çƮŶÀ̳ª ¹éµµ¾îµîÀÇ ¼³Ä¡¿©¡¦ È£¼® 06-03-23 5059
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