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Hey Piotr,

I'd find this feature very useful since I only use TFTP put my cisco configs into version control (that means the file actually has to be overwritten each time).
If you don't mind I would send a pull request and add an --force (-f) option.
What do you think?

Hello Piotr,

fx-tftp is my first choice as tftp server, mainly for file transfers to and from different Cisco firewalls.
However, its strong point is - for my understanding - the use as adhoc server and I think the UI should emphasis this.
Here is a draft for version 1.n:

$ tftpd
Usage: tftpd [OPTIONS] DIR
    -v, --verbose                    Enable verbose output
    -l, --listen ADDRESS             On which address to listen (default: 0.0.0.0)
    -p, --port PORT                  Serving root directory (default: 69)
    -r, --read-only                  Do not Overwrite existing files (not enabled by default)

Some explanations:

• Port and address are common (unsecure) defaults but thats expected behaviour.
• Verbose logging should include a list of files that will be served and which one are currently transferred (+ status)
• Read-only mode should only be optional. Most of the time I overwrite config-files on the fx-tftp side.
• Running on UDP69 requires root priviledges of course so a friendly error message should give a proper hint.

Before I send (possibly unwanted) pull requests I'd like to hear your opinion on this :-)

Greetins from germany,
Björn