{"id":88,"date":"2012-08-06T16:55:56","date_gmt":"2012-08-06T07:55:56","guid":{"rendered":"http:\/\/auctionpro.co.kr\/WPress\/?p=88"},"modified":"2023-09-13T09:24:19","modified_gmt":"2023-09-13T00:24:19","slug":"iptables-%ec%88%98%ec%a0%95%ec%9e%ac%ec%8b%9c%ec%9e%91","status":"publish","type":"post","link":"https:\/\/www.auctionpro.co.kr\/?p=88","title":{"rendered":"iptables \uc218\uc815\/\uc7ac\uc2dc\uc791\/\ud655\uc778"},"content":{"rendered":"\n<h3 class=\"wp-block-heading has-black-color has-text-color\"> 1. iptables  \uc800\uc7a5 \uc989\uc2dc  \ucd5c\uadfc \ubc29\ud654\ubcbd \uc124\uc815\uc73c\ub85c \uc0ac\uc6a9 \uc124\uc815\ud558\uae30 <\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"> save \ud544\uc694\uc5c6\uc774  systemctl restart iptables  \uc2dc  \ubc14\ub85c \ubc29\ud654\ubcbd \uc801\uc6a9 \ub429\ub2c8\ub2e4.<br>\uc811\uc18d\ub41c putty\ub294 \ubc29\ud654\ubcbd \uc218\uc815\uacfc \uc0c1\uad00\uc5c6\uc774 \uacc4\uc18d \uc811\uc18d\ub418\uba70 ssh \ud655\uc778\uc740 \ub2e4\ub978 \ucc3d\uc5d0\uc11c  Putty \uc811\uc18d\ud6c4 \uc801\uc6a9\uc5ec\ubd80 \ud655\uc778 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uc544\ub798 \uc0ac\ud56d yes\ub85c \uc218\uc815<\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:vim decode:true \" title=\"iptables-config\">[root@~]# vi \/etc\/sysconfig\/iptables-config\n\n# Save current firewall rules on restart.\n#   Value: yes|no,  default: no\n# Saves all firewall rules to \/etc\/sysconfig\/iptables if firewall gets\n# restarted.\nIPTABLES_SAVE_ON_RESTART=\"yes\"\n\n# Save (and restore) rule and chain counter.\n#   Value: yes|no,  default: no\n# Save counters for rules and chains to \/etc\/sysconfig\/iptables if\n# \u2018service iptables save\u2019 is called or on stop or restart if SAVE_ON_STOP or\n# SAVE_ON_RESTART is enabled.\nIPTABLES_SAVE_COUNTER=\"yes\"<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2. iptables \uc218\uc815  \ubc0f \uc124\uba85<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/linux-training.be\/networking\/images\/iptables_filter.png\" alt=\"\"\/><\/figure>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:vim decode:true \" title=\"vi \/etc\/sysconfig\/iptables\">[root@localhost]# vi \/etc\/sysconfig\/iptables\n# Generated by iptables-save v1.3.5 on Mon Jan 28 16:36:47 2013\n*filter\n:INPUT DROP [0:0]\n:FORWARD DROP [0:0]\n:OUTPUT ACCEPT [0:0]\n:RH-Firewall-1-INPUT - [0:0]\n# \ub9c9\uc744 \uc544\uc774\ud53c\uc601\uc5ed\uc9c0\uc815 \n-A RH-Firewall-1-INPUT -s 5.9.167.0\/24 -j DROP\n-A RH-Firewall-1-INPUT -s 114.108.152.0\/24 -j DROP\n-A RH-Firewall-1-INPUT -s 114.108.153.0\/24 -j DROP\n-A RH-Firewall-1-INPUT -s 177.129.90.0\/24 -j DROP\n-A RH-Firewall-1-INPUT -s 116.124.131.0\/24 -j DROP\n\n[0:0] -A INPUT -j RH-Firewall-1-INPUT\n[0:0] -A FORWARD -j RH-Firewall-1-INPUT\n[0:0] -A RH-Firewall-1-INPUT -i lo -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p icmp -m icmp --icmp-type any -j ACCEPT\n#\ud5c8\uc6a9\uc544\uc774\ud53c,Port \uc9c0\uc815\n[0:0] -A RH-Firewall-1-INPUT -d 224.0.0.251 -p udp -m udp --dport 5353 -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p udp -m udp --dport 53 -j ACCEPT   \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 53 -j ACCEPT   \n[0:0] -A RH-Firewall-1-INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 20 -j ACCEPT   \n[0:0] -A RH-Firewall-1-INPUT -s 111.111.111.222 -j ACCEPT   \n[0:0] -A RH-Firewall-1-INPUT -s 210.123.21.175 -p tcp -m tcp --dport 22 -j ACCEPT \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 21 -j ACCEPT   \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 143 -j ACCEPT  \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 80 -j ACCEPT   \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 443 -j ACCEPT  \n[0:0] -A RH-Firewall-1-INPUT -j DROP  \nCOMMIT<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\uc124\uba85<\/h2>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"theme:eclipse lang:vim decode:true \">#\ud5c8\uc6a9\uc544\uc774\ud53c,Port \uc9c0\uc815\n[0:0] -A RH-Firewall-1-INPUT -d 224.0.0.251 -p udp -m udp --dport 5353 -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p udp -m udp --dport 53 -j ACCEPT   # udp 53 port  \ud5c8\uc6a9 #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 53 -j ACCEPT   # tcp 53 port \ud5c8\uc6a9 #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 20 -j ACCEPT   # tcp 20 port \ud5c8\uc6a9 #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -s 111.111.111.222 -j ACCEPT   # \ub0b4 PC\ub294 \ubaa8\ub450 \ud3ec\ud2b8 \ud5c8\uc6a9 #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -s 210.123.21.175 -p tcp -m tcp --dport 22 -j ACCEPT #\ud2b9\uc815 IP\uc5d0\uc11c\ub9cc 22\ud3ec\ud2b8 \ud5c8\uc6a9 #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 21 -j ACCEPT   #ftp \ud3ec\ud2b8 \uc5f4\uae30 #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 143 -j ACCEPT  #143 \ud3ec\ud2b8 \uc5f4\uae30  #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 80 -j ACCEPT   #http \ud3ec\ud2b8 \uc5f4\uae30 #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 443 -j ACCEPT  #https \ud3ec\ud2b8 \uc5f4\uae30  #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589\n[0:0] -A RH-Firewall-1-INPUT -j DROP  # \uadf8 \uc678\uc5d0 \ubaa8\ub450 \ub4dc\ub78d (\ubc18\ub4dc\uc2dc \uc788\uc5b4\uc57c \ud568) #\uc774\ud6c4\ub294 \uc0ad\uc81c\ud6c4 \uc2e4\ud589<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 \uc8fc\uc11d\ucd94\uac00 \uc0d8\ud50c (\uc8fc\uc11d\ucd5c\ub300 256\ubc14\uc774\ud2b8)<\/h3>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:vim decode:true \">[root@localhost]# vi \/etc\/sysconfig\/iptables\n# Generated by iptables-save v1.3.5 on Mon Jan 28 16:36:47 2013\n*filter\n:INPUT DROP [0:0]\n:FORWARD DROP [0:0]\n:OUTPUT ACCEPT [0:0]\n:RH-Firewall-1-INPUT - [0:0]\n# \ub9c9\uc744 \uc544\uc774\ud53c\uc601\uc5ed\uc9c0\uc815 \n-A RH-Firewall-1-INPUT -s 5.9.167.0\/24 -j DROP\n-A RH-Firewall-1-INPUT -s 114.108.152.0\/24 -j DROP\n-A RH-Firewall-1-INPUT -s 114.108.153.0\/24 -j DROP\n-A RH-Firewall-1-INPUT -s 177.129.90.0\/24 -j DROP\n-A RH-Firewall-1-INPUT -s 116.124.131.0\/24 -j DROP\n \n[0:0] -A INPUT -j RH-Firewall-1-INPUT\n[0:0] -A FORWARD -j