Tuesday, December 2, 2003, 11:18:29 PM, you wrote: >> iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to-source >> XXX.XXX.XXX.XXX >> with an error "iptables: Invalid argument" I suspect, that an argument >> is XXX.XXX.XXX.XXX RS> Did you compile and load the module iptable_nat ? RS> Gr, RS> Rob Thank you for your answers I compiled the kernel without modules yes, NAT is on this is my kernel .config # Networking options # CONFIG_PACKET=y CONFIG_PACKET_MMAP=y # CONFIG_NETLINK_DEV is not set CONFIG_NETFILTER=y CONFIG_NETFILTER_DEBUG=y CONFIG_FILTER=y CONFIG_UNIX=y # CONFIG_NET_KEY is not set 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=y CONFIG_IP_ROUTE_MULTIPATH=y CONFIG_IP_ROUTE_TOS=y CONFIG_IP_ROUTE_VERBOSE=y CONFIG_IP_PNP=y # CONFIG_IP_PNP_DHCP is not set # CONFIG_IP_PNP_BOOTP is not set # CONFIG_IP_PNP_RARP is not set CONFIG_NET_IPIP=y CONFIG_NET_IPGRE=y CONFIG_NET_IPGRE_BROADCAST=y CONFIG_IP_MROUTE=y CONFIG_IP_PIMSM_V1=y CONFIG_IP_PIMSM_V2=y CONFIG_ARPD=y CONFIG_INET_ECN=y # CONFIG_SYN_COOKIES is not set # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # # IP: Netfilter Configuration # CONFIG_IP_NF_CONNTRACK=y CONFIG_IP_NF_FTP=y # CONFIG_IP_NF_AMANDA is not set CONFIG_IP_NF_TFTP=y CONFIG_IP_NF_IRC=y CONFIG_IP_NF_CT_PROTO_GRE=y CONFIG_IP_NF_PPTP=y CONFIG_IP_NF_QUEUE=y CONFIG_IP_NF_IPTABLES=y CONFIG_IP_NF_MATCH_LIMIT=y CONFIG_IP_NF_MATCH_QUOTA=y CONFIG_IP_NF_MATCH_MAC=y # CONFIG_IP_NF_MATCH_PKTTYPE is not set CONFIG_IP_NF_MATCH_MARK=y CONFIG_IP_NF_MATCH_MULTIPORT=y CONFIG_IP_NF_MATCH_TOS=y CONFIG_IP_NF_MATCH_TIME=y CONFIG_IP_NF_MATCH_PSD=y # CONFIG_IP_NF_MATCH_NTH is not set # CONFIG_IP_NF_MATCH_RECENT is not set # CONFIG_IP_NF_MATCH_ECN is not set # CONFIG_IP_NF_MATCH_DSCP is not set CONFIG_IP_NF_MATCH_AH_ESP=y CONFIG_IP_NF_MATCH_LENGTH=y CONFIG_IP_NF_MATCH_TTL=y CONFIG_IP_NF_MATCH_TCPMSS=y CONFIG_IP_NF_MATCH_HELPER=y CONFIG_IP_NF_MATCH_STATE=y CONFIG_IP_NF_MATCH_CONNTRACK=y CONFIG_IP_NF_MATCH_UNCLEAN=y CONFIG_IP_NF_MATCH_OWNER=y CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y CONFIG_IP_NF_TARGET_MIRROR=y CONFIG_IP_NF_NAT=y CONFIG_IP_NF_NAT_NEEDED=y CONFIG_IP_NF_TARGET_MASQUERADE=y CONFIG_IP_NF_TARGET_REDIRECT=y CONFIG_IP_NF_NAT_PPTP=y CONFIG_IP_NF_NAT_PROTO_GRE=y # CONFIG_IP_NF_NAT_LOCAL is not set CONFIG_IP_NF_NAT_SNMP_BASIC=y CONFIG_IP_NF_NAT_IRC=y CONFIG_IP_NF_NAT_FTP=y CONFIG_IP_NF_NAT_TFTP=y CONFIG_IP_NF_MANGLE=y CONFIG_IP_NF_TARGET_TOS=y # CONFIG_IP_NF_TARGET_ECN is not set # CONFIG_IP_NF_TARGET_DSCP is not set CONFIG_IP_NF_TARGET_MARK=y CONFIG_IP_NF_TARGET_LOG=y CONFIG_IP_NF_TARGET_ULOG=y CONFIG_IP_NF_TARGET_TCPMSS=y CONFIG_IP_NF_ARPTABLES=y CONFIG_IP_NF_ARPFILTER=y CONFIG_IP_NF_ARP_MANGLE=y # CONFIG_IPV6 is not set CONFIG_XFRM=y # CONFIG_XFRM_USER is not set # CONFIG_KHTTPD is not set # CONFIG_ATM is not set # CONFIG_VLAN_8021Q is not set -- Best regards, Oleg mailto:savostyanov@xxxxxxxxxxxxxxxxxxxxx