Lockhart, Charles wrote:
Well, hmm, it should work, but didn't. I tried the same thing with ftp (edited the wu-ftp file) and it worked fine. Some reason it doesn't seem to work with tftp, or I'm doing something wrong. I also tried the "only_from = 128.666.777.444", but that also didn't seem to have any effect."Something". I don't understand the 128.666.777.0/24. The /24 is a port number or something?
/24 specifies a subnet mask of 255.255.255.0. So any IP from 128.666.777.0-128.666.777.255 will be accepted. This is known as CIDR notation.
I'm working with a bunch of embedded devices that use tftp to download a disk image which they burn into their flash. I do this regularly enough that having to go and edit the tftp file to renable tftp, then kill xinetd, then restart xinetd, then load the file, then kill xinetd, edit the tftp file, then restart xinetd, well, it's a little bit tedious. Maybe I need to look at the tcp wrappers stuff.
Or just use iptables :) I don't think TCP wrappers work for UDP (which TFTP uses).
Thanks, -Charles
--MonMotha
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