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.

215 questions
1
vote
1 answer

Sending both data and ACKs from the same port on the same machine

I am implementing the TFTP (trivial FTP) protocol in Java. I have a client and a server, and so far the client can request a file and the server sends him that data. Here is where I hit my problem - for obvious testing reasons, I run both the client…
Andrei Bârsan
  • 3,473
  • 2
  • 22
  • 46
1
vote
0 answers

Store logs from Netgear N150 WGR614

Trying to fetch logs about client activity from Netgear N150 WGR614 but even after enabling telnet using this script i was not able to do that. Anybody know which variant supports SSH/TFTP/Telnet so that i can access it like linux machine (some have…
1
vote
2 answers

'^M' character inserted instead of new line

Goal: Transferring a file from client to the server. Environment: Linux Problem: When opening the incompletely copied file in the server, it looks like there is a "^M" character in the place of new line.
EasyQuestions
  • 327
  • 1
  • 10
  • 23
1
vote
1 answer

VxWorks tftpLib. Linker error

I try to create application for VxWorks which will simply take file using tftp. But linker doesn't know what tftpInit() function is. These are errores example: dld: warning: Undefined symbol 'tftpPeerSet' in file…
1
vote
1 answer

tftp client not receiving from server (send to wrong port)

I'm writing my own TFTP-client. The client is written in c++ (part wise c) and runs on a unix system (Linux Debian stable). Here is my problem: I can send my read-request(RRQ) to the TFTP-server(Open TFTP Server on Windows XP). The TFTP-server…
i3luefire
  • 59
  • 1
  • 12
1
vote
2 answers

Unkown Opcode from TFTP Client when looked at in wireshark

Good evening everyone. I'm having trouble creating a TFTP client for an assignment in C++ that uses #include I'm sending the char buffer: buffer={'0','2','f','i','l','e','n','a','m','e','0','o','c','t','e','t','0'}; Using the…
Siemsen
  • 199
  • 1
  • 3
  • 13
1
vote
1 answer

boost::asio error for UDP async_receive

I'm having a problem with a weird error from boost::asio. I am implementing half of a TFTP server (server->client only). I get the first RRQ packet on port 69 on the first socket and then create another socket to carry out the DATA,ACK exchange. I…
1
vote
1 answer

tftp retry timeout exceeded

My issue is retry count exceeds when I download kernel image to Econa processor board (Econa is ARM based processor) via TFTP as shown below CNS3000 # tftp 0x4000000 bootpImage.cns3420.uclibc MAC PORT 0 : Initialize bcm53115M MAC PORT 2 :…
Waqas
  • 191
  • 3
  • 4
  • 13
1
vote
1 answer

Can't Send File using TFTPClient (Apache Commons Net library)

I am trying to create TFTPClient using Apache Commons Net to put file on Server (AIX OS) and TFTP service is running on that Server, there isn't any exception raised while running the below code and it seems that everything is ok, but the file…
Javaeg
  • 11
  • 3
1
vote
2 answers

Calling tftp get command from c source code

I'm calling system command system("tftp -m binary 192.168.1.1 -c get myfile > /dev/null") ; it works fine when tftp server is running but it makes my c program crashed when tftp server is off. Is there a way to check whether the server is…
roll
  • 125
  • 13
0
votes
2 answers

Start tftpd from shell (as standalone)

I would like to configure and start tftpd from linux shell. If I call: tftpd -l -a 127.0.0.0:69 ... I get always: tftpd: stdin is not a socket: Socket operation on non-socket there are no tftp settings in my /etc/services.
Bartlomiej Grzeskowiak
  • 1,009
  • 5
  • 16
  • 35
0
votes
1 answer

Access Object send over self-made TFTP in python

I'm trying to create a TFTP in python over a existing UDP i have. In my server.py. As of now I'm able to send requests to read (RRQ) and write (WRQ) to the server. However, then a Packet object (Created object to be sent over to the server) reaches…
amankapur91
  • 484
  • 4
  • 15
0
votes
1 answer

Using TFTP in Android, Works fine out of android, Hangs on sendFile in android

It all compiles fine and works like a charm, However when i set it up in Android it still compiles fine but when gets to tftp.sendFile it just sits there. I've checked the packets with Wireshark and nothing is being…
0
votes
0 answers

What is the timeout duration for acknowledge packets to arrive?

I'm trying to implement Trivial File Transfer Protocol (RFC 1350) in C++. After sending a request, how long should I wait for an acknowledge to arrive? Is there a standard for it?
Caglayan DOKME
  • 948
  • 8
  • 21
0
votes
0 answers

Adding tftp sections using virsh net-update

Is it possible to add a tftp section into the virtual network configuration using virsh net-update? For example, it is possible to add a host IP (Reserve an IP for a specific guest) using: virsh net-update mynet add ip-dhcp-host \ "
weshouman
  • 632
  • 9
  • 17