[squid-users] Squid - RTSP Tunnelinng issue

Hi

Would anyone please like to help me on the following issue?

I have accessed http://kb.com/kbp/index.html and then trying to play the
video through quicktime.
If I am not trying through proxy server, where squid (STABLE 11) is running,
video is getting played fine.
However while I am trying through proxy, connection is not getting
established.

Using ethreal I have found following information:
During connection initialization I am getting a HTTP message from kb.com,
which contains

Hypertext Transfer Protocol
    HTTP/1.0 200 OK\r\n
        Request Version: HTTP/1.0
        Response Code: 200
    Server: QTSS/5.5 (Build/489; Platform/MacOSX; Release/Final; )\r\n
    Connection: close\r\n
    Date: Thu, 19 Aug 1982 18:30:00 GMT\r\n
    Cache-Control: no-store\r\n
    Pragma: no-cache\r\n
    Content-Type: application/x-rtsp-tunnelled\r\n
    \r\n

In acknowledgement flags should get set as below:
    Flags: 0x0002 (SYN)
        0... .... = Congestion Window Reduced (CWR): Not set
        .0.. .... = ECN-Echo: Not set
        ..0. .... = Urgent: Not set
        ...0 .... = Acknowledgment: Not set
        .... 0... = Push: Not set
        .... .0.. = Reset: Not set
        .... ..1. = Syn: Set
        .... ...0 = Fin: Not set
    Window size: 65535
    Checksum: 0xc5c6 [correct]
    Options: (12 bytes)
        Maximum segment size: 1460 bytes
        NOP
        Window scale: 2 (multiply by 4)
        NOP
        NOP
        SACK permitted

However it is getting set as
    Flags: 0x0002 (SYN)
        0... .... = Congestion Window Reduced (CWR): Not set
        .0.. .... = ECN-Echo: Not set
        ..0. .... = Urgent: Not set
        ...1 .... = Acknowledgment: Set
        .... 0... = Push: Not set
        .... .0.. = Reset: Not set
        .... ..0. = Syn: Not Set
        .... ...0 = Fin: Not set
    Window size: 6432
    Checksum: 0xc864 [correct]

   SEQ/ACK analysis
       This is an ACK to the segment in frame 1557
       The RTT to ACK the segment was: 0.000025000 seconds

Now my query is:
1. Whether squid support RTSP tunneling or not?
2. If it supports then what setting requires to handle RTSP tunneling.

With regards
Suman Mukherjee

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Received on Wed Mar 22 2006 - 08:32:17 MST