Package: atftpd
Version: 0.7.dfsg-9.1
Severity: normal

--- Please enter the report below this line. ---

After system upgrade from Lenny to Squeeze, atftpd stopped to send files to some clients. These clients use tftp from busybox (version BusyBox v1.8.2; embedded hardware). Other clients (tftp 0.17-18 from Squeeze) in the same subnet seem to work fine.
 Atftpd is run with:
/usr/sbin/atftpd --tftpd-timeout 300 --retry-timeout 5 --no-multicast --maxthread 100 --verbose=5 --daemon --bind-address 212.67.x.x --pidfile /atftpd_212.67.x.x.pid /opt/212.67.x.x

Dump of traffic:
2011-02-09 16:30:02.428049 172.18.x.x -> 212.67.x.x TFTP Read Request, File: device.cfg\000, Transfer type: octet\000 2011-02-09 16:30:02.432206 212.67.y.y -> 172.18.x.x UDP Source port: 39806 Destination port: 2048 2011-02-09 16:30:02.435420 172.18.x.x -> 212.67.x.x TFTP Acknowledgement, Block: 1 2011-02-09 16:30:02.435474 212.67.x.x -> 172.18.x.x ICMP Destination unreachable (Port unreachable) 2011-02-09 16:30:02.485345 172.18.x.x -> 212.67.x.x TFTP Acknowledgement, Block: 1 2011-02-09 16:30:02.485409 212.67.x.x -> 172.18.x.x ICMP Destination unreachable (Port unreachable) 2011-02-09 16:30:02.560398 172.18.x.x -> 212.67.x.x TFTP Acknowledgement, Block: 1 2011-02-09 16:30:02.560482 212.67.x.x -> 172.18.x.x ICMP Destination unreachable (Port unreachable) 2011-02-09 16:30:02.672413 172.18.x.x -> 212.67.x.x TFTP Acknowledgement, Block: 1 2011-02-09 16:30:02.672471 212.67.x.x -> 172.18.x.x ICMP Destination unreachable (Port unreachable) 2011-02-09 16:30:02.840339 172.18.x.x -> 212.67.x.x TFTP Acknowledgement, Block: 1

Interesting thing is 2011-02-09 16:30:02.432206 212.67.y.y -> 172.18.x.x UDP Source port: 39806 Destination port: 2048

212.67.y.y is other than 212.67.x.x, but still existing on this machine.

Returning to 0.7.dfsg-6 from Lenny on this upgraded system solved the problem, that's why I guess problem may be with atftpd.

--- System information. ---
Architecture: amd64
Kernel:       2.6.32-5-amd64

Debian Release: 6.0





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