At server (10.5.1.253)

root@fileserver:/etc# cat inetd.conf
tftp            dgram   udp     wait    nobody /usr/sbin/tcpd /usr/sbin/in.tftpd --tftpd-timeout 300 --retry-timeout 5     --mcast-port 1758 --mcast-addr 239.239.239.0-255 --mcast-ttl 1 --maxthread 100 --verbose=5  /tftpboot

root@fileserver:/etc# netstat -nap | grep 69
udp        0      0 0.0.0.0:69              0.0.0.0:*                          4194/inetd

root@fileserver:/etc# cat /etc/hosts.allow
bootpd:     0.0.0.0
in.tftpd:   10.5.1.0/24
portmap:    10.5.1.0/24


At client (10.5.1.248)

C:\Dokumente und Einstellungen\Bastian>tftp -i 10.5.1.253 GET /lts/vmlinuz-2.6.17.3-ltsp-1
Timed out

Iptables are all clean (all tables/chains)

Don't know where the failure is ...