{"id":378,"date":"2010-11-16T17:43:37","date_gmt":"2010-11-16T09:43:37","guid":{"rendered":"http:\/\/julyclyde.org\/?p=378"},"modified":"2012-02-09T14:05:46","modified_gmt":"2012-02-09T06:05:46","slug":"%e5%85%b6%e5%ae%9esysop%e6%89%8b%e6%ae%b5%e4%b9%9f%e4%b8%8d%e6%98%af%e4%b8%87%e8%83%bd%e7%9a%84%ef%bc%8c%e4%bb%8a%e5%a4%a9%e8%a2%ab%e8%bf%ab%e5%8a%a8%e4%ba%86%e4%b8%80%e4%b8%8bdnsmasq%e7%9a%84","status":"publish","type":"post","link":"https:\/\/julyclyde.org\/?p=378","title":{"rendered":"\u5176\u5b9eSYSOP\u624b\u6bb5\u4e5f\u4e0d\u662f\u4e07\u80fd\u7684\uff0c\u4eca\u5929\u88ab\u8feb\u52a8\u4e86\u4e00\u4e0bdnsmasq\u7684\u6e90\u7801"},"content":{"rendered":"

\u4eca\u5929\u53d1\u73b0\u7535\u4fe1\u901a\u62e6\u622aDNS\u8bf7\u6c42\uff0c\u628a\u70ed\u95e8\u6d41\u91cf\u5bfc\u5411\u5176\u5185\u90e8 squid \u7f13\u5b58\u670d\u52a1\u5668\u3002\u4eca\u5929\u4e3b\u8981\u53d1\u73b0\u6709\u4e24\u4e2a\uff0c\u4e00\u4e2a\u662f\u65b0\u6d6a\u5fae\u535a\u7684 css \u6587\u4ef6\u6240\u5728\u7684\u57df\u540d timg.sjs.sinajs.cn \u88ab\u6307\u5411\u4e86 124.207.162.88 \uff0c\u53e6\u4e00\u4e2a\u662f\u2026\u2026\u67e5\u770b\u67d0\u4e2a\u89c6\u9891\u7684\u65f6\u5019\uff0c\u6d4f\u89c8\u5668\u72b6\u6001\u680f\u63d0\u793a\u4ece 124.207.162.83 \u4e0b\u8f7d\u6570\u636e\uff0c\u8ddf\u65b0\u6d6a\u5fae\u535a\u88ab\u62e6\u622a\u7684\u57df\u540d\u6307\u5411\u540c\u4e00\u4e2a IP \u6bb5\u3002\u4f46\u662f\u9875\u9762\u91cc\u5e76\u6ca1\u6709\u5199\u662f\u4ece\u54ea\u4e2a\u57df\u540d\u4e0b\u8f7d\u89c6\u9891\u7684\u3002\u4e8e\u662f\u4e4e\uff0c\u6211\u60f3\u4ece\u516c\u53f8\u7f51\u5173\u7684 dnsmasq \u4e0a\u53d6\u5f97\u6570\u636e\uff0c\u5374\u610f\u5916\u7684\u53d1\u73b0 –log-queries \u53c2\u6570\u65e0\u6548\uff0c\u5f00\u542f\u8be5\u53c2\u6570\u540e\uff0c\u6309\u6587\u6863\u8bf4\u660e\u53d1 USR1 \u4fe1\u53f7\u7ed9 dnsmasq \uff0csyslog \u91cc\u5374\u6ca1\u770b\u5230 cache dump\u3002<\/p>\n

\u627e\u4e86\u4e00\u53f0 Debian \u770b\u4e86\u770b\uff0c\u662f\u53ef\u4ee5\u7684\u3002\u4e8e\u662f\u6211\u7acb\u5373\u4e60\u60ef\u6027\u7684\u9634\u6697\u7684\u8ba4\u4e3a\u662f RedHat \u7684\u8f6f\u4ef6\u8d28\u91cf\u95ee\u9898\u3002\u627e\u4e86\u4e00\u5957\u539f\u88c5\u6b63\u54c1\u6e90\u7801\uff0c\u7f16\u8bd1\u540e\u53d1\u73b0\u884c\u4e3a\u4e5f\u662f\u4e00\u6837\u7684\u3002\u65e0\u5948\u4e86\uff0cSYSOP \u624b\u6bb5\u4e5f\u4e0d\u662f\u4e07\u80fd\u7684\uff0c\u53ea\u597d\u5f00\u59cb\u770b\u6e90\u7801\u3002<\/p>\n