RH-Firewall-1-INPUT\n[0:0] -A RH-Firewall-1-INPUT -i lo -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p icmp -m icmp --icmp-type any -j ACCEPT\n#\ud5c8\uc6a9\uc544\uc774\ud53c,Port \uc9c0\uc815\n[0:0] -A RH-Firewall-1-INPUT -d 224.0.0.251 -p udp -m udp --dport 5353 -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p udp -m udp --dport 53 -m comment --comment \"Domain udp 53 port  \ud5c8\uc6a9\" -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 53 -m comment --comment \"Domain udp 53 port  \ud5c8\uc6a9\" -j ACCEPT \n[0:0] -A RH-Firewall-1-INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 20 -m comment --comment \"tcp 20 port \ud5c8\uc6a9\" -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -s 111.111.111.222 -m comment --comment \"\ub0b4 PC\ub294 \ubaa8\ub450 \ud3ec\ud2b8 \ud5c8\uc6a9\" -j ACCEPT \n[0:0] -A RH-Firewall-1-INPUT -s 210.123.21.175 -p tcp -m tcp --dport 22 -m comment --comment \"\ud2b9\uc815 IP\uc5d0\uc11c\ub9cc 22\ud3ec\ud2b8 \ud5c8\uc6a9\" -j ACCEPT \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 21 -m comment --comment \"ftp \ud3ec\ud2b8 \uc5f4\uae30\" -j ACCEPT \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 143 -m comment --comment \"143 \ud3ec\ud2b8 \uc5f4\uae30\" -j ACCEPT \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 80 -m comment --comment \"http \ud3ec\ud2b8 \uc5f4\uae30\" -j ACCEPT \n[0:0] -A RH-Firewall-1-INPUT -p tcp -m tcp --dport 443 -m comment --comment \"https \ud3ec\ud2b8 \uc5f4\uae30\" -j ACCEPT\n[0:0] -A RH-Firewall-1-INPUT -m comment --comment \"- \uadf8 \uc678\uc5d0 \ubaa8\ub450 \ub4dc\ub78d (\ubc18\ub4dc\uc2dc \uc788\uc5b4\uc57c \ud568)\" -j DROP  \nCOMMIT<\/pre><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>-A (\u2013-append) : \uc0c8\ub85c\uc6b4 \uaddc\uce59\uc744 \ucd94\uac00<\/li>\n\n\n\n<li>ACCEPT : \ud328\ud0b7\uc744 \ubc1b\uc544\ub4e4\uc784.<\/li>\n\n\n\n<li>DROP : \ud328\ud0b7\uc744 \ubc84\ub9bc (\ud328\ud0b7\uc804\uc1a1\uc774 \uc5c6\uc5c8\ub358 \uac83 \ucc98\ub7fc)<\/li>\n\n\n\n<li>-s (\u2013source) : \ucd9c\ubc1c\uc9c0 IP\uc8fc\uc18c\ub098 \ub124\ud2b8\uc6cc\ud06c\uc640\uc758 \ub9e4\uce6d<\/li>\n\n\n\n<li>-d (\u2013destination) : \ubaa9\uc801\uc9c0 IP\uc8fc\uc18c\ub098 \ub124\ud2b8\uc6cc\ud06c\uc640\uc758 \ub9e4\uce6d<\/li>\n\n\n\n<li>-p (\u2013protocol) : \ud2b9\uc815 \ud504\ub85c\ud1a0\ucf5c\uacfc\uc758 \ub9e4\uce6d<\/li>\n\n\n\n<li>-i (\u2013in-interface) : \uc785\ub825 \uc778\ud130\ud398\uc774\uc2a4<\/li>\n\n\n\n<li>-o (\u2013out-interface) : \ucd9c\ub825 \uc778\ud130\ud398\uc774\uc2a4<\/li>\n\n\n\n<li>\u2013state : \uc5f0\uacb0\uc0c1\ud0dc\uc640\uc758 \ub9e4\uce6d<\/li>\n\n\n\n<li>\u2013comment : \ucee4\ub110 \uba54\ubaa8\ub9ac \ub0b4\uc758 \uaddc\uce59\uacfc \uc5f0\uacc4\ub418\ub294 \ucd5c\ub300 256\ubc14\uc774\ud2b8 \uc8fc\uc11d<\/li>\n\n\n\n<li>-y (\u2013syn) : SYN \ud328\ud0b7\uc744 \ud5c8\uc6a9\ud558\uc9c0 \uc54a\uc74c<\/li>\n\n\n\n<li>-f(\u2013fragment) : \ub450\ubc88\uc9f8 \uc774\ud6c4\uc758 \uc870\uac00\uac8c \ub300\ud574\uc11c \uaddc\uce59\uc744 \uba85\uc2dc\ud55c\ub2e4.<\/li>\n\n\n\n<li>-t (\u2013table) : \ucc98\ub9ac\ub420 \ud14c\uc774\ube14<\/li>\n\n\n\n<li>-j (\u2013jump) : \uaddc\uce59\uc5d0 \ub9de\ub294 \ud328\ud0b7\uc744 \uc5b4\ub5bb\uac8c \ucc98\ub9ac\ud560\uac83\uc778\uac00\ub97c \uba85\uc2dc\ud55c\ub2e4.<\/li>\n\n\n\n<li>-m (\u2013match) : \ud2b9\uc815 \ubaa8\ub4c8\uacfc\uc758 \ub9e4\uce58<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \ud655\uc778<\/h3>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:vim decode:true \">iptables -nL<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4. \uc801\uc6a9 \/ \uc7ac\uc2dc\uc791<\/h3>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:vim decode:true \">[root@localhost bin]# systemctl restart iptables\n\n\/\/\uad6c\uba85\ub839\uc5b4 \n\/etc\/init.d\/iptables restart\n\ubc29\ud654\ubcbd \uaddc\uce59\uc744 \uc0ad\uc81c\ud558\ub294 \uc911:                               [  OK  ]\nchains\ub97c ACCEPT \uaddc\uce59\uc73c\ub85c \uc124\uc815\ud568: filter                  [  OK  ]\niptables \ubaa8\ub4c8\uc744 \uc81c\uac70\ud558\ub294 \uc911:                             [  OK  ]\niptables \ubc29\ud654\ubcbd \uaddc\uce59\ub4e4\uc744 \uc801\uc6a9\ud558\ub294 \uc911:                    [  OK  ]\n\ucd94\uac00 iptables \ubaa8\ub4c8\uc744 \uc77d\uc5b4\uc624\ub294 \uc911:                        [  OK  ]\n<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\uae30\ud0c0  <\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. \ud328\ucf13(\uc811\uc18d\uc218) \uac1c\uc218 \ubcf4\uae30<\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:vim decode:true \" title=\"iptables -nvL --line-numbers\"># iptables -nvL --line-numbers\nChain INPUT (policy DROP 0 packets, 0 bytes)\nnum   pkts bytes target     prot opt in     out     source               destination\n1     1591  214K RH-Firewall-1-INPUT  all  --  *      *       0.0.0.0\/0            0.0.0.0\/0\n\nChain FORWARD (policy DROP 0 packets, 0 bytes)\nnum   pkts bytes target     prot opt in     out     source               destination\n1        0     0 RH-Firewall-1-INPUT  all  --  *      *       0.0.0.0\/0            0.0.0.0\/0\n\nChain OUTPUT (policy ACCEPT 1180 packets, 6223K bytes)\nnum   pkts bytes target     prot opt in     out     source               destination\n\nChain RH-Firewall-1-INPUT (2 references)\nnum   pkts bytes target     prot opt in     out     source               destination\n1        0     0 DROP       all  --  *      *       206.124.132.23       0.0.0.0\/0\n2        0     0 DROP       all  --  *      *       76.72.173.179        0.0.0.0\/0\n3        0     0 ACCEPT     all  --  lo     *       0.0.0.0\/0            0.0.0.0\/0\n4        0     0 ACCEPT     icmp --  *      *       0.0.0.0\/0            0.0.0.0\/0            icmptype 255\n5        0     0 ACCEPT     udp  --  *      *       0.0.0.0\/0            224.0.0.251          udp dpt:5353\n6        0     0 ACCEPT     udp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            udp dpt:53\n7        0     0 ACCEPT     tcp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            tcp dpt:53\n8        0     0 ACCEPT     tcp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            