✎ tftp_backslash:tftpd-hpa - Etherboot/gPXE Wiki

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====== Supporting broken TFTP clients with tftpd-hpa ======

tftpd-hpa can easily be configured to support broken TFTP clients by using a remap file.  Verify that your TFTP server supports a remap file by typing

    /usr/sbin/in.tftpd -V

You should see output such as

    [root@dolphin ~]# /usr/sbin/in.tftpd -V
    tftp-hpa 0.40, with remap, with tcpwrappers

If the "with remap" text is **not** present, then you need to rebuild your TFTP server with remapping support before proceeding.

Create the file ///etc/tftpd.map// containing

    # Convert backslashes to slashes
    rg \\ /

Edit //etc/xinetd.d/tftp// and append

<code>
  -m /etc/tftp.map
</code>

to the //server_args// line.  Your modified ///etc/xinetd.d/tftp// file should look something like

    service tftp
    {
        disable                 = no
        socket_type             = dgram
        protocol                = udp
        wait                    = yes
        user                    = root
        server                  = /usr/sbin/in.tftpd
        server_args             = -s /var/lib/tftpboot -m /etc/tftpd.map
    }

Kill off any existing tftpd processes and restart xinetd:

    killall tftpd
    killall in.tftpd
    /etc/init.d/xinetd restart

The TFTP server should now accept paths using either the usual forward slash (/) or a backslash (\) as a path separator.

Trace: • gdbstub • elf-ebi-initramfs-lnxi-howto • the_kernel • devmanual • authmenus

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