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ÆÐÅ¶Ææ½º¸¦ ÀÌ¿ëÇÑ NAC ¼³Ä¡ ¹× ±¸¼º

Jack Wallen ( TechRepublic )   2008/01/24  
NAC
PacketFence
ÆÐÅ¶Ææ½º(PacketFence)¸¦ ÀÌ¿ëÇÑ NAC¿¡´Â ¿ÀǼҽº Ä¿¹Â´ÏƼ°¡ ÇØ´äÀÌ´Ù. ±×·¯³ª ÀÌ´Â Ä¿¸Çµå¶óÀο¡¼­ ÀÌ·ç¾îÁö°í ¶Ç ¼ö¸¹Àº Ä¿¸Çµå°¡ ÀÛµ¿Çϱ⠶§¹®¿¡ ¸Å¿ì Èûµç ÀÛ¾÷ÀÌ´Ù.

¾î¶»°Ô ½ÃÀÛÇϳª?
¿ì¼±, óÀ½À¸·Î ÇØ¾ß ÇÒ ÀÏÀº ¿ìºÐÅõ ¼­¹ö 6.06LTS¸¦ ¼³Ä¡ÇÏ´Â °ÍÀÌ´Ù. ÀÌ´Â 2011³â±îÁö Áö¿øµÈ´Ù´Â Èñ¼Ò½Äµµ ÀÖÀ¸´Ï ¸±¸®½º µÇÁö ¾ÊÀº º¸¾È ¼öÁ¤¿¡ ´ëÇÑ °ÆÁ¤Àº ÇÊ¿ä ¾ø´Ù.

¼³Ä¡´Â ¹Ýµå½Ã ÅØ½ºÆ®·Î¸¸ ÇØ¾ßÇÑ´Ù. ¿ìºÐÅõ¸¦ »ç¿ëÇϱ⿡ sudoÄ¿¸Çµå°¡ ¸¹ÀÌ ÇÊ¿äÇÒ °ÍÀÌ´Ù. Root ÆÐ½º¿öµå°¡ ¾øÀ¸´Ï ´ë½Å ¿©·¯ºÐÀÌ ÀÓÀÇ·Î ¸¸µé¾î »ç¿ëÇÒ ¼ö ÀÖ´Ù. ÇÏÁö¸¸ ¿ìºÐÅõ¿Í sudo¸¦ »ç¿ë Çϸ鼭, ƯÁ¤ ¾îÇø®ÄÉÀÌ¼Ç ¼³Ä¡¸¦ ÇÒ ¶§ ¹®Á¦°¡ ¸¹ÀÌ ¹ß»ýÇÏ¿© Ç×»ó root ÆÐ½º¿öµå¸¦ ¸¸µå´Â °ÍÀÌ ÁÁ´Ù.

Root ÆÐ½º¿öµå¸¦ ¸¸µé±â À§Çؼ­´Â sudo passwd¸¦ µ¹¸®°í ¡®root password¡¯¶ó°í Ä¡¸é µÈ´Ù. ÀÌ·¸°Ô ÇÏ¿© root ÆÐ½º¿öµå¸¦ ¸¸µé°í ³ª¸é, ¼³Ä¡ Áغñ ù ´Ü°è´Â ¿Ï·á´Ù.

SSH¸¦ ÀÌ¿ëÇÏ¿© ¿ø°Ý adminÀ» ¼Â¾÷ÇÏ´Â °ÍÀÌ Ã¹ ¹øÂ° ÀÏÀÌ´Ù. ÀÌ °æ¿ì, ¼­¹ö´Â ¿©·¯ºÐÀÌ ¼³Ä¡¸¦ ¿øÇÏ´Â ¼­¹öµé°ú´Â ´Ù¸¥ ¼­¹öµéÀÌ ÀÖÀ» °ÍÀÌ´Ù. ÀÌ °æ¿ì¿¡, sudo apt-get install ssh openssh-server Ä¿¸Çµå¸¦ Ä£´Ù. ÀÌ·¸°Ô ÇÏ´Â °¡Àå Å« ÀÌÀ¯´Â ±¸±Û°ú °°Àº °ÍÀÌ ÇÊ¿äÇÒ ¶§, ¼­¹öµé »çÀÌ¿¡¼­ ½±°Ô ½ºÀ§Äª ÇÒ ¼ö Àֱ⠶§¹®ÀÌ´Ù. Ssh°¡ ¼³Ä¡ µÇ¾úÀ¸¸é, ³×Æ®¿öÅ©¿¡ Á¢¼ÓµÇ¾î ÀÖ°í, SSH°¡ ¼³Ä¡µÈ ¿ìºÐÅõ ¼­¹ö¿¡ ·Î±×ÀÎ ÇÑ´Ù.

