[Dnsmasq-discuss] Single-port mode for TFTP

kvaps kvapss at gmail.com
Mon Dec 30 17:36:49 GMT 2019

On Mon, Dec 30, 2019 at 2:42 PM john doe <johndoe65534 at mail.com> wrote:

> Isn't the below flag what you want from (1):
> "--tftp-port-range=<start>,<end>
> A TFTP server listens on a well-known port (69) for connection
> initiation, but it also uses a dynamically-allocated port for each
> connection. Normally these are allocated by the OS, but this option
> specifies a range of ports for use by TFTP transfers. This can be useful
> when TFTP has to traverse a firewall. The start of the range cannot be
> lower than 1025 unless dnsmasq is running as root. The number of
> concurrent TFTP connections is limited by the size of the port range."
> 1)  http://www.thekelleys.org.uk/dnsmasq/docs/dnsmasq-man.html
> --
> John Doe

Hi John,
Unfrtunately it isn't working correctly, if I run dnsmasq with static port

dnsmasq -d --enable-tftp --tftp-port-range=69,69

It reports an error:

dnsmasq-tftp: unable to get free port for TFTP

when I try to download any file from it
- kvaps
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