{"id":554,"date":"2000-06-15T09:51:34","date_gmt":"2000-06-15T00:51:34","guid":{"rendered":"http:\/\/terzeron.com\/?p=554"},"modified":"2000-06-15T09:51:34","modified_gmt":"2000-06-15T00:51:34","slug":"security-tcp-wrappers","status":"publish","type":"post","link":"https:\/\/terzeron.com\/?p=554","title":{"rendered":"[Security] TCP Wrappers"},"content":{"rendered":"<p>[ CnUnix ] in KIDS<br \/>\n\uae00 \uc4f4 \uc774(By): handsome (\uc544\ud514\uc5c6\ub294\uc774)<br \/>\n\ub0a0 \uc9dc (Date): 2000\ub144 6\uc6d4 14\uc77c \uc218\uc694\uc77c \uc624\ud6c4 06\uc2dc 12\ubd84 49\ucd08<br \/>\n\uc81c \ubaa9(Title): Hacking\ub2f9\ud558\uace0 \uc788\uc744 \ub54c?<\/p>\n<p>\ud604\uc7ac \uc800\ud76c \uc5f0\uad6c\uc18c\uc5d0 DNS Server\uc774\uc790 E-mail Server\uac00 hacking\uc744 \ub2f9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc99d\uc0c1\uc744 \ubcf4\uba74, date\uba85\ub839\uc744 \uccd0 \ubd24\uc744 \ub54c \uc2dc\uac04\uc774 \uba48\ucdb0\uc838 \uc788\uace0, (\ub298 \uac19\uc740 \uc2dc\uac04\uc774 \ub098\uc635\ub2c8\ub2e4.), \uadf8\ub9ac\uace0, root\uc5d0\uac8c \ub3cc\uc544\uc624\ub294 \uc804\uc790\uba54\uc77c\uc744 \ubcf4\uba74, spam mail\uc774\ub2c8\uae4c \ub9c9\uc73c\ub77c\ub294 \uc804\uc790\uba54\uc77c\uc77c \ub4e4\uc5b4 \uc624\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc800\ud76c machine\uc740 TCP-Wrapper\uc640 Sendmail\uc758 relayhost\ubc29\uc9c0\uae30\ub2a5\uc744 \uc774\uc6a9\ud574\uc11c spam mail server\uac00 \ub418\ub294 \uac83\uc744 \ub9c9\uc544\uc654\ub294\ub370, \uc5b4\ub5bb\uac8c \ub4e4\uc5b4 \uc654\ub294\uc9c0 \uad81\uae08\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc5ec\ud558\ud2bc, \ub3c4\uc6c0\uc774 \ub420\ub9cc\ud55c \ub9d0\uc500 \uc788\uc73c\uc2dc\uba74 \ud574\uc8fc\uc2ed\uc2dc\uc694. \ud751\ud751\ud751<\/p>\n<p>[ CnUnix ] in KIDS<br \/>\n\uae00 \uc4f4 \uc774(By): terzeron (microkid)<br \/>\n\ub0a0 \uc9dc (Date): 2000\ub144 6\uc6d4 15\uc77c \ubaa9\uc694\uc77c \uc624\uc804 09\uc2dc 51\ubd84 01\ucd08<br \/>\n\uc81c \ubaa9(Title): Re: Hacking\ub2f9\ud558\uace0 \uc788\uc744 \ub54c?<\/p>\n<p>TCP wrappers\ub77c\uace0 \ud574\ub3c4 \uadf8\uac8c \uc81c\ub300\ub85c wrapping\uc744 \ud558\uace0 \uc788\ub294\uc9c0\ub294 \uaf3c\uaf3c\ud558\uac8c \uc810\uac80\ud558\uc9c0 \uc54a\uc73c\uba74 \uc548 \ub429\ub2c8\ub2e4. \uadf8 \ud328\ud0a4\uc9c0 \uc548\uc5d0\ub294 \uc124\uce58\ub418\uc5b4 \uc788\ub294 wrapper\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \uc810\uac80\ud574\uc8fc\ub294 \ud504\ub85c\uadf8\ub7a8\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4. tcpdtry(\uc774\ub984\uc740 \uc815\ud655\ud558\uc9c0 \uc54a\uc9c0\ub9cc)\uc640 tcpdchk\uac19\uc740 \ud504\ub85c\uadf8\ub7a8\ub4e4\uc774 \ubc14\ub85c \uadf8\uac83\uc778\ub370, \uc774\ub7f0 \ud504\ub85c\uadf8\ub7a8\uc73c\ub85c wrapping\uc5d0 \uad6c\uba4d\uc774 \uc788\uc9c0 \uc54a\uc740\uac00 \uc810\uac80\ud558\uc2dc\ub294 \uac83\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p>\ud2b9\ud788 TCP wrappers\ub294 \/etc\/hosts.allow\ud30c\uc77c\uc744 \uc77d\uc5b4\ub4e4\uc5ec\uc11c \uad6c\ubb38\ubd84\uc11d\uc744 \ud558\ub294 \uae30\ub2a5\uc774 \ubbf8\uc57d\ud55c \uad00\uacc4\ub85c IP address \ub9ac\uc2a4\ud2b8 \uc0ac\uc774\uc5d0 \uc8fc\uc11d\uc744 \ub2ec \uac70\ub098, comma\ub97c \uc4f4\ub2e4\uac70\ub098 \ud558\ub294 \uc2e4\uc218\ub85c wrapping\uc744 \uc81c\ub300\ub85c \ucc98\ub9ac \ubabb\ud558\ub294 \uacbd\uc6b0\uac00 \uc885\uc885 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uac8c\ub2e4\uac00 domain name\uc73c\ub85c \uc801\uc5b4\uc8fc\uac8c \ub418\uba74 IP\ub85c \ub9e4\ud551\uc744 \ubabb\ud574\uc11c \uad6c\uba4d\uc774 \uc0dd\uae30\ub294 \uacbd\uc6b0\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uadf8\ub9ac\uace0 wrapper\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc5b4\ub3c4, wrapper\uac00 \ub9c9\uc9c0 \ubabb\ud558\ub294 \ud3ec\ud2b8\ub4e4\uc774 \uba87 \uac00\uc9c0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7f0 \ud3ec\ud2b8\ub4e4\uc744 \ud1b5\ud574\uc11c \uacf5\uaca9\uc744 \ud558\uac8c \ub418\uba74 wrapper\uac00 \ubb34\uc6a9\uc9c0\ubb3c\uc774\uc8e0.<\/p>\n<p>\uc774\uac83\uc5d0 \ub300\ud55c \ud574\uacb0\ucc45\uc73c\ub85c\ub294 rpcbind(RPC wrapper)\ub97c \uc124\uce58\ud558\uc5ec RPC \ud3ec\ud2b8\ub97c \ub9c9\uace0 nmap \ud328\ud0a4\uc9c0\ub85c \uc5f4\ub824\uc788\ub294 \ud3ec\ud2b8\ub4e4\uc5d0 \ub300\ud55c \uc810\uac80\uc744<br \/>\n\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<div class=\"fb-background-color\">\n\t\t\t  <div \n\t\t\t  \tclass = \"fb-comments\" \n\t\t\t  \tdata-href = \"https:\/\/terzeron.com\/?p=554\"\n\t\t\t  \tdata-numposts = \"100\"\n\t\t\t  \tdata-lazy = \"true\"\n\t\t\t\tdata-colorscheme = \"light\"\n\t\t\t\tdata-order-by = \"time\"\n\t\t\t\tdata-mobile=true>\n\t\t\t  <\/div><\/div>\n\t\t  <style>\n\t\t    .fb-background-color {\n\t\t\t\tbackground: #ffffff !important;\n\t\t\t}\n\t\t\t.fb_iframe_widget_fluid_desktop iframe {\n\t\t\t    width: 100% !important;\n\t\t\t}\n\t\t  <\/style>\n\t\t  ","protected":false},"excerpt":{"rendered":"<p>[ CnUnix ] in KIDS \uae00 \uc4f4 \uc774(By): handsome (\uc544\ud514\uc5c6\ub294\uc774) \ub0a0 \uc9dc (Date): 2000\ub144 6\uc6d4 14\uc77c \uc218\uc694\uc77c \uc624\ud6c4 06\uc2dc 12\ubd84 49\ucd08 \uc81c \ubaa9(Title): Hacking\ub2f9\ud558\uace0 \uc788\uc744 \ub54c? \ud604\uc7ac \uc800\ud76c \uc5f0\uad6c\uc18c\uc5d0 DNS Server\uc774\uc790 E-mail Server\uac00 hacking\uc744 \ub2f9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc99d\uc0c1\uc744 \ubcf4\uba74, date\uba85\ub839\uc744 \uccd0 &hellip; <a href=\"https:\/\/terzeron.com\/?p=554\">\uacc4\uc18d \uc77d\uae30 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[14,9],"tags":[],"class_list":["post-554","post","type-post","status-publish","format-standard","hentry","category-unixlinux","category-9"],"_links":{"self":[{"href":"https:\/\/terzeron.com\/index.php?rest_route=\/wp\/v2\/posts\/554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/terzeron.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/terzeron.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/terzeron.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/terzeron.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=554"}],"version-history":[{"count":0,"href":"https:\/\/terzeron.com\/index.php?rest_route=\/wp\/v2\/posts\/554\/revisions"}],"wp:attachment":[{"href":"https:\/\/terzeron.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/terzeron.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/terzeron.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}