Subject: FTP file transfer issue on "Grass Valley K2 FTP Server"
Date: 2018-04-04 09:41:35
From: abhishekzararia
Source: ftp-file-transfer-issue-grass-valley-k2-ftp-server
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Hi,
I am facing some issue in FTP file transfer on "Grass Valley K2 FTP Server". 
For other server type, the transfer works properly.

Below is the network traffic captured, file to be transferred in "V:/GXF" folder.

    34200 → 21 [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1
    21 → 34200 [SYN, ACK] Seq=0 Ack=1 Win=49640 Len=0 MSS=1460 WS=1 SACK_PERM=1
    34200 → 21 [ACK] Seq=1 Ack=1 Win=65536 Len=0
    Response: 220 FTP Server (x.x.x.xxxx) ready.
    Request: USER *******
    Response: 331 Password required for user *******.
    Request: PASS *******
    Response: 230 Logged in, and aspect successfully set to MOVIE, stream mode GXF.
    Request: FEAT
    Response: 211-FTP command extensions supported on MX-C39:
    34200 → 21 [ACK] Seq=35 Ack=198 Win=65280 Len=0
    Response:  UTF8
    Request: OPTS UTF8 ON
    Response: 200 UTF8 mode enabled.
    Request: CWD /
    Response: 250 Change of directory to V:/ successful, xfer mode FILEMODE.
    Request: TYPE I
    Response: 200 Type set to IMAGE.
    Request: MDTM .
    Response: 500 "MDTM" not understood.
    Request: SIZE .
    Response: 213 13
    Request: CWD /GXF
    Response: 250 Change of directory to V:/GXF/ successful, xfer mode GXF.
    Request: PWD
    Response: 257 "V:/GXF/" is current directory.
    Request: CWD /
    Response: 250 Change of directory to V:/GXF/ successful, xfer mode GXF.
    Request: CWD GXF
    Response: 250 Change of directory to V:/GXF/GXF/ successful, xfer mode GXF.
    Request: PWD
    Response: 257 "V:/GXF/GXF/" is current directory.
    Request: CWD /
    Response: 250 Change of directory to V:/GXF/GXF/ successful, xfer mode GXF.
    Request: MKD GXF
    Response: 550 Could not create directory, "GXF", 0x0

Thanks in advance.

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