[syslinux] tftpd: read(ack): Connection refused

[Kosolapov Dmitry]

I configure the system of remote boot. Almost all was done. But one 
simple problem. tftp doesn't download pxelinux.0 from boot-server, 
in.tftpd is running at.
Problem isn't in pxelinux.0, but in protocol itself. I've created test 
file "test" in /tftpboot and tried to download it but "Timeout occured".
 From /var/log/messages:
Mar 27 16:32:27 dk in.tftpd[26576]: RRQ from 80.92.161.1 filename test
Mar 27 16:32:27 dk in.tftpd[26576]: tftpd: read(ack): Connection refused

OS - Fedora Core 4, server in.tftpd (tftpd-hpa 0.40) runs over xinetd in 
verbose mode. /tftpboot has 777 writes. SELinux is turned off.
At the server (at localhost and 192.168.4.110) I can download files from 
/tftpboot, but from remote host not.
I've edited /etc/hosts.allow(deny), runned tftpd as daemon, from nobody, 
etc. Nothing changed.
Some extra information:
1. TFTP-client has IP 192.168.0.11 and gateway 192.168.0.125
2. TFTP-server has IP 192.168.4.110 and gateway 192.168.4.1