[*] OpenWrt problem with tftp

[Sean Walberg]

xinetd uses tcp wrappers (/etc/hosts.{allow,deny}), plus any statements in
/etc/xinetd.d/tftp even though it's a UDP service...  Are you denying it
somehow through there?

I'm pretty sure tftp is NAT friendly.  Since it's hitting syslog, my guess
is the wrappers config.

Sean

On 5/18/06, John Lange <john.lange at open-it.ca> wrote:
>
> I believe that I'm having a problem with the OpenWRT and tftp.
>
> I'm trying to fetch a file outside of the OpenWRT firewall using tftp
> but on the server side I see these messages:
>
> in.tftpd[26104]: tftpd: read(ack): Connection refused
>
> The client just times out.
>
> I suspect its a nat issue with the OpenWRT perhaps related to the fact
> the OpenWRT listens on a tftp port for uploads of firmware?
>
> Or is tftp generally tricky through nat? I can't see why it would be.
>
> Is there some kind of iptables parameter that needs to be added? Scant
> little comes up on google for iptables, nat and tftp.
>
> --
> John Lange
> OpenIT ltd. www.Open-IT.ca (204) 885 0872
> VoIP, Web services, Linux Consulting, Server Co-Location
>
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>


-- 
Sean Walberg <sean at ertw.com>    http://ertw.com/
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