- Thank you, achaldhir! This TFTP server was very helpful to me. Use case: I needed to copy lots of important files from a Linux device (industrial automation controller) to my PC. The device only had a TFTP client, so I had to install a TFTP server on the PC and your project was the best I could find! Only ~150 KB size - as an old SW engineer I think that's the size programs should be, not the megabytes they are nowadays.
- All right, very easy to start to use.
- ดีอีหลี
- Great TFTP and easy to use. Downloaded an executable to Microchip target using their Internet bootloader demo app. This was so much easier than Solarwinds server, that is the service, but left question as to how to talk to anything.
I have one question:
Solved: I've looked online all over, and I can't seem to find a reliable source for 3cdaemon. I downloaded one, and then when the install routine had a splash screen that was split down the middle with half on one side and half on the other, I. 3cdaemon free download - MP3 Juice - Free MP3 Downloader, TubeMate 3, TubeMate, and many more programs DA: 12 PA: 69 MOZ Rank: 67 3cdaemon for Windows - download.cnet.com.
This 3Com Daemon a very popular and useful application. It contains a FTP, TFTP and Syslog server but also a TFTP client.Its simple interface allows you to switch between FTP, TFTP server or client with the click of a button.
When I use Win7 as FTP server, 3CDaemon server software is running the Win7 PC.
Use a client PC to ftp the ftp server, there are two different results for window scale:
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1. First case:
The SYN|ACK packet has no window scale option.
![Download Download](/uploads/1/2/5/0/125065650/279756617.gif)
After several packets:
FTP client sent out a packet with Zero window size and with sequence = Last sequence + MAX window size among the last FTP traffic from server to client +1 ;
Win7 FTP server send out a duplicate ACK packet because it thinks the last packet is out of sequence.
This behaviour is expectation, and same as Linux or other Window platform, for example window XP.
2. Last case:
The SYN|ACK packet has window scale option which is 8, that means the wsf = 256.
After several packets:
FTP client sent out a packet with zero window size and with sequence = Last sequence + (MAX window size among the last FTP traffic from server to client << window scale) +1 ;
For example, the max window size is 256 in the last packets except SYN and SYN|ACK. then the new sequence = last sequence + 256<<8 + 1;
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Win7 FTP server has no any response.
After several tests, under my test environment, the new sequence = last sequence + 256<<8 +1 +165, Win7 FTP server has response. If the new sequence = last sequence + 256<<8 +1 + 164, Win7 FTP server has no response. 165 is the least value for FTP server response. If the value is larger than 165, Win7 FTP server can respond.
![3cdaemon ftp server 3cdaemon ftp server](https://img.pconline.com.cn/images/upload/upc/tx/pcdlc/1610/01/c6/27793394_1475321541369.gif)
This behaviour is different with last case, it is not standard.
3com Tftp Server Download Windows 7
Could you help me to explain the reason?
Regards