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ZMODEM
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==Limitations== * Some of the ZMODEM packets (e.g. ZACK, ZRPOS) embed a byte-offset within the transferred file as a 32-bit unsigned integer. This design limits the feasibility of ZMODEM to only reliably transfer files that are under 4GB in size. * Even though the protocol could permit it, the reference (l)rzsz implementation cannot encode arbitrary non-control characters (e.g. '~') which are often used by TCP/IP connection programs like [[telnet]] and [[ssh]] as client-side "terminal escape" characters. Users must disable the terminal escape feature to achieve reliable transfers over these kinds of links, e.g. ssh -e none user@hostname.
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