TFTP : UDP / TCP

Unanswered Question
Jun 14th, 2007

Hi,

We know that TFTP uses UDP.

But may a TFTP application send some TCP segments ?

So when we want to block traffic to access TFTP server, we should go :

... deny udp ... eq 69

... deny tcp ... eq 69 ?

Thanks,

Navid

I have this problem too.
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Paolo Bevilacqua Thu, 06/14/2007 - 06:04

TFPT is UDP only.

Nothing prevents an application to use TCP on port 69, but that would not work with TFTP.

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