これって何かの規制に引っかかってますか？
ここからギコナビの情報
●例外
HTTP/1.1 400 Bad Request
●送信
POST /test/bbs.cgi HTTP/1.0
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 132
Pragma: no-cache
Host: pele.bbspink.com
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*
Accept-Language: ja
Referer: http://pele.bbspink.com/test/read.cgi/sureh/1412208565/l50
User-Agent: Monazilla/1.00 gikoNavi/beta68/1.68.1.843
●受信
HTTP/1.1 400 Bad Request
Date: Sat, 29 Nov 2014 23:42:21 GMT
Server: Apache/2.2.15 (Unix) PHP/5.2.13 mod_ssl/2.2.15 OpenSSL/0.9.8n
Vary: Accept-Encoding
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
Size of a request header field exceeds server limit.<br />