\u6e90\u7801\u91cc\u641c\u7d22 log-queries \u627e\u5230 getopt \u8fd9\u4e2a\u6b65\u9aa4\uff0c\u627e\u5230\u5176\u5185\u90e8\u540d\u5b57 OPT_LOG\u3002\u7136\u540e\u5728\u6e90\u7801\u6587\u4ef6\u91cc\u627e\u8fd9\u4e2a\uff0c\u53d1\u73b0\u4e86 cache.c \u6587\u4ef6\u91cc\u7684 cache_dump \u51fd\u6570\u4e2d\uff0c\u5173\u4e8e dump cache \u529f\u80fd\u7684\u903b\u8f91\uff0c\u8fd9\u4e00\u53e5\u662f\u8fd9\u4e48\u5199\u7684\uff1a<\/del><\/p>\n

if ((daemon->options & (OPT_DEBUG | OPT_LOG)))<\/del><\/code><\/p>\n

\u56de\u5934\u627e\u4e00\u4e0b OPT_DEBUG\uff0c\u53d1\u73b0\u662f –no-daemon \u53c2\u6570\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ea\u6709\u8fd9\u4fe9\u53c2\u6570\u540c\u65f6\u7528\uff0c\u624d\u80fd dump cache\uff0c\u8fd9\u6837\u4e0d\u7b26\u5408 manpage \u7684\u63cf\u8ff0\u3002\u4e8e\u662f\u628a OPT_DEBUG \u53bb\u6389\u3002\u7f16\u8bd1\u518d\u8bd5\uff0c\u53d1\u73b0\u8fd8\u662f\u4e0d\u884c\u3002\u53c8<\/del><\/p>\n

\u5728 src\/cache.c \u6587\u4ef6\u7684 cache_dump \u51fd\u6570\u4e2d\uff0c\u53d1\u73b0\u51e0\u53e5 my_syslog \u51fd\u6570\u7684 log facilty \u6709\u95ee\u9898\uff0c<\/del>\u6539\u6389\uff0c\u5c31 OK \u4e86\u3002btw\uff1a\u52a0\u8bed\u53e5\u8c03\u8bd5\u7684\u8fc7\u7a0b\u4e2d\uff0c\u89c9\u5f97\u8fd9\u4e2a my_syslog \u957f\u5f97\u5f88\u50cf fprintf\u3002<\/p>\n

\u91cd\u65b0\u56de\u53bb\u653e\u89c6\u9891\uff0cdump cache\uff0c\u7ec8\u4e8e\u5728\u65e5\u5fd7\u91cc\u770b\u5230\u4e86\u8fd9\u4e48\u4e00\u53e5\uff1a
\n[root@dl360g5 log]# tail -f messages|grep 124.207
\nNov 16 17:02:39 dl360g5 dnsmasq[24252]: img.uu1001.cn\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 124.207.162.83\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4F\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tue Nov 16 17:07:37 2010<\/code>
\n\u5df2\u7ecf\u62a5\u4e86bug<\/a>\u3002\u7ecf\u4e0e\u4f5c\u8005\u8ba8\u8bba\uff0c\u53d1\u73b0\u81ea\u5df1\u539f\u6587\u4e2d\u5173\u4e8e if \u8bed\u53e5\u5224\u65ad\u6761\u4ef6\u7684\u5185\u5bb9\u662f\u9519\u8bef\u7684\uff0c\u6545\u4fee\u6b63\u3002\u771f\u6b63\u539f\u56e0\u662f dnsmasq \u628a cache dump \u8f93\u51fa\u5230\u4e86 LOG_DEBUG\uff0c\u800c CentOS \u7684 syslog \u9ed8\u8ba4\u4e0d\u8bb0\u5f55 *.debug<\/p>\n

