{"id":438,"date":"2021-06-26T12:03:16","date_gmt":"2021-06-26T04:03:16","guid":{"rendered":"http:\/\/www.kejidana.com\/?p=438"},"modified":"2021-06-26T12:03:17","modified_gmt":"2021-06-26T04:03:17","slug":"linux-%e6%90%ad%e5%bb%bapptpd%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%87%ba%e7%8e%b0%e5%8f%af%e4%bb%a5ping%e9%80%9a%e4%bd%86%e6%97%a0%e6%b3%95%e7%99%bb%e5%bd%95%e7%bd%91%e9%a1%b5","status":"publish","type":"post","link":"http:\/\/www.kejidana.com\/?p=438","title":{"rendered":"linux \u642d\u5efapptpd\u670d\u52a1\u5668\u51fa\u73b0\u53ef\u4ee5ping\u901a\u4f46\u65e0\u6cd5\u767b\u5f55\u7f51\u9875"},"content":{"rendered":"\n

linux \u642d\u5efapptpd\u670d\u52a1\u5668\u51fa\u73b0\u53ef\u4ee5ping\u901a\u4f46\u65e0\u6cd5\u767b\u5f55\u7f51\u9875\u6709\u53ef\u80fd\u662fMTU\u503c\u7684\u95ee\u9898\uff0c\u5173\u4e8eMTU\u503c\u8be6\u89e3\u53ef\u4ee5\u7f51\u4e0a\u641c\u4e0b<\/p>\n\n\n\n

\u4ee5\u4e0b\u4e3a\u4e09\u79cd\u4fee\u6539MTU\u7684\u529e\u6cd5<\/p>\n\n\n\n

\u4e00\uff0c\u5982\u679c\u5f00\u542f\u4e86iptable\u7684<\/p>\n\n\n\n

iptables -A FORWARD -p tcp --syn -s\u00a010.0.0.0\/24<\/strong>\u00a0-j TCPMSS --set -mss 1356<\/code><\/p>\n\n\n\n

\u5176\u4e2d\u7c97\u4f53\u90e8\u5206\u6362\u4e0a\u4f60\u7684pptp client\u7684ip\u6bb5<\/p>\n\n\n\n

\u4e8c\u3001 \u5728\/ec\/ppp\/ip-up \u4e2d\uff0cexit 0\u884c\u6dfb\u52a0\uff08\u672c\u4eba\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u4eb2\u6d4b\u6709\u6548\uff09<\/p>\n\n\n\n

\u00a0ifconfig $1 mtu 1492<\/code><\/p>\n\n\n\n

\u770b\u5230ip-up\u4e2d\u6709\u4e00\u884c\uff1a<\/p>\n\n\n\n

\u3010-x \/etc\/ppp\/ip-up.local\u3011&& \/etc\/ppp\/ip-up.local \"$@\"<\/code><\/p>\n\n\n\n

\u6240\u4ee5\u4e5f\u5728ip-up.local \u6587\u4ef6\u4e2d\u6dfb\u52a0ifconfig $1 mtu 1492<\/code>\u4e5f\u540c\u6837\u6709\u6548\u3002<\/p>\n\n\n\n

\u4e09\u3001 \u5728pptpd\u914d\u7f6e\u6587\u4ef6\u4e2d\u8bbe\u7f6e\uff1a<\/p>\n\n\n\n

\u6253\u5f00\/etc\/ppp\/options.pptpd<\/p>\n\n\n\n

\u00a0\u5728\u6587\u4ef6\u6700\u540e\u6dfb\u52a0 mtu 1492<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"

linux \u642d\u5efapptpd\u670d\u52a1\u5668\u51fa\u73b0\u53ef\u4ee5ping\u901a\u4f46\u65e0\u6cd5\u767b\u5f55\u7f51\u9875\u6709\u53ef\u80fd\u662fMTU\u503c\u7684\u95ee\u9898\uff0c\u5173\u4e8eMTU\u503c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-438","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"http:\/\/www.kejidana.com\/index.php?rest_route=\/wp\/v2\/posts\/438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.kejidana.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.kejidana.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.kejidana.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.kejidana.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=438"}],"version-history":[{"count":2,"href":"http:\/\/www.kejidana.com\/index.php?rest_route=\/wp\/v2\/posts\/438\/revisions"}],"predecessor-version":[{"id":451,"href":"http:\/\/www.kejidana.com\/index.php?rest_route=\/wp\/v2\/posts\/438\/revisions\/451"}],"wp:attachment":[{"href":"http:\/\/www.kejidana.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.kejidana.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=438"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.kejidana.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}