Hola, estoy intentado aprender a configurar iptables y creo que por fin
he conseguido activar las opciones del kernel necesarias pa que
funcione. La he puesto como m�dulo y cuando ejecuto un 'iptables -L' pa
ver las reglas que tengo me da el siguiente mensaje:

/lib/modules/2.4.19/kernel/net/ipv4/netfilter/ip_tables.o: unresolved
symbol nf_unregister_sockopt
/lib/modules/2.4.19/kernel/net/ipv4/netfilter/ip_tables.o: unresolved
symbol nf_register_sockopt
/lib/modules/2.4.19/kernel/net/ipv4/netfilter/ip_tables.o: insmod
/lib/modules/2.4.19/kernel/net/ipv4/netfilter/ip_tables.o failed
/lib/modules/2.4.19/kernel/net/ipv4/netfilter/ip_tables.o: insmod
ip_tables failed
iptables v1.2.6a: can't initialize iptables table `filter': iptables
who? (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.

Parece ser que falla el m�dulo aunque no tengo ni idea de por qu�. La
versi�n del kernel, como veis es la 2.4.19. Puede ser que a�n me falte
alguna opci�n del kernel por activar?? Tengo activadas las siguientes:

# 
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
# CONFIG_NETLINK_DEV is not set
CONFIG_NETFILTER=y
CONFIG_NETFILTER_DEBUG=y
CONFIG_FILTER=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_FWMARK=y
# CONFIG_IP_ROUTE_NAT is not set
# CONFIG_IP_ROUTE_MULTIPATH is not set
# CONFIG_IP_ROUTE_TOS is not set
# CONFIG_IP_ROUTE_VERBOSE is not set
CONFIG_IP_ROUTE_LARGE_TABLES=y
# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
CONFIG_IP_MROUTE=y
# CONFIG_IP_PIMSM_V1 is not set
# CONFIG_IP_PIMSM_V2 is not set
# CONFIG_INET_ECN is not set
# CONFIG_SYN_COOKIES is not set

#
#   IP: Netfilter Configuration
#
# CONFIG_IP_NF_CONNTRACK is not set
CONFIG_IP_NF_IPTABLES=m
# CONFIG_IP_NF_MATCH_LIMIT is not set
# CONFIG_IP_NF_MATCH_MAC is not set
CONFIG_IP_NF_MATCH_MARK=m
# CONFIG_IP_NF_MATCH_MULTIPORT is not set
# CONFIG_IP_NF_MATCH_TOS is not set
# CONFIG_IP_NF_MATCH_AH_ESP is not set
# CONFIG_IP_NF_MATCH_LENGTH is not set
# CONFIG_IP_NF_MATCH_TTL is not set
# CONFIG_IP_NF_MATCH_TCPMSS is not set
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m   
# CONFIG_IP_NF_MANGLE is not set
# CONFIG_IP_NF_TARGET_LOG is not set
# CONFIG_IP_NF_TARGET_ULOG is not set
# CONFIG_IP_NF_TARGET_TCPMSS is not set
# CONFIG_IP_NF_ARPTABLES is not set
# CONFIG_IP_NF_COMPAT_IPCHAINS is not set
# CONFIG_IP_NF_COMPAT_IPFWADM is not set
# CONFIG_VLAN_8021Q is not set

Alguien puede echarme una mano?? Os lo agradecer�a mucho.

Salu2.




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