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TFTP not receiving ACK

c++ udp client

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#1 SpcCode

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Posted 29 July 2012 - 03:42 AM

I am writing a TFTP Client using C++. I was able to send a read request using "octet" mode to a default TFTP Client (tftpd32). The problem is that I am unable to send the ACK back at the regular TFTP respond. I am getting the following error:

Connection received from on port 51401 [27/07 23:03:15.612]
Read request for file <test.txt>. Mode octet [27/07 23:03:15.612]
Using local port 51402 [27/07 23:03:15.612]
Connection received from on port 51401 [27/07 23:03:18.624]
Unexpected request 4 from peer [27/07 23:03:18.624]
Returning EBADOP to Peer [27/07 23:03:18.624]

Why I am able to send the RRQ but not the ACK using the same method?

Also tagged with one or more of these keywords: c++, udp, client

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