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Questions tagged [tftp]

Trivial File Transfer Protocol (TFTP) is a file transfer protocol notable for its simplicity.

TFTP is a very simple and lightweight file transfer protocol.
It only supports to read and to write files from/to a remote. Even a directory listing is not supported. It is sometimes used to boot devices without data storage or to update firmware.
TFTP is build on top of UDP and using port 69.

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What are included in "Illegal TFTP Operations"?

I'm writing a small TFTP client and server for class, and I have to send TFTP ERROR packets when things go wrong. Here is the TFTP RFC for reference. So, error code 4 is "Illegal TFTP operation", in which cases would you send that ERROR packet? For…
pepers
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Replace string by regex for tftp

I want to use tftp-hpa file-remapping feature (see the man page). It uses regex, but it doesn't have much functionality. What I want is when the client send a request for foo, the server send client_IP/foo. For the moment I have this rule : r foo…
Shan-x
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TFTP client based on java NIO

I am trying to implement TFTP client using Java NIO. But it leads to error: network error: Address already in use: bind Code snippet is shared here. Selector selector = Selector.open(); DatagramChannel channel =…
Abinaya LK
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LINUX processes are forking up to thousand of processes again, even after kill command

On one of our boxes, I'm encountering strange problem from time to time.. in.tftpd processes are forking up to thousand of processes, getting server to almost unresponsive state. I've tried various approaches to limiting tftp daemon but to…
Jackson Lourdusamy
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Linux uboot tftp - serverip constantly resets to my router's ip address

The setup: I have an i.mx53 SOM connected to a switch, which is connected to a router. My main Windows computer is also connected to the switch. The Windows computer is running a VMWare Ubuntu 12.04, where I develop my code for the i.mx53. The…
user2654735
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An error occurred - TFTP server did not start (triggered from HTTPProvisioning

im doing tr069 monitoring system, however get this error. Im not expert in Java, so can someone suggest/advice what is the meaning of this error. there are too many error, i cannot find what is the root cause 2015-04-12 19:48:04.175 NOTICE…
enthusiastic engineer
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tftp-hpa does not start when i run /etc/init.d/tftp-hpa start

I've a question because I found a bug, on Ubuntu 14.04 when i run : /etc/init.d/tftp-hpa start my tftp server does not start. Because this script can be runed only by systemd and not by upstart. But when y run : service tftp-hpa start My tftp…
user3795582
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tftp: server error: (2) Access violation

I am trying to send the file to tftp server using below command : tftp -p -l test.txt xx.xx.xx.xx And tftp usage is : BusyBox v1.13.2 (2011-03-24 18:58:44 CDT) multi-call binary Usage: tftp [OPTION]... HOST [PORT] Transfer a file from/to tftp…
shah_pankil
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Terminating TFTPD after file transfer

I am using inetutils tftpd which is started via inetd using the following entry in inetd.conf: tftp dgram udp wait root /bin/tftpd -p -u root -s /home (ignore the use of root account and /home directory, it's just for testing…
Ulrik
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Modules for Python that can be used as a TFTP server

Are there any modules for Python, that can be used as a TFTP server? I tried Tftpy, but when I try to upload something, it says: ERROR:tftpy:Write requests not implemented at this time. In fact, that's the only function that I need.
user285070
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PXE Rolling Block Doesn't Stop

I'm working on a my own PXE server (so I could install new OS's I want to test easily without the need to find and format USB's). I've stated by examining psychomario/PyPXE project, but quickly implemented my own TFTP Server. I'm testing it agains…
tmrlvi
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Picking TFTP TIDs

The RFP for TFTP says that TID's in most circumstances: should be randomly chosen, so that the probability that the same number is chosen twice in immediate succession is very low. The thing is, these "TID"s are also used as UDP port…
T.E.D.
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Tftp transfer timeout on fedora in virtual box

I am able to to do tftp on my machine as local host and can get the file. But when i am trying to do the same from other machine connected to same switch and are in same netwrok. I am getting Transfer timed out. [root@Nagra rchakena]# tftp…
Devesh Agrawal
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tftpGet error from tftpLib in VxWorks

I'm writing a little function that downloads a file from a TFTP server using VxWork's tftpLib (http://www.vxdev.com/docs/vx55man/vxworks/ref/tftpLib.html) - now I realized that my tftpGet() command is returning an error 1 but I'm not sure what…
stdcerr
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TFTP on Windows 7 doesn't work when DF flag is set. How to unset?

I'm trying to send a file to a device using TFTP.exe in Windows 7. The transfer worked successfully on Windows XP every time (many times). I'm listening to the connection using Wireshark. It seems that the device gets some packets, but occasionally…
Daniel Saad
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