Internet Sharing from a mobile

[Benoit durand]

hello,

I want to share my internet connnexion since my internet access from my
mobile

my notebook ubuntu 9.10 is connected on internet.
eth0 : static 192.168.10.3
eth1 : dhcp : 192.168.0.103
# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:16:d4:48:b5:cf
          inet adr:192.168.10.3  Bcast:192.168.10.255  Masque:255.255.255.0
          adr inet6: fe80::216:d4ff:fe48:b5cf/64 Scope:Lien
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Packets reçus:327 erreurs:0 :0 overruns:0 frame:0
          TX packets:433 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000
          Octets reçus:47329 (47.3 KB) Octets transmis:49553 (49.5 KB)
          Interruption:16

eth1      Link encap:Ethernet  HWaddr 80:00:60:0f:e8:00
          inet adr:192.168.0.103  Bcast:192.168.0.255  Masque:255.255.255.0
          adr inet6: fe80::8200:60ff:fe0f:e800/64 Scope:Lien
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Packets reçus:252 erreurs:221 :0 overruns:0 frame:0
          TX packets:289 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000
          Octets reçus:128206 (128.2 KB) Octets transmis:131721 (131.7 KB)

I want to share my internet access with my server on ubuntu
ip server : eth0 192.168.10.1

On my notebook :
/etc/network/interfaces :

iface eth1 …
    …
    pre-up iptables-restore < /etc/iptables.up.rules


/etc/iptables.up.rules :

# /etc/network/iptables.up.rules
*filter

#########################
# Politiques par défaut #
#########################
-P INPUT DROP
-P FORWARD ACCEPT
-P OUTPUT ACCEPT

######################
# Règles de filtrage #
######################
-A INPUT -i lo -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -p igmp -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

-A INPUT -p tcp --dport ssh -j ACCEPT

#-A INPUT -p tcp --dports smtp -j ACCEPT
#-A INPUT -p tcp --dports smtps -j ACCEPT
#-A INPUT -p tcp --dports submission -j ACCEPT

#-A INPUT -p tcp --dport domain -j ACCEPT
#-A INPUT -p udp --dport domain -j ACCEPT

#-A INPUT -p tcp --dport http -j ACCEPT
#-A INPUT -p tcp --dport https -j ACCEPT

#-A INPUT -p tcp --dport ipp -j ACCEPT
#-A INPUT -p udp --dport ipp -j ACCEPT

-A INPUT -p tcp --dport netbios-ssn -j ACCEPT
-A INPUT -p udp --dport netbios-ssn -j ACCEPT

#-A INPUT -p udp --dport xdmcp -j ACCEPT
#-A INPUT -p tcp --dport x11-1 -j ACCEPT

#-A INPUT -p udp --dport 1234 -j ACCEPT

#-A INPUT -p udp -d 224.2.127.254 --dport 9875 -j ACCEPT

#-A INPUT -p tcp --dport 30000:33000 -j ACCEPT
#-A INPUT -p tcp --dport 1720 -j ACCEPT
#-A INPUT -p udp --dport 5000:5006 -j ACCEPT

#-A INPUT -p tcp --dport daap -j ACCEPT

-A INPUT -p udp -d 224.0.0.251 --dport mdns -j ACCEPT

-A INPUT -j LOG --log-prefix "paquet IPv4 inattendu "
-A INPUT -j REJECT

COMMIT
*nat

########################
# Partage de connexion #
########################
-A POSTROUTING -o eth1 -j MASQUERADE


########################
# Redirections de port #
########################
#-A PREROUTING -i eth0 -p tcp --dport 80 -j DNAT --to-destination 192.168.0.3:80

COMMIT
*mangle

COMMIT

/etc/sysctl.conf:

net.ipv4.conf.default.forwarding=1


# *iptables-restore < /etc/iptables.up.rules*

  $ sudo iptables -v -L
[sudo] password for benoit :
Chain INPUT (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source
destination
    0     0 ACCEPT     all  --  lo     any     anywhere
anywhere
    8   703 ACCEPT     icmp --  any    any     anywhere
anywhere
    0     0 ACCEPT     igmp --  any    any     anywhere
anywhere
  374  125K ACCEPT     all  --  any    any     anywhere
anywhere            state RELATED,ESTABLISHED
    0     0 ACCEPT     tcp  --  any    any     anywhere
anywhere            tcp dpt:ssh
    0     0 ACCEPT     tcp  --  any    any     anywhere
anywhere            tcp dpt:domain
    0     0 ACCEPT     udp  --  any    any     anywhere
anywhere            udp dpt:domain
    0     0 ACCEPT     tcp  --  any    any     anywhere
anywhere            tcp dpt:ipp
    0     0 ACCEPT     udp  --  any    any     anywhere
anywhere            udp dpt:ipp
    0     0 ACCEPT     tcp  --  any    any     anywhere
anywhere            tcp dpt:netbios-ssn
    0     0 ACCEPT     udp  --  any    any     anywhere
anywhere            udp dpt:netbios-ssn
   17  4697 ACCEPT     udp  --  any    any     anywhere
224.0.0.251         udp dpt:mdns
   98 58784 LOG        all  --  any    any     anywhere
anywhere            LOG level warning prefix `paquet IPv4 inattendu '
   98 58784 REJECT     all  --  any    any     anywhere
anywhere            reject-with icmp-port-unreachable

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source
destination

Chain OUTPUT (policy ACCEPT 555 packets, 288K bytes)
 pkts bytes target     prot opt in     out     source
destination


I have no connection to my server. where is my mistake?
thanks
Ben
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