Centos as Gateway server.

[ruben23]

Hi to all....i would like to ask help about my centos gateway server...i setup a gateway server on my network to be able to share internet with my private network.....in my gateway server i already can browse to the internet but with the dhcp function i think its not working....my client PC can ping the local ip of my gateway server..please help how to proceed with this...thanks

[ruben23]

i follow the how to of Home Gateway Firewall With DHCP Server For Connection Sharing..i already review it for several times...still my client PC cant connect with the internet..

[ruben23]

hi anyone help........

[falko]

Is your client PC a Linux system? If so, please post the outputs of

ifconfig

and

route -nee

on that system.

[ruben23]

no...my client PC are Windows xp...my configuration is:

PC-1
IP add=192.168.2.5
Subnet mask-255.255.255.0
Gateway=192.168.2.1
Dns=( given by my ISP)

.....plus one to every IP to the next client PC.



Server Gateway

LOCAL ETHERNET
eth1= local ip ( 192.168.2.1)
submask= 255.255.255.0
Gateway=192.168.2.1

EXTERNAL ETHERNET
eth2= ISP static IP (x.x.x.x)
submask= 255.255.255.248
Gateway= x.x.x.x

thats my initial config...

[ruben23]

And my server Kernel Ip routing is:

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface MSS Window irtt
192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 0 0 0
0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 eth1 0 0 0

[marpada]

Did you enable the port_forwarding in the Centos server?

$ cat /proc/sys/net/ipv4/ip_forward

if is set to 0 (disabled) you have to enable it

# echo "1" > /proc/sys/net/ipv4/ip_forward

and edit to make the change permanent /etc/sysctl.conf

net.ipv4.ip_forward=1
________
Vapoizers
________
Black ass