I've ppp0 --> eth1 and eth0 (internal lan). I need forwarding externel 10022 port to port 8999 of the server 192.168.1.254iptables -t nat -A PREROUTING -p tcp -i ppp0 --dport 10022 -j DNAT --to 192.168.1.254:8999iptables -A FORWARD -p tcp -d 192.168.1.254 --dport 10022 -j ACCEPTI also have:cat /proc/sys/net/ipv4/conf/ppp0/forwarding 1connection time-out... any idea?iptables -L -nvChain INPUT (policy DROP 14 packets, 1609 bytes) pkts bytes target     prot opt in     out     source               destination             0     0 ACCEPT     all  --  lo     *       0.0.0.0/0            0.0.0.0/0               0     0 DROP       all  -f  *      *       0.0.0.0/0            0.0.0.0/0               0     0 DROP       all  --  *      *       0.0.0.0/0            0.0.0.0/0           state INVALID  2037  136K ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           state RELATED,ESTABLISHED     0     0 ACCEPT     icmp --  ppp0   *       0.0.0.0/0            0.0.0.0/0               0     0 ACCEPT     icmp --  eth0   *       0.0.0.0/0            0.0.0.0/0               0     0 ACCEPT     icmp --  tap0   *       0.0.0.0/0            0.0.0.0/0              14  1609 LOG        all  --  *      *       0.0.0.0/0            0.0.0.0/0           LOG flags 0 level 4 Chain FORWARD (policy DROP 0 packets, 0 bytes) pkts bytes target     prot opt in     out     source               destination             0     0 TCPMSS     tcp  --  *      ppp2    0.0.0.0/0            0.0.0.0/0           tcp flags:0x06/0x02 tcpmss match 1400:1536 TCPMSS clamp to PMTU     0     0 TCPMSS     tcp  --  *      eth1    0.0.0.0/0            0.0.0.0/0           tcp flags:0x06/0x02 tcpmss match 1400:1536 TCPMSS clamp to PMTU     0     0 TCPMSS     tcp  --  *      eth0    0.0.0.0/0            0.0.0.0/0           tcp flags:0x06/0x02 tcpmss match 1400:1536 TCPMSS clamp to PMTU     0     0 TCPMSS     tcp  --  *      ppp0    0.0.0.0/0            0.0.0.0/0           tcp flags:0x06/0x02 tcpmss match 1400:1536 TCPMSS clamp to PMTU    16  2368 ACCEPT     all  --  *      *       0.0.0.0/0            192.168.1.0/24      state RELATED,ESTABLISHED     0     0 ACCEPT     all  --  *      *       192.168.1.0/24       0.0.0.0/0               0     0 LOG        all  --  *      *       0.0.0.0/0            0.0.0.0/0           LOG flags 0 level 4 Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes) pkts bytes target     prot opt in     out     source               destination             0     0 ACCEPT     all  --  *      lo      0.0.0.0/0            0.0.0.0/0               0     0 DROP       all  -f  *      *       0.0.0.0/0            0.0.0.0/0               0     0 DROP       all  --  *      *       0.0.0.0/0            0.0.0.0/0           state INVALID  3097 4268K ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0           state NEW,RELATED,ESTABLISHED 
port forwarding to internal lan server
linux;iptables