¼ÒÇÁÆ®¿þ¾î ¼³Ä¡¸¦ À§ÇÑ »çÀüÁغñ
ÀνºÅç Çϱâ À§ÇØ apt-get¸¦ Ä£´Ù. ¹°·Ð, ±× Àü¿¡ Àû´çÇÑ ¼ÒÇÁÆ®¿þ¾î¸¦ ãÀ» ¼ö ÀÖ´Â ¼Ò½º¸¦ ÆíÁýÇØ¾ß ÇÑ´Ù.

¿À¸®Áö³Î ¼Ò½º¸®½ºÆ® ¹é¾÷ :
sudo cp /etc/apt/sources.list /etc/apt/sources.list.BACKUP

ÀÌÁ¦, source.list ÆÄÀÏ¿¡ ÀÖ´Â ÄÞ¸àÆ® ¾ø´Â ¸®Æ÷ÁöÅ丮 ¸®½ºÆ® Àüü¿Í ¼Ò½º ¸®½ºÆ®·Î °¡¾ß ÇÑ´Ù. /etc/apt·Î °¡¼­, source.list ÆÄÀÏÀ» ¿­°í, #ÀÌ ÀÖ´Â Àüü¸¦ Áö¿ì°Å³ª ¾Æ·¡ Ä¿¸Çµå¸¦ Ä£´Ù.
sudo sed -i -e "s/# deb/deb/g" /etc/apt/sources.list

±×¸®°í sudo apt-get update Ä¿¸Çµå·Î ¾÷µ¥ÀÌÆ® ÇÑ´Ù.

¾ÖÇø®ÄÉÀÌ¼Ç ¼³Ä¡ Àü ¸¶Áö¸· ÀÛ¾÷Àº ¼Ò½º¸¦ ÄÄÆÄÀÏ ÇØ¾ß ÇÑ´Ù. ¿ìºÐÅõ 6.06 ¼­¹ö´Â ÄÄÆÄÀÏÀ» ÇÒ ¼ö ¾øÀ¸¹Ç·Î, ¼­¹ö°¡ ÄÄÆÄÀÏ ÇÒ ¼ö ÀÖ°Ô ¸¸µé¾î¾ß ÇÑ´Ù.

sudo apt-get install build-essential

ÀÌÁ¦, ¼³Ä¡ Áغñ°¡ ´Ù µÇ¾ú´Ù.

Snort
¸ÕÀú ħÀÔ °¨Áö ÆÐŰÁö¸¦ ¼³Ä¡ÇØ¾ß ÇÑ´Ù. Snort´Â ¸®´ª½º Ç¥ÁØÀÌ¸ç ÆÐÅ¶Ææ½º¿¡¼­ ÃßõÇϰí ÀÖ´Ù.

sudo apt-get install snort

sudo /etc/init.d/snort Ä¿¸Çµå¸¦ Ãļ­ Snort¸¦ Áß´Ü ÇÒ Çʿ䰡 ÀÖ´Ù. ½Ã½ºÅÛÀÌ ºÎÆÃ ÇÏ´Â µ¿¾È Snort´Â ÀÛµ¿ ÇÒ Çʿ䰡 ¾ø´Ù´Â °ÍÀ» È®½ÇÈ÷ ÇØ µÎ±â ¹Ù¶õ´Ù. ±×·¸Áö ¾ÊÀ¸¸é, ÆÐÅ¶Ææ½º°¡ ½ÃÀÛÇÏÁö ¾Ê´Â´Ù. ÀÌ·¸°Ô Çϱâ À§Çؼ­, update-rc.d Ä¿¸Çµå¸¦ »ç¿ëÇÑ´Ù. Sudo update-rc.d-f snort remove. ÀÌ·¸°Ô Çϸé rc.d¿¡¼­ Snort°¡ Á¦°Å µÇ¾ú´Ù.

