こんなんでました。。

CONTENT_LENGTH = 90
CONTENT_TYPE = application/x-www-form-urlencoded
HTTP_ACCEPT = image/gif, image/x-xbitmap, image/jpeg,
image/pjpeg, application/vnd.ms-powerpoint, application/vnd.ms-
excel, application/msword, application/x-shockwave-flash, */*
HTTP_ACCEPT_LANGUAGE = ja
HTTP_COOKIE = PON=test
HTTP_HOST = i2ch.net
HTTP_PRAGMA = no-cache
HTTP_REFERER = http://i2ch.net/check/index.html
HTTP_USER_AGENT = Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
QUERY_STRING =
REQUEST_METHOD = POST
REQUEST_URI = /test/bbs.cgi

。。