08-27-2002
What ftp daemon are you running? Some of them try a reverse dns lookup to get the hostname. From the server can you do a nslookup on the ip address of the client? When the clients switched to dhcp did they wind up on a different subnet? Could you be running tcp wrappers or something like that on the server? Is there a firewall between the server and the client? This could be a firewall issue.
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