Handing out Public IPs

Hi,

I'm trying to hand out public IPs to the clients but somehow I cannot get it
to work (I'm new to networking in general).

Running ifconfig on the server results in the following:

eth0      Link encap:Ethernet  HWaddr 40:40:46:ff:6e:2d
          inet addr:x73.x03.119.137  Bcast:x173.x03.119.255
Mask:255.255.255.0
          inet6 addr: fe80::4240:46ff:feff:6e2d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1558864 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1203789 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:925299168 (882.4 MiB)  TX bytes:893886411 (852.4 MiB)

eth0:1    Link encap:Ethernet  HWaddr 40:40:46:ff:6e:2d
          inet addr:x73.x03.119.166  Bcast:x173.x03.119.255
Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

eth0:2    Link encap:Ethernet  HWaddr 40:40:46:ff:6e:2d
          inet addr:x73.x03.119.167  Bcast:x173.x03.119.255
Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

eth0:3    Link encap:Ethernet  HWaddr 40:40:46:ff:6e:2d
          inet addr:x73.x03.119.169  Bcast:x173.x03.119.255
Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

eth1      Link encap:Ethernet  HWaddr 40:40:9c:ee:87:51
          inet addr:10.179.55.200  Bcast:10.179.63.255  Mask:255.255.224.0
          inet6 addr: fe80::4240:9cff:feee:8751/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:230 (230.0 B)  TX bytes:510 (510.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

I'm using the default pptp-config with:

localip x73.x03.119.137
remoteip x73.x03.119.166-167

at the end.

I tried the following iptables rules:

iptables -A INPUT -i eth0 -p tcp --dport 1723 -j ACCEPT;
iptables -A INPUT -i eth0 -p gre -j ACCEPT;
iptables -A FORWARD -i ppp+ -o eth0 -j ACCEPT;
iptables -A FORWARD -i eth0 -o ppp+ -j ACCEPT;
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE;

I also enabled forwarding.

I manage to connect to the server, but that's about it. I cannot do anything
else (I can ping the server though). My end goal is to allow clients to
connect to the server (which hands out public IPs) and allow them to connect
to the internet. Anybody else had the same problem? Any help is highly
appreciated!

Evan

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