tcp dpt:50002\n9        0     0 ACCEPT     tcp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            tcp dpts:60010:60020\n10      12   648 ACCEPT     tcp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            tcp dpt:80\n11    1551  209K ACCEPT     all  --  *      *       0.0.0.0\/0            0.0.0.0\/0            state RELATED,ESTABLISHED\n17       0     0 ACCEPT     tcp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            tcp dpt:25\n18       0     0 ACCEPT     tcp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            tcp dpt:143\n19       0     0 ACCEPT     tcp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            tcp dpt:110\n20       0     0 ACCEPT     tcp  --  *      *       0.0.0.0\/0            0.0.0.0\/0            tcp dpt:443\n21      15  3348 DROP       all  --  *      *       0.0.0.0\/0            0.0.0.0\/0<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2. \ud328\ucf13 0 \ucd08\uae30\ud654 <\/h3>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:c# decode:true \" title=\"iptables -Z\"># iptables -Z<\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>1. iptables \uc800\uc7a5 \uc989\uc2dc \ucd5c\uadfc \ubc29\ud654\ubcbd \uc124\uc815\uc73c\ub85c \uc0ac\uc6a9 \uc124\uc815\ud558\uae30 save \ud544\uc694\uc5c6\uc774 systemctl restart iptables \uc2dc \ubc14\ub85c \ubc29\ud654\ubcbd \uc801\uc6a9 \ub429\ub2c8\ub2e4.\uc811\uc18d\ub41c putty\ub294 \ubc29\ud654\ubcbd \uc218\uc815\uacfc \uc0c1\uad00\uc5c6\uc774 \uacc4\uc18d \uc811\uc18d\ub418\uba70 <a class=\"mh-excerpt-more\" href=\"https:\/\/www.auctionpro.co.kr\/?p=88\" title=\"iptables \uc218\uc815\/\uc7ac\uc2dc\uc791\/\ud655\uc778\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-88","post","type-post","status-publish","format-standard","hentry","category-centos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>iptables \uc218\uc815\/\uc7ac\uc2dc\uc791\/\ud655\uc778 - AuctionPro<\/title>\n<meta name=\"description\" content=\"1. iptables \uc800\uc7a5 \uc989\uc2dc \ucd5c\uadfc \ubc29\ud654\ubcbd \uc124\uc815\uc73c\ub85c \uc0ac\uc6a9 \uc124\uc815\ud558\uae30 save \ud544\uc694\uc5c6\uc774 systemctl restart iptables \uc2dc \ubc14\ub85c \ubc29\ud654\ubcbd \uc801\uc6a9 \ub429\ub2c8\ub2e4.\uc811\uc18d\ub41c putty\ub294 \ubc29\ud654\ubcbd \uc218\uc815\uacfc \uc0c1\uad00\uc5c6\uc774 \uacc4\uc18d \uc811\uc18d\ub418\uba70 ssh \ud655\uc778\uc740 \ub2e4\ub978 \ucc3d\uc5d0\uc11c Putty \uc811\uc18d\ud6c4 \uc801\uc6a9\uc5ec\ubd80\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.auctionpro.co.kr\/?p=88\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"iptables \uc218\uc815\/\uc7ac\uc2dc\uc791\/\ud655\uc778 - AuctionPro\" \/>\n<meta property=\"og:description\" content=\"1. iptables \uc800\uc7a5 \uc989\uc2dc \ucd5c\uadfc \ubc29\ud654\ubcbd \uc124\uc815\uc73c\ub85c \uc0ac\uc6a9 \uc124\uc815\ud558\uae30 save \ud544\uc694\uc5c6\uc774 systemctl restart iptables \uc2dc \ubc14\ub85c \ubc29\ud654\ubcbd \uc801\uc6a9 \ub429\ub2c8\ub2e4.\uc811\uc18d\ub41c 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