hola a todos, todo funcionada bien, y de un momento a otro dejo de funciona el FTP, este error es que me sale:
220 servidor1 FTP server (Version 5.60) ready. 
334 Using authentication type GSSAPI; ADAT must follow 
GSSAPI accepted as authentication type 
GSSAPI error major: Miscellaneous failure 
GSSAPI error minor: No credentials cache found 
GSSAPI error: initializing context 
GSSAPI authentication failed 
334 Using authentication type KERBEROS_V4; ADAT must follow 
KERBEROS_V4 accepted as authentication type 
Kerberos V4 krb_mk_req failed: You have no tickets cached 
Name (150.100.1.200:servidor2): usuario1 
530 Must perform authentication before identifying USER. 
Login failed. 
Remote system type is UNIX. 
Using binary mode to transfer files. 
ftp> 
tengo un equipo con Red Hat Enterprise Linux AS Release 4 Kernel 2.6.9-22 on an i686.
¿que debo hacer para poder accedet mediante el FTP ?  
 
 gracias