Please help!!, thank you

[TUdom-ariya]

ERROR
The requested URL could not be retrieved

While trying to process the request:

GET /pkg_edit.php?xml=squid_cache.xml&id=0 HTTP/1.0
Host: 192.168.10.254
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.4) Gecko/2008102920 Firefox/3.0.4
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Via: 1.1 localhost:80 (squid/2.6.STABLE21)
X-Forwarded-For: 192.168.10.245
Cache-Control: max-age=259200
Connection: keep-alive

The following error was encountered:

* Invalid Request

Some aspect of the HTTP Request is invalid. Possible problems:

* Missing or unknown request method
    * Missing URL
    * Missing HTTP Identifier (HTTP/1.0)
    * Request is too large
    * Content-Length missing for POST or PUT requests
    * Illegal character in hostname; underscores are not allowed

Your cache administrator is admin@localhost.
Generated Mon, 01 Dec 2008 16:46:32 GMT by localhost (squid/2.6.STABLE21)

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Guys, I got message on above when I try to access on my pfsense. how to access back to 192.168.10.254?
I have no experience about pfsense before kindly please help me out

Appreciate for your help

[GruensFroeschli]

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