TFTP Connect Request Failed
TFTP protocol with options negotiation
What are included in “Illegal TFTP Operations”?
How to delete files from a tftp server periodically?
Tftp transfer timeout on fedora in virtual box
Is there a standard timeout value for TFTP?
tftp retry timeout exceeded
TFTP server on Linux
tftp PUT fail with TFTPD32 (atftp, and tftp works)