gw www # dd if=/dev/zero of=zero
711586+0 records in
711585+0 records out
^C
gw www # telnet localhost 80
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
HEAD /zero HTTP/1.0

HTTP/1.1 200 OK
Date: Fri, 14 Jan 2005 10:39:12 GMT
Server: Apache/2.0.52 (Gentoo/Linux) mod_ssl/2.0.52 OpenSSL/0.9.7d PHP/5.0.3
Last-Modified: Fri, 14 Jan 2005 10:38:59 GMT
ETag: "275a-15b74400-a46896c0"
Accept-Ranges: bytes
Content-Length: 364332032
Connection: close
Content-Type: text/plain; charset=ISO-8859-1

Connection closed by foreign host.
gw www # dd if=/dev/zero of=zero count=8000000
8000000+0 records in
8000000+0 records out
gw www # ls -lh zero
-rw-r--r--  1 root root 3.9G Jan 14 13:42 zero
gw www # telnet localhost 80
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
HEAD /zero HTTP/1.0

HTTP/1.1 403 Forbidden
Date: Fri, 14 Jan 2005 10:44:37 GMT
Server: Apache/2.0.52 (Gentoo/Linux) mod_ssl/2.0.52 OpenSSL/0.9.7d PHP/5.0.3
Connection: close
Content-Type: text/html; charset=iso-8859-1

Connection closed by foreign host.