MySQL
Sudo pat-get install mysql-server Ä¿¸Çµå¸¦ »ç¿ëÇØ¼­ MySQLÀ» ¼³Ä¡ÇÑ´Ù. ÀÌÀü¿¡ ¸»ÇÑ root ÆÐ½º¿öµå¸¦ »ç¿ëÇØ¾ß Çϴµ¥, sudo passwd¸¦ Ä¡°í root ÆÐ½º¿öµå¸¦ µÎ ¹ø Ä£´Ù. ÀÌ·¸°Ô Çϸé, pseudo-rootÀ¯Àúó·³ ·Î±× ÇÒ ¼ö ÀÖ´Ù.

ÀÌÁ¦ ÇØ¾ß ÇÏ´Â ÀÏÀº MySQLÀÇ ÆÐ½º¿öµå¸¦ º¯°æÇÏ´Â °ÍÀÌ´Ù. µðÆúÆ® ÆÐ½º¿öµå´Â ºñ¾îÀÖ´Ù. À̰ÍÀº ¾ÈÀüÇÏÁö ¾Ê°í ÆÐÅ¶Ææ½º´Â MySQLÀÇ root ÆÐ½º¿öµå¸¦ ¿ä±¸ÇÑ´Ù. ±×·¡¼­ mysql –u root –p¸¦ Ä¡°í [Enter]¸¦ Ä£´Ù. ±×·¯¸é ÇÁ·ÒÇÁÆ®¿¡ mysql> À̶ó°í µÈ´Ù. ±×·¯¸é ÀÌÁ¦ Ä¿¸Çµå¸¦ ź´Ù.

SET PASSWORD FOR root@localhost=PASSWORD('NEWPASSWORD');

NEWPASSWORD´Â MySQLÀÇ rootÀ¯Àú¿¡¼­ »ç¿ëÇÒ »õ·Î¿î ÆÐ½º¿öµåÀÌ´Ù.

Apache and PHP
¼³Ä¡ ´Ü°è´Â ´ÙÀ½°ú °°´Ù.
sudo apt-get install apache2 libapache2-mod-proxy-html

ÀÌ·¯¸é, Apach¿Í Proxy ¸ðµâÀÌ ¼³Ä¡µÇ¾ú°í, ÀÌÁ¦ PHP¸¦ ¼³Ä¡ÇÏÀÚ.

sudo apt-get install libapache2-mod-php5 php-pear php5-mysql php5-gd

ÀÌ·¸°Ô Çϸé ÇÊ¿äÇÑ PHPÀÇ ¸ðµç °ÍÀ» ¼³Ä¡ ÇÒ °ÍÀÌ´Ù.

ÀÌÁ¦ ºÎÆÃ ½Ã Apache¸¦ º¸È£Çϱâ À§ÇÏ¿©, Apache ¼­¹ö¸¦ Áß´ÜÇØ¾ß ÇÑ´Ù.
¸ÕÀú, sudo /etc/init.d/apache2 stopÀ» µ¹¸®¸é, Apache°¡ Áß´Ü µÇ°í, sudo update-rc.d-f apache2 remove¸¦ µ¹·Á¼­ rc.d ¸®½ºÆ®¿¡¼­ Apache¸¦ Á¦°Å ÇÑ´Ù.

Perl and Perl ¸ðµâ
sudo apt-get install perl-suid libterm-readkey-perl libconfig-inifiles-perl libnet-netmask-perl
±×¸®°í,
sudo apt-get install libparse-recdescent-perl libnet-rawip-perl libtimedate-perl libwww-perl

ÆÐÅ¶Ææ½º
¸¶Áö¸·À¸·Î ÆÐÅ¶Ææ½º ¾ÖÇø®ÄÉÀ̼ÇÀ» ¼³Ä¡ÇØ¾ß ÇÑ´Ù. ÀνºÅçÀ» À§ÇØ apt-getÀ» »ç¿ë ÇÒ ¼ö´Â ¾øÀ¸³ª ¼Ò½º¸¦ ´Ù¿î ¹Þ¾Æ¼­ ¼³Ä¡ÇÏ¸é µÈ´Ù. ÃÖ±Ù¿¡ ¸±¸®½º µÈ ¹öÀüÀº ¾ÈÁ¤ÀûÀ̾ wget ¾ÖÇø®ÄÉÀ̼ÇÀ» »ç¿ëÇÏ¸é µÈ´Ù. ¸¸¾à, wgetÀÌ ¾ÈµÇ¸é sudo apt-get install wgetÇÏ¸é µÈ´Ù.

´Ù¿î·Îµå ÁÖ¼Ò´Â:
http://downloads.sourceforge.net/PacketFence/PacketFence-1.6.2.tar.gz,
À̸ç,
sudo cd /usr/local/sudo wget http://downloads.sourceforge.net/PacketFence/PacketFence-1.6.2.tar.gz

tarÆÄÀÏÀ» Ç®±â À§Çؼ­´Â,
sudo tar xvzf PacketFence-1.6.2.tar.gz

ÀÌ·¸°Ô Çϸé /usr/local/pf µð·ºÅ丮°¡ »ý¼º µÉ °ÍÀÌ´Ù. /pf µð·ºÅ丮·Î °¡¼­ ÀνºÅç·¯¸¦ ½ÃÀÛÇÏ¸é µÈ´Ù.

Sudo ./installer.pl

ÀÌÁ¦ ¿©·¯ºÐÀº ¼³Ä¡ °úÁ¤¿¡¼­ ¸¹Àº Áú¹®ÀÌ ÀÖÀ» °ÍÀÌ´Ù. ¸¹Àº ºÎºÐÀº µðÆúÆ®·Î ÁøÇà µÉ °ÍÀÌ´Ù. MySQLÀÇ root ÆÐ½º¿öµå¸¦ ±â¾ïÇØµÎ±â ¹Ù¶õ´Ù. ¶ÇÇÑ ÆäÅ¶Ææ½º ÀνºÅç·¯´Â ¿©·¯ºÐÀÌ ÇÊ¿äÇÑ µ¥ÀÌÅͺ£À̽º¸¦ »ý¼º ÇÒ ¼ö ÀÖ°Ô ÇÑ´Ù. ÆÐÅ¶Ææ½º´Â ¿©·¯ºÐÀÌ Àß ¾Æ´Â phpMyAdminÀ» »ç¿ëÇÑ µ¥ÀÌÅͺ£À̽º »ý¼ºÀº Áö¿ø ÇÏÁö ¾ÊÀ» °ÍÀÌ´Ù.

ÇÁ·Î¼¼½ºÀÇ ¸¶Áö¸· ´Ü°è¸¦ ÀÌÇàÇϱâ Àü¿¡, SSL Certificate¸¦ »ý¼ºÇØ¾ß ÇÑ´Ù.

cd /tmpopenssl req -new > PacketFence.csropenssl rsa -in privkey.pem -out server.keyopenssl x509 -in PacketFence.csr -out server.crt -req server.key -days 365mv server.crt /usr/local/pf/conf/ssl/mv server.key /usr/local/pf/conf/ssl/rm -f PacketFence.csr privkey.pem

À̰ÍÀº ¿©·¯ºÐ Àåºñ¿¡ ±ò²ûÇÑ ¼­Æ¼¸¦ ¼³Ä¡ ÇÒ °ÍÀÌ´Ù.

¼³Ä¡°¡ ¿Ï·á µÇ¸é, configurator.plÀ» µ¹·Á¼­ ¿©·¯ºÐÀÌ ¿øÇϴ ŸÀÔÀÇ ½Ã½ºÅÛÀ» ±âº»ÀûÀ¸·Î ¼³Á¤ÇÒ ¼ö ÀÖÀ¸¸ç, Á¦°ø µÇ´Â °ÍÀº ´ÙÀ½°ú °°´Ù.

1. Test mode
2. Registration
3. Detection
4. Registration & Detection
5. Registration, Detection & Scanning
6. Session-based Authentication
º»°ÝÀûÀÎ ½Ãµ¿ Àü¿¡ Å×½ºÆ® ¸ðµå¿¡¼­ÀÇ Á¡°ËÀ» ÃßõÇÑ´Ù.

¼öÁ¤»çÇ×
¿ìºÐÅõ ¼­¹ö¿¡¼­ /usr/bin/apache2À» ã´Â °Í ´ë½Å¿¡ /usr/bin/http[¸¦ ã±â ¶§¹®¿¡ ÆÐÅ¶Ææ½ºÀÇ ½ÃÀÛ ½ºÅ©¸³Æ®´Â ApacheÀÇ startup ½ºÅ©¸³Æ®¸¦ ãÀ» ¼ö°¡ ¾ø¾ú´Ù.

ÀÌ ºÎºÐÀÇ ¼öÁ¤À» À§Çؼ­, pf.confÆÄÀÏ¿¡¼­ [service]¸¦ Ãß°¡ÇØ¾ß ÇÑ´Ù. »ç¿ëÇÏ´Â ¿¡µðÅÍ¿¡¼­ /usr/local/pf/conf/pf.confÆÄÀÏÀ» ¿­°í ÆÄÀÏ ¸¶Áö¸·¿¡ ¾Æ·¡ ³»¿ëÀ» Ãß°¡ÇÑ´Ù.

[services]httpd=/usr/sbin/apache2

±×·± ´ÙÀ½, /usr/local/pf/conf/templates/httpd.conf ÆÄÀÏÀ» ¿­°í,
ServerRoot /usr/lib/apache2 À» Ãß°¡ÇÑ´Ù.

±×¸®°í,
LoadModule php4_module modules/libphp4.so¸¦

LoadModule php4_module /usr/lib/apache2/modules/libphp4.so
¿¡ ¼öÁ¤ÇÑ´Ù.

¼öÁ¤ÇØ¾ß ÇÏ´Â ¶óÀÎÀÌ »ó´çÈ÷ ¸¹ÀÌ ÀÖ´Ù. ¿ìºÐÅõ¿¡¼­ ApacheÀÇ ÀνºÅçÀ» ÇÒ ¶§, ÇÊ¿äÇÑ ¸ðµç ¸ðµâÀº /usr/lib/apache2/module structure¸¦ ¹Ý¿µÇØ¾ß ÇÑ´Ù.

µû¶ó¼­ /usr/local/pf/conf/templates/httpd.conf Àüü ÆÄÀÏÀº ÀÌ °æ·Î¸¦ ¹Ý¿µÇØ¾ß ÇÑ´Ù. ¶Ç, ´ç½ÅÀº php5 ¸ðµâÀ» À§Çؼ­ ¶óÀÎuncomment°¡ ÇÊ¿äÇϰí php4¸¦ À§ÇØ comment°¡ ÇÊ¿äÇÏ´Ù.

ÆÐÅ¶Ææ½º ½ÃÀÛ
/usr/local/pf/bin/start Ä¿¸ÇµåÀÇ ±¸µ¿¿¡ ÀÇÇÑ ÀûÀýÇÑ ½ÃÀÛÀÌ µÇ´Â °ÍÀ» È®ÀÎÇØ¶ó. ´ÙÀ½°ú °°Àº °ÍÀ» º¼ ¼ö ÀÖ´Ù.

Checking configuration sanity...service|commandconfig files|startiptables|starthttpd|startpfmon|startpfdetect|startsnort|start

±×·± ´ÙÀ½, ÆÐÅ¶Ææ½º ½Ã½ºÅÛÀ» /usr/local/pf/bin/stop Ä¿¸àµå¸¦ »ç¿ëÇÏ¿© ÁߴܽÃÄѶó.

Startup ½ºÅ©¸³Æ®¸¦ ÀνºÅçÇÏ¿© ¼öÁ¤ ÇÒ ¼ö ÀÖ°í, rc.d ½Ã½ºÅÛÀº Á¶½ÉÇØ¶ó.

sudo cp /usr/local/pf/PacketFence.init /etc/init.d/PacketFencesudo chmod 755 /etc/init.d/PacketFencesudo update-rc.d PacketFence defaults

½Ã½ºÅÛ Àç½Ãµ¿ Ä¿¸Çµå
sudo /etc/init.d/PacketFence start

ÀÌÁ¦ ½Ã½ºÅÛÀÌ ±¸µ¿ µÉ °ÍÀÌ´Ù.

Log in
ºê¶ó¿ìÀú¸¦ ¿­°í ÆÐÅ¶Ææ½º ¼­¹ö¿¡ 1443 Æ÷Æ®¸¦ Ãß°¡ÇÏ¸é ¾îµå·¹½º´Â https://192.168.1.29:1443ÀÌ µÉ °ÍÀÌ´Ù. ·Î±×ÀÎ ½ºÅ©¸°¿¡ º¸ÀÏ °ÍÀ̸ç, admin À̸§°ú ÆÐ½º¿öµå¸¦ »ý¼ºÇÏ¸é µÈ´Ù.



°ü·Ã±â»ç
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