RE: [squid-users] website not showing up on http transparent squid

From: Jacob D. Myers <jmyers@dont-contact.us>
Date: Mon, 13 Aug 2007 14:13:49 -0500

(From IE and Firefox there is simply a blank screen and a status of Done when requesting this site)
(Here is my squid.conf:)

http_port 3128 transparent
hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
cache deny QUERY
acl apache rep_header Server ^Apache
broken_vary_encoding allow apache
cache_mem 128 MB
cache_dir null /null
access_log /var/log/squid/access.log squid
hosts_file /etc/hosts
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern . 0 20% 4320
acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl to_localhost dst 127.0.0.0/8
acl unauthsites dstdomain "/etc/squid/unauthorized-sites"
acl workstations src 10.0.10.0/255.255.255.0
acl CONNECT method CONNECT
acl our_network src 10.0.10.0/255.255.255.0
no_cache deny all
http_access allow manager localhost
http_access deny manager
http_access deny workstations unauthsites
http_access allow our_network
http_access allow localhost
http_access deny all
http_reply_access allow all
always_direct allow all
icp_access allow all
cache_effective_group proxy
visible_hostname ubprox
coredump_dir /var/spool/squid

(All I get in access.log is:)

1187028327.093 229 10.0.10.62 TCP_MISS/200 4225 GET http://www.fnams.com/ - DIRECT/206.54.145.38 text/html

(This is what telnet to port 80 on my squid box gets:)

HTTP/1.1 400 Bad Request ( The data is invalid. )
Connection: close
Pragma: no-cache
Cache-Control: no-cache
Content-Type: text/html
Content-Length: 1714

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML dir=ltr><HEAD><TITLE>The page cannot be displayed</TITLE>
<STYLE>A:link {
        FONT: 8pt/11pt verdana; COLOR: #ff0000
}
A:visited {
        FONT: 8pt/11pt verdana; COLOR: #4e4e4e
}
</STYLE>

<META content=NOINDEX name=ROBOTS>
<META http-equiv=Content-Type content="text-html; charset=Windows-1252">

<META content="MSHTML 5.50.4522.1800" name=GENERATOR></HEAD>
<BODY bgColor=#ffffff>
<TABLE cellSpacing=5 cellPadding=3 width=410>
  <TBODY>
  <TR>
    <TD vAlign=center align=left width=360>
      <H1 style="FONT: 13pt/15pt verdana; COLOR: #000000"><!--Problem-->The page
      cannot be displayed</H1></TD></TR>
  <TR>
    <TD width=400 colSpan=2><FONT
      style="FONT: 8pt/11pt verdana; COLOR: #000000">There is a problem with the
      page you are trying to reach and it cannot be displayed.</FONT></TD></TR>
  <TR>
    <TD width=400 colSpan=2><FONT
      style="FONT: 8pt/11pt verdana; COLOR: #000000">
      <HR color=#c0c0c0 noShade>

      <P>Please try the following:</P>
      <UL>
        <LI>Click the Refresh button,
        or try again later.<BR>
        <LI>Open the Web site
         home page, and then look for links to the information you want.
        <LI>If you believe you should be able to view this directory or page,
        please contact the Web site administrator by using the e-mail address or
        phone number listed on the Web site
         home page. </LI></UL>
      <H2 style="FONT: 8pt/11pt verdana; COLOR: #000000">400 Bad Request - The data is invalid. (13)<BR>Internet Security and Acceleration Server</H2>
      </FONT></TD></TR></TBODY></TABLE></BODY></HTML>
Connection closed by foreign host.

(From the windows client I get this from telnet port 80:)

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.or
g/TR/html4/loose.dtd">
                      <HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/
html; charset=iso-8859-1">
                          <TITLE>ERROR: The requested URL could not be retrieved
</TITLE>
        <STYLE type="text/css"><!--BODY{background-color:#ffffff;font-family:ver
dana,sans-serif}PRE{font-family:sans-serif}--></STYLE>
                                                      </HEAD><BODY>
                                                                   <H1>ERROR</H1
>
 <H2>The requested URL could not be retrieved</H2>
                                                  <HR noshade size="1px">
                                                                         <P>
                                                                            Whil
e trying to process the request:
                                <PRE>

                                     </PRE>
                                           <P>
                                              The following error was encountere
d:
  <UL>
      <LI>
          <STRONG>
                  Invalid Request
                                 </STRONG>
                                          </UL>

                                               <P>
                                                  Some aspect of the HTTP Reques
t is invalid. Possible problems:
                                 <UL>
                                     <LI>Missing or unknown request method
                                                                          <LI>Mi
ssing URL
         <LI>Missing HTTP Identifier (HTTP/1.0)
                                               <LI>Request is too large
                                                                       <LI>Conte
nt-Length missing for POST or PUT requests
                                          <LI>Illegal character in hostname; und
erscores are not allowed
                        </UL>
                             <P>Your cache administrator is <A HREF="mailto:webm
aster">webmaster</A>.

                      <BR clear="all">
                                      <HR noshade size="1px">
                                                             <ADDRESS>
                                                                      Generated
Mon, 13 Aug 2007 18:10:42 GMT by ubprox (squid/2.6.STABLE5)
                                                           </ADDRESS>
                                                                     </BODY></HT
ML>

Connection to host lost.

Thank you,
Jacob D Myers
 
 

-----Original Message-----
From: Tek Bahadur Limbu [mailto:teklimbu@wlink.com.np]
Sent: Monday, August 13, 2007 1:37 PM
To: Jacob D. Myers
Cc: Henrik Nordstrom; squid-users@squid-cache.org
Subject: Re: [squid-users] website not showing up on http transparent squid

Jacob D. Myers wrote:
> Interesting, I wonder if that is because I have it running transparently.

Hi Jacob,

I can access www.fnams.com with my transparent proxy setup.
Can you telnet to www.fnams.com on port 80 from your Squid proxy in the
first place if not from the user's end?

What is the exact error that Squid reports when trying to access it
transparently from the user's end?

I bet your best tool would be running tcpdump and check if some kind of
firewall is actually coming in your way.

Also what does your cache.log and access.log say?

Thanking you...

>
> Thank you,
> Jacob D. Myers
>
>
> -----Original Message-----
> From: Henrik Nordstrom [mailto:henrik@henriknordstrom.net]
> Sent: Monday, August 13, 2007 11:37 AM
> To: Jacob D. Myers
> Cc: squid-users@squid-cache.org
> Subject: Re: [squid-users] website not showing up on http transparent squid
>
> On mån, 2007-08-13 at 09:18 -0500, Jacob D. Myers wrote:
>> Hello, this is my first time posting.
>> I have a client that is trying to request www.fnams.com.
>> There are no errors in the log files, and squid is not reporting any
>> problems but the site simply will not display in IE6 or Firefox 2.
>
> Works for me using Firefox 2.0.0.5 with Squid configured as a proxy.
>
> Regards
> Henrik
>
>
>

-- 
With best regards and good wishes,
Yours sincerely,
Tek Bahadur Limbu
(TAG/TDG Group)
Jwl Systems Department
Worldlink Communications Pvt. Ltd.
Jawalakhel, Nepal
http://www.wlink.com.np
Received on Mon Aug 13 2007 - 13:14:43 MDT

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