\n
124.207.162.88<\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u5929\u53d1\u73b0\u7535\u4fe1\u901a\u62e6\u622aDNS\u8bf7\u6c42\uff0c\u628a\u70ed\u95e8\u6d41\u91cf\u5bfc\u5411\u5176\u5185\u90e8 squid \u7f13\u5b58\u670d\u52a1\u5668\u3002\u4eca\u5929\u4e3b\u8981\u53d1\u73b0\u6709\u4e24\u4e2a\uff0c\u4e00\u4e2a\u662f\u65b0\u6d6a\u5fae\u535a\u7684 css \u6587\u4ef6\u6240\u5728\u7684\u57df\u540d timg.sjs.sinajs.cn \u88ab\u6307\u5411\u4e86 124.207.162.88 \uff0c\u53e6\u4e00\u4e2a\u662f\u2026\u2026\u67e5\u770b\u67d0\u4e2a\u89c6\u9891\u7684\u65f6\u5019\uff0c\u6d4f\u89c8\u5668\u72b6\u6001\u680f\u63d0\u793a\u4ece 124.207.162.83 \u4e0b\u8f7d\u6570\u636e\uff0c\u8ddf\u65b0\u6d6a\u5fae\u535a\u88ab\u62e6\u622a\u7684\u57df\u540d\u6307\u5411\u540c\u4e00\u4e2a IP \u6bb5\u3002\u4f46\u662f\u9875\u9762\u91cc\u5e76\u6ca1\u6709\u5199\u662f\u4ece\u54ea\u4e2a\u57df\u540d\u4e0b\u8f7d\u89c6\u9891\u7684\u3002\u4e8e\u662f\u4e4e\uff0c\u6211\u60f3\u4ece\u516c\u53f8\u7f51\u5173\u7684 dnsmasq \u4e0a\u53d6\u5f97\u6570\u636e\uff0c\u5374\u610f\u5916\u7684\u53d1\u73b0 –log-queries \u53c2\u6570\u65e0\u6548\uff0c\u5f00\u542f\u8be5\u53c2\u6570\u540e\uff0c\u6309\u6587\u6863\u8bf4\u660e\u53d1 USR1 \u4fe1\u53f7\u7ed9 dnsmasq \uff0csyslog \u91cc\u5374\u6ca1\u770b\u5230 cache dump\u3002 \u627e\u4e86\u4e00\u53f0 Debian \u770b\u4e86\u770b\uff0c\u662f\u53ef\u4ee5\u7684\u3002\u4e8e\u662f\u6211\u7acb\u5373\u4e60\u60ef\u6027\u7684\u9634\u6697\u7684\u8ba4\u4e3a\u662f RedHat \u7684\u8f6f\u4ef6\u8d28\u91cf\u95ee\u9898\u3002\u627e\u4e86\u4e00\u5957\u539f\u88c5\u6b63\u54c1\u6e90\u7801\uff0c\u7f16\u8bd1\u540e\u53d1\u73b0\u884c\u4e3a\u4e5f\u662f\u4e00\u6837\u7684\u3002\u65e0\u5948\u4e86\uff0cSYSOP \u624b\u6bb5\u4e5f\u4e0d\u662f\u4e07\u80fd\u7684\uff0c\u53ea\u597d\u5f00\u59cb\u770b\u6e90\u7801\u3002 \u6e90\u7801\u91cc\u641c\u7d22 log-queries \u627e\u5230 getopt \u8fd9\u4e2a\u6b65\u9aa4\uff0c\u627e\u5230\u5176\u5185\u90e8\u540d\u5b57 OPT_LOG\u3002\u7136\u540e\u5728\u6e90\u7801\u6587\u4ef6\u91cc\u627e\u8fd9\u4e2a\uff0c\u53d1\u73b0\u4e86 cache.c \u6587\u4ef6\u91cc\u7684 cache_dump \u51fd\u6570\u4e2d\uff0c\u5173\u4e8e … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[31,43,45,10,34],"class_list":["post-378","post","type-post","status-publish","format-standard","hentry","category-default","tag-bugs","tag-dns","tag-dnsmasq","tag-linux","tag-redhat"],"_links":{"self":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts\/378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=378"}],"version-history":[{"count":0,"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts\/378\/revisions"}],"wp:attachment":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}