{"id":3119,"date":"2013-04-26T11:40:29","date_gmt":"2013-04-26T03:40:29","guid":{"rendered":"http:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/?p=3119"},"modified":"2013-04-26T11:40:29","modified_gmt":"2013-04-26T03:40:29","slug":"linux-iptables-firewall-rules-to-prevent-private-ip-leakage-from-masqueradesnat","status":"publish","type":"post","link":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/?p=3119","title":{"rendered":"Linux iptables firewall rules to prevent private IP leakage from masquerade\/SNAT"},"content":{"rendered":"<p>Unroutable TCP type packets, from reserved for local use only networks (RFC1918), being sent out to internet on a Linux masquerade box.<\/p>\n<p>See <a href=\"http:\/\/www.smythies.com\/~doug\/network\/iptables_notes\/index.html\">http:\/\/www.smythies.com\/~doug\/network\/iptables_notes\/index.html<\/a><\/p>\n<p>And <a href=\"http:\/\/en.wikipedia.org\/wiki\/Transmission_Control_Protocol#Connection_termination\">http:\/\/en.wikipedia.org\/wiki\/Transmission_Control_Protocol#Connection_termination<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Unroutable TCP type packets, from reserved for local use only networks (RFC1918), being sent out to internet on a Linux masquerade box.<\/p>\n<p>See http:\/\/www.smythies.com\/~doug\/network\/iptables_notes\/index.html<\/p>\n<p>And http:\/\/en.wikipedia.org\/wiki\/Transmission_Control_Protocol#Connection_termination<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[3],"tags":[105,57],"class_list":["post-3119","post","type-post","status-publish","format-standard","hentry","category-computer","tag-iptables","tag-linux","odd"],"_links":{"self":[{"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3119"}],"version-history":[{"count":1,"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3119\/revisions"}],"predecessor-version":[{"id":3120,"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3119\/revisions\/3120"}],"wp:attachment":[{"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staff.ie.cuhk.edu.hk\/~sfluk\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}