03-27-2004
ok, did it, here's a summary:
I set up snoop for port 69, and requested a file via tftp that was non-existant, tftp kept polling for the non-existant file, and the error message was generated by syslog that tftp protocol was not supported...
Then with the same snoop set-up, i created a test file, then requested it via tftp...it transfered fine, and the output of snoop looked identical...now the weird thing, so tftp works fine, but when i snoop port 69, and i am not explicitly requesting a file, there are no other requests for tftp transfers...even at the udp level, there may be some packets exchanged every minute or so, but nothing as far as tftp goes, and nothing matches up with the syslog besides my test requests ???
so i still have the tftp protocol not supported errors filling up my syslog, that seem to be generated by tftp requests for a non-existant file, but yet there are no tftp requests into the server...weird...
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TFTPD(8) System Manager's Manual TFTPD(8)
NAME
tftpd - DARPA Trivial File Transfer Protocol server
SYNOPSIS
tftpd [ directory ... ]
DESCRIPTION
Tftpd is a server which supports the DARPA Trivial File Transfer Protocol. The TFTP server operates at the port indicated in the ``tftp''
service description; see services(5). The server is normally started by inetd(8).
The use of tftp does not require an account or password on the remote system. Due to the lack of authentication information, tftpd will
allow only publicly readable files to be accessed. Files may be written only if they already exist and are publicly writable. Note that
this extends the concept of ``public'' to include all users on all hosts that can be reached through the network; this may not be appropri-
ate on all systems, and its implications should be considered before enabling tftp service. The server should have the user ID with the
lowest possible privilege.
Access to files may be restricted by invoking tftpd with a list of directories by including pathnames as server program arguments in
/etc/inetd.conf. In this case access is restricted to files whose names are prefixed by the one of the given directories.
SEE ALSO
tftp(1), inetd(8)
4.2 Berkeley Distribution June 24, 1990 TFTPD(8)