{"id":306,"date":"2023-03-29T22:23:42","date_gmt":"2023-03-29T13:23:42","guid":{"rendered":"https:\/\/trret.com\/?p=306"},"modified":"2023-03-29T22:23:43","modified_gmt":"2023-03-29T13:23:43","slug":"centos7-firewalld-%ec%97%90-%ec%95%84%ec%9d%b4%ed%94%bc-%ec%b6%94%ea%b0%80","status":"publish","type":"post","link":"https:\/\/trret.com\/?p=306","title":{"rendered":"[CENTOS7] firewalld \uc5d0 \uc544\uc774\ud53c \ucd94\uac00"},"content":{"rendered":"\n

\ud574\ud0b9\uc744 \ub2f9\ud574\uc11c \uc544\uc774\ud53c\ub85c ssh\uc811\uc18d\uc744 \uc81c\ud55c\ud574\ubcf8\ub2e4.<\/p>\n\n\n\n

<\/p>\n\n\n\n

\uae30\ubcf8\uac12\uc73c\ub85c public\uc874\uc5d0 \uc11c\ube44\uc2a4\uc640 \ud3ec\ud2b8\uac00 \ucd94\uac00\ub418\uc5b4\uc788\ub2e4.
\uadf8\ub798\uc11c public\uc874\uc5d0 \ubaa8\ub4e0 \uc544\uc774\ud53c\uc5d0 \ub300\ud574 ssh\uc811\uc18d\uc774 \uac00\ub2a5\ud55c\ub370
block\uc874\uc5d0 ssh\uc811\uc18d\uac00\ub2a5\ud55c \uc544\uc774\ud53c\ub97c \ucd94\uac00\ud558\uace0
public\uc5d0\uc11c \uc9c0\uc6b0\uba74 \ud574\ub2f9 \uc544\uc774\ud53c\ub9cc ssh\uc811\uc18d\uac00\ub2a5\ud558\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n

<\/p>\n\n\n\n

block \uc874\uc5d0 \uae30\ubcf8\uc11c\ube44\uc2a4 \ucd94\uac00<\/h3>\n\n\n\n

firewall-cmd --zone=block --add-service=http --permanent
firewall-cmd --zone=block --add-service=https --permanent
firewall-cmd --zone=block --add-service=ssh --permanent
firewall-cmd --zone=block --add-port=80\/tcp --permanent
firewall-cmd --zone=block --add-port=443\/tcp --permanent<\/p>\n\n\n\n

<\/p>\n\n\n\n

\uc6d0\ud558\ub294 \uc544\uc774\ud53c \ucd94\uac00<\/h3>\n\n\n\n

firewall-cmd --zone=block --add-source=111.111.111.111 --permanent<\/p>\n\n\n\n

<\/p>\n\n\n\n

\uc544\uc774\ud53c\uac00 \uac00\ub054 \ubc14\ub010\ub2e4\uba74 \ub300\uc5ed\ub300 \ucd94\uac00<\/h3>\n\n\n\n

firewall-cmd --zone=block --add-source=222.222.222.222\/24 --permanent<\/p>\n\n\n\n

<\/p>\n\n\n\n

public\uc5d0\uc11c ssh\uc11c\ube44\uc2a4 \uc0ad\uc81c. (\ucd94\uac00\uc5d0\uc11c add\ub97c remove\ub85c \ubc14\uafbc\ub2e4.)<\/h3>\n\n\n\n

firewall-cmd --zone=public --remove-service=ssh --permanent<\/p>\n\n\n\n

<\/p>\n\n\n\n

\ubaa8\ub4e0 \uc791\uc5c5 \ud6c4 firewall reload\ud574\uc57c \uc801\uc6a9\ub41c\ub2e4.<\/h3>\n\n\n\n

firewall-cmd --reload<\/p>\n\n\n\n

<\/p>\n\n\n\n

\ud655\uc778\ud574\ubcf4\uae30<\/h3>\n\n\n\n

firewall-cmd --zone=block --list-all
firewall-cmd --zone=public --list-all<\/p>\n","protected":false},"excerpt":{"rendered":"

\ud574\ud0b9\uc744 \ub2f9\ud574\uc11c \uc544\uc774\ud53c\ub85c ssh\uc811\uc18d\uc744 \uc81c\ud55c\ud574\ubcf8\ub2e4. \uae30\ubcf8\uac12\uc73c\ub85c public\uc874\uc5d0 \uc11c\ube44\uc2a4\uc640 \ud3ec\ud2b8\uac00 \ucd94\uac00\ub418\uc5b4\uc788\ub2e4.\uadf8\ub798\uc11c public\uc874\uc5d0 \ubaa8\ub4e0 \uc544\uc774\ud53c\uc5d0 \ub300\ud574 ssh\uc811\uc18d\uc774 \uac00\ub2a5\ud55c\ub370block\uc874\uc5d0 ssh\uc811\uc18d\uac00\ub2a5\ud55c \uc544\uc774\ud53c\ub97c \ucd94\uac00\ud558\uace0public\uc5d0\uc11c \uc9c0\uc6b0\uba74 \ud574\ub2f9 \uc544\uc774\ud53c\ub9cc ssh\uc811\uc18d\uac00\ub2a5\ud558\uac8c \ub41c\ub2e4. block \uc874\uc5d0 \uae30\ubcf8\uc11c\ube44\uc2a4 \ucd94\uac00 firewall-cmd --zone=block --add-service=http --permanentfirewall-cmd --zone=block --add-service=https --permanentfirewall-cmd --zone=block --add-service=ssh --permanentfirewall-cmd --zone=block --add-port=80\/tcp --permanentfirewall-cmd --zone=block --add-port=443\/tcp --permanent \uc6d0\ud558\ub294 \uc544\uc774\ud53c \ucd94\uac00 firewall-cmd --zone=block --add-source=111.111.111.111 \ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[29,28,30],"tags":[],"_links":{"self":[{"href":"https:\/\/trret.com\/index.php?rest_route=\/wp\/v2\/posts\/306"}],"collection":[{"href":"https:\/\/trret.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trret.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trret.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trret.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=306"}],"version-history":[{"count":1,"href":"https:\/\/trret.com\/index.php?rest_route=\/wp\/v2\/posts\/306\/revisions"}],"predecessor-version":[{"id":307,"href":"https:\/\/trret.com\/index.php?rest_route=\/wp\/v2\/posts\/306\/revisions\/307"}],"wp:attachment":[{"href":"https:\/\/trret.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trret.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trret.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}