On Jan 25, 2008 9:37 AM, Tolun ARDAHANLI <tolun.ardahanli@xxxxxxxxxxxx> wrote:
> Thank you for all really I solved the forward/ip sharing problem...
>
> But I see there is other problem with that like this;
>
> This is my network structure now;
> LAN(there are 3machines):
> start ip:192.168.1.10
> end ip: 192.168.1.12
> gateway address of users: 192.168.1.100 (my server's LAN side ip address)
> LAN side Server ip: 192.168.1.100
>
>
> WAN(this ip comes from behind of swicth. the switch is behind of firewall
> and firewall is behind of router):
> WAN side Server ip: 192.168.10.13
> gateway address of Server:192.168.10.1
>
> And here is the problem i thing;
> The users from inside(LAN) can reach from server's WAN side
> ip(192.168.10.13) and they can ping it and they can take a services which is
> for LAN services(like ssh...etc).
>
> I agree that pinging from LAN to gateway address(192.168.10.1). But I cant
> agree that pinging to server's WAN address(192.168.10.13). Do I thing wrong
> at this point? and last question is about how can I close/stop services for
> WAN side?
I dont understant!
WHO is (OR CANNOT) pinging 192.168.10.13 or can (OR CANNOT) access the
service ? LAN or WAN ?
>
> thanks to all of you...
>
> sincerely yours...
>
>
>
>
>
>
>
> 2008/1/24, Alain Spineux <aspineux@xxxxxxxxx>:
>
> > On Jan 24, 2008 5:42 AM, Alain Spineux <aspineux@xