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maxmind GeoIP.dat + iptables geoip
±Û¾´ÀÌ : ÃÖ°í°ü¸®ÀÚ ³¯Â¥ : 2020-03-31 (È­) 16:10 Á¶È¸ : 2842
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¶óÀ̼¾½º ¹ß±ÞÀº ¾Æ·¡ URLÀ» Âü°í 

Maxmind GeoIP2 ¾÷µ¥ÀÌÆ®



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OS : Ubuntu 18.04 LTS

# cat /etc/issue
Ubuntu 18.04.3 LTS \n \l

# iptables -m geoip
iptables v1.6.1: Couldn't load match `geoip':No such file or directory

Try `iptables -h' or 'iptables --help' for more information.



¼³Ä¡¿¡ ÇÊ¿äÇÑ ±âº»ÆÐÅ°Áö ¼³Ä¡
# apt install -y unzip libtext-csv-xs-perl
# apt install -y libmoosex-types-netaddr-ip-perl xtables-addons-common



´Ù¿î·Îµå


¿©±â¼­´Â ¾Æ·¡ github ¿¡¼­ ¹èÆ÷ÇÏ°í ÀÖ´Â ¼³Ä¡ ¹× ¾÷µ¥ÀÌÆ® ¹æ¹ýÀ¸·Î ÁøÇàÇÑ´Ù.
# git clone https://github.com/mschmitt/GeoLite2xtables
# cd GeoLite2xtables


ȸ¿ø°¡ÀÔÀ» ÅëÇØ ¹ß±Þ¹ÞÀº ¶óÀ̼¾½ºÅ° ÀÔ·Â
# cp geolite2.license.example geolite2.license
# vim geolite2.license
YOUR_LICENSE_KEY='<LICENSE_KEY>'



µ¥ÀÌŸ Á¤º¸ ´Ù¿î·Îµå
# ./00_download_geolite2 
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 1743k  100 1743k    0     0  1812k      0 --:--:-- --:--:-- --:--:-- 1810k
Archive:  /tmp/tmp.LvtWjSCkxP
  inflating: /tmp/GeoLite2-Country-Blocks-IPv4.csv  
  inflating: /tmp/GeoLite2-Country-Blocks-IPv6.csv  

# ./10_download_countryinfo 
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 31523  100 31523    0     0   9947      0  0:00:03  0:00:03 --:--:--  9947



´Ù¿î·ÎµåµÈ Á¤º¸ Æ÷¸Ëº¯È¯ 
mkdir /usr/share/xt_geoip
cat /tmp/GeoLite2-Country-Blocks-IPv{4,6}.csv | ./20_convert_geolite2 /tmp/CountryInfo.txt > /usr/share/xt_geoip/GeoIP-legacy.csv
10000
20000
..........
..........
390000
400000


º¯È¯µÈ Æ÷¸ËÆÄÀÏÀ» xtables geoip build
# /usr/lib/xtables-addons/xt_geoip_build -D /usr/share/xt_geoip /usr/share/xt_geoip/GeoIP-legacy.csv


# pwd
/usr/share/xt_geoip

# ls -l
total 37632
drwxr-xr-x 2 root root    16384 Mar 31 15:25 BE
-rw-r--r-- 1 root root 38501371 Mar 31 15:24 GeoIP-legacy.csv
drwxr-xr-x 2 root root    16384 Mar 31 15:25 LE



¼³Ä¡È®ÀÎ
 :: º»¹®¿¡¼­´Â KR(Çѱ¹) Æ®·¡ÇÈ°ú ! KR Æ®·¡ÇÈÀ» Ä«¿îÆÃÇÏ°í ·Î±ëÀ» À§ÇÑ RuleÀÌ¸ç ±âº» RuleÀ» Áö¿ì°í(-F) ÁøÇàÇÏ¿´´Ù.

# iptables -F
# iptables -A INPUT -m geoip --src-cc KR -j RETURN
iptables -A INPUT -m geoip ! --src-cc KR 
# iptables 
-A INPUT -j LOG --log-prefix "NOT_KR_ACCESS_LOG:"



¸ð´ÏÅ͸µ 
 :: ÆÐŶī¿îÆ®¸¦ Zero ·Î ¸¸µé°í ¸ð´ÏÅ͸µ 

# iptables -Z
# watch -d iptables -vnL INPUT


KR Á¢±ÙÀº RETURN 󸮵Ǹç ! KR Æ®·¡ÇÈÀº ·Î±ë
# tail -f /var/log/syslog
.................................
.................................
Mar 31 16:57:55 mojily-94426 kernel: [ 2742.426498] NOT_KR_LOG:IN=ens3 OUT= MAC=fa:16:3e:03:c1:2b:fa:16:3e:12:bc:74:08:00 SRC=121.58.195.167 DST=10.101.0.29 LEN=52 TOS=0x00 PREC=0x00 TTL=108 ID=26262 DF PROTO=TCP SPT=51919 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0

Mar 31 16:57:56 mojily-94426 kernel: [ 2743.190736] NOT_KR_LOG:IN=ens3 OUT= MAC=fa:16:3e:03:c1:2b:fa:16:3e:12:bc:74:08:00 SRC=121.58.195.167 DST=10.101.0.29 LEN=52 TOS=0x00 PREC=0x00 TTL=108 ID=26345 DF PROTO=TCP SPT=51919 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0
Mar 31 16:58:40 mojily-94426 kernel: [ 2787.467480] NOT_KR_LOG:IN=ens3 OUT= MAC=fa:16:3e:03:c1:2b:fa:16:3e:12:bc:74:08:00 SRC=103.45.161.101 DST=10.101.0.29 LEN=40 TOS=0x00 PREC=0x00 TTL=106 ID=256 PROTO=TCP SPT=6242 DPT=60001 WINDOW=16384 RES=0x00 SYN URGP=0


¿ÜºÎ¿¡¼­ ¹«ÀÛÀ§·Î µé¾î¿À´Â Æ®·¡ÇÈÀº Ç×»ó Á¸ÀçÇϱ⿡ ºÒÇÊ¿äÇÑ Æ®·¡ÇÈÀº À¯ÀÇÇؼ­ ¼­¹ö¿î¿µÀ» ÇϽñ⠹ٶø´Ï´Ù.
# apt install whois
# whois 103.45.161.101



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