Finalmente se ha solucionado. Para conseguir hacer una conexion por ftp detras del gw, las opciones finales del kernel son:
# Networking options # CONFIG_PACKET=y CONFIG_NETLINK=y # CONFIG_RTNETLINK is not set # CONFIG_NETLINK_DEV is not set CONFIG_FIREWALL=y CONFIG_FILTER=y CONFIG_UNIX=y CONFIG_INET=y # CONFIG_IP_MULTICAST is not set # CONFIG_IP_ADVANCED_ROUTER is not set # CONFIG_IP_PNP is not set CONFIG_IP_FIREWALL=y # CONFIG_IP_FIREWALL_NETLINK is not set CONFIG_IP_ALWAYS_DEFRAG=y CONFIG_IP_TRANSPARENT_PROXY=y CONFIG_IP_MASQUERADE=y # # Protocol-specific masquerading support will be built as modules. # CONFIG_IP_MASQUERADE_ICMP=y # # Protocol-specific masquerading support will be built as modules. # CONFIG_IP_MASQUERADE_ICMP=y # # Protocol-specific masquerading support will be built as modules. # CONFIG_IP_MASQUERADE_MOD=y Los pasos que me com�a despues del make bzlilo make modules make modules_install Reboot, y luego ejecutar: depmod -a #para las dependencias que se actualizen modprobe ip_masq_ftp Gracias, especialmente a Antonio Beamud Montero y Andres Herrera. :) -- [EMAIL PROTECTED] Registered Linux user number 161712. Type Bits/KeyID Date User ID pub 1024/6A2227ED 1999/06/25 [EMAIL PROTECTED] -----BEGIN PGP PUBLIC KEY BLOCK----- Version: 2.6.3ia mQCNAzdzjxIAAAEEALiNvP2egfT9Tv/Z4yDBlkEEDx0YM/5ki9/Kx43L304yi6UD +rgMZq094QagbdOO+mtSHf5CfmO3wtDXoVJIPRE3Y3Q6pWmM9sYPXfiGb/08WBAV mW1rO/2jQHdLThfwek8hWB2y/A7/258mxfETdXMaSRS5TWhundUcZLNqIiftAAUR tBxEUm9kcmlndWV6QGFib25hZG9zLmNwbHVzLmVziQCVAwUQN3OPEtUcZLNqIift AQGi0QP/cVT/Pg2HrOUnqWcyceVZ8xz8bE2TXsMGH+Au/Tixr9WLDs0VaqB1d0uz MQTM6KhWcbpSRmPpgEWxKELRSYAiO75cUjhBu5SpAPJmN0LVQENmD2NcbK2836y8 vXIR8e0L9UKo+lkMEeRlDwIbvwmYkD+XfCQbk9IC5MWFmaqNuwo= =XCUb -----END PGP PUBLIC KEY BLOCK-----
