Re: [squid-users] Squid - RTSP Tunnelinng issue

On 22.03.06 15:32, squid user wrote:
> Message-ID: <BAY115-F20058D194DE37FFD63E7B4A6D90@phx.gbl>
> In-Reply-To: <f4334ce50603220653v67305927s8a77228acc7dc508@mail.gmail.com>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> From: squid user <squid_user@hotmail.co.uk>
> To: squid-users@squid-cache.org
> Date: Wed, 22 Mar 2006 15:32:13 +0000
> Subject: [squid-users] Squid - RTSP Tunnelinng issue

Hello,

please, If you are writing a new post, send it as new mail and not
as reply/followup on old mail. It makes problems in threading clients.
Thank you.

> 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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