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Conference lassie::ucx

Title:DEC TCP/IP Services for OpenVMS
Notice:Note 2-SSB Kits, 3-FT Kits, 4-Patch Info, 7-QAR System
Moderator:ucxaxp.ucx.lkg.dec.com::TIBBERT
Created:Thu Nov 17 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:5568
Total number of notes:21492

5203.0. "FTP and the hitch hiking bytes" by DPPSYS::BARRIE () Thu Feb 06 1997 08:01

    Hi, I have a question regarding ftp...
    
    We are trying to transfer a Digital UNIX errorlog from a customer site.
    to do this we compressed the errorlog and ftp'd it in binary mode to a
    Vax running DSNlink (still on the customer site). Later on DSNlink
    kicked in and copied (dsncopy command) the file to the Customer service 
    center (another Vax). We then copied the file from the CSC back to our
    Vax system whereupon we decompressed it and started to look at it. 
    
    when we did a dump of the file, we noticed that two extra bytes had
    been added to the beginning of the first record. This knocked the
    record details out of sync, giving incorrect node name etc.
    
    after further investigations we came across a strange thing. We ftp'd
    the file (in binary mode) to a UNIX box to run it through DECevent. We 
    were suprised to find that the two extra bytes were removed from the
    first record! We then ftp'd back to the Vax and did a dump on the file
    and the two extra bytes were still absent.
    
    My question is this.. surely if you ftp a binary errorlog in binary
    mode then it should keep it's characteristics, even if it is going from 
    a UNIX box to a Vax, and if it has picked up extra information then
    surely it should hold this information going back to a UNIX box?
    
    Cheers.
    
    Liam.
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5203.1UCXAXP::GEMIGNANITue Feb 11 1997 19:536
    
    It's been a long day, and I'm a little tired.
    
    Can you spell the whole thing out showing me where in this description
    you used FTP, and between what type of systems?  I really appreciate
    it -- thanks.