{"id":189,"date":"2007-11-22T19:36:23","date_gmt":"2007-11-22T10:36:23","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=189"},"modified":"2007-12-03T12:50:57","modified_gmt":"2007-12-03T03:50:57","slug":"tcpdump-%e3%81%ae-c-%e3%82%aa%e3%83%97%e3%82%b7%e3%83%a7%e3%83%b3","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=189","title":{"rendered":"tcpdump \u306e -C \u30aa\u30d7\u30b7\u30e7\u30f3"},"content":{"rendered":"<p>tcpdump \u306e -w \u30aa\u30d7\u30b7\u30e7\u30f3\u3063\u3066\u305a\u3063\u3068\u52d5\u304b\u3057\u3066\u305f\u3089 pcap \u30d5\u30a1\u30a4\u30eb\u304c\u7121\u9650\u306b\u5927\u304d\u304f\u306a\u308b\u3088\u306a\u3041\u3001\u306a\u3069\u3068\u601d\u3044\u3064\u3064 man \u30da\u30fc\u30b8\u3092\u3064\u3089\u3064\u3089\u3068\u773a\u3081\u3066\u3044\u305f\u3089\u3001\u3053\u3093\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3002<\/p>\n<p><!--more--><\/p>\n<blockquote>\n<dl>\n<dt>-C<\/dt>\n<dd>Before  writing  a  raw  packet to a savefile, check whether the file is currently larger than file_size and, if  so,  close  the current  savefile and open a new one.  Savefiles after the first savefile will have the name specified with the -w flag,  with  a number after it, starting at 1 and continuing upward.  The units of  file_size  are  millions  of  bytes  (1,000,000  bytes,  not 1,048,576 bytes).<\/dd>\n<\/dl>\n<\/blockquote>\n<p>\u51fa\u529b\u3057\u305f pcap \u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u304c\u6307\u5b9a\u5024\u3092\u8d85\u3048\u305f\u3089\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304f\u3088\u3046\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u306d\u3002\u6642\u9593\u3067\u5207\u308a\u66ff\u3048\uff08\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092 daily \u3067 rotate \u3059\u308b\u3088\u3046\u306b\uff09\u3067\u304d\u306a\u3044\u3057\u3001\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u3063\u3066\u5f37\u5236\u7684\u306b\u5207\u308a\u66ff\u3048\u3055\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u306a\u3044\u306e\u304c\u6b8b\u5ff5\u3067\u3059\u304c\u3002<\/p>\n<p>\u3068\u308a\u3042\u3048\u305a\u4ed5\u4e8b\u3067\u306f\u3053\u308c\u3092\u4f7f\u3063\u3066\u307f\u308b\u304b\u306a\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>tcpdump \u306e -w \u30aa\u30d7\u30b7\u30e7\u30f3\u3063\u3066\u305a\u3063\u3068\u52d5\u304b\u3057\u3066\u305f\u3089 pcap \u30d5\u30a1\u30a4\u30eb\u304c\u7121\u9650\u306b\u5927\u304d\u304f\u306a\u308b\u3088\u306a\u3041\u3001\u306a\u3069\u3068\u601d\u3044\u3064\u3064 man \u30da\u30fc\u30b8\u3092\u3064\u3089\u3064\u3089\u3068\u773a\u3081\u3066\u3044\u305f\u3089\u3001\u3053\u3093\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-189","post","type-post","status-publish","format-standard","hentry","category-software"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=189"}],"version-history":[{"count":0,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/189\/revisions"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=189"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}