там, скорее всего, свой сервант => adaptation-centre.nabchelny.ru
Apache/2.0.52 (CentOS) + PHP/5.0.4
вот подробности:
GET /index.php HTTP/1.0
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; en) Opera 8.01
Host: www.nabchelny.ru
Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
Accept-Language: ru,en;q=0.9
Accept-Charset: windows-1251, utf-8, utf-16, iso-8859-1;q=0.6, *;q=0.1
If-Modified-Since: Wed, 25 Jan 2006 06:00:24 GMT
Cookie: hotlog=1; DG=e81JFprzBk7FRxBs6IBfawy,zyf
Cookie2: $Version=1
Connection: Keep-Alive
HTTP/1.0 200 OK
Date: Wed, 25 Jan 2006 06:18:42 GMT
Server: Apache/2.0.52 (CentOS)
X-Powered-By: PHP/5.0.4
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Last-Modified: Wed, 25 Jan 2006 06:18:42 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: DG=e81JFprzBk7FRxBs6IBfawy,zyf; path=/
RemovedHdr: close
Content-Type: text/html; charset=windows-1251
Content-Language: ru
-------
E:\Temp\nc>nc www.nabchelny.ru 80
GET bad_req HTTP/1.0
^Q
HTTP/1.1 400 Bad Request
Date: Wed, 25 Jan 2006 06:13:27 GMT
Server: Apache/2.0.52 (CentOS)
Content-Length: 389
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 />
Request header field is missing ':' separator.<br />
<pre>
</pre>
</p>
<hr>
<address>Apache/2.0.52 (CentOS) Server at adaptation-centre.nabchelny.ru Port 80
</address>
</body></html>