{"id":472,"date":"2011-04-22T22:13:39","date_gmt":"2011-04-22T14:13:39","guid":{"rendered":"http:\/\/www.alextwl.idv.tw\/memo\/?p=472"},"modified":"2011-04-22T22:13:39","modified_gmt":"2011-04-22T14:13:39","slug":"iptables-clamp-tcpmss","status":"publish","type":"post","link":"https:\/\/www.alextwl.idv.tw\/memo\/2011\/04\/iptables-clamp-tcpmss\/","title":{"rendered":"iptables \u4fee\u6539 TCP MSS"},"content":{"rendered":"<p>\u5bb6\u88e1 router \u5efa\u4e86\u4e00\u5806 tunnel\uff0c\u6642\u5e38\u6703\u9047\u5230 tunnel \u90a3\u6bb5 MTU \u592a\u5c0f\uff0c\u7d50\u679c\u72c2\u6389\u5305\u3002\u65bc\u662f\u627e\u4e86 iptables \u4f86\u6539 TCP \u7684 MSS\uff0c\u76f4\u63a5\u8abf\u6210 PMTU \u6536\u5de5&#8230;<\/p>\n<p><code>iptables -t mangle -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu<br \/>\nip6tables -t mangle -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu<\/code><\/p>\n<p>\u8a3b\uff1a\u5982\u679c\u6709\u5f04 IPv6 Tunnel\/Broker\uff0c\u4e5f\u8981\u6ce8\u610f MTU \u7684\u554f\u984c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bb6\u88e1 router \u5efa\u4e86\u4e00\u5806 tunnel\uff0c\u6642\u5e38\u6703\u9047\u5230 tunnel \u90a3\u6bb5 MTU \u592a\u5c0f\uff0c\u7d50\u679c\u72c2\u6389\u5305\u3002\u65bc\u662f\u627e\u4e86 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-472","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/posts\/472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/comments?post=472"}],"version-history":[{"count":1,"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/posts\/472\/revisions"}],"predecessor-version":[{"id":473,"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/posts\/472\/revisions\/473"}],"wp:attachment":[{"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/media?parent=472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/categories?post=472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alextwl.idv.tw\/memo\/wp-json\/wp\/v2\/tags?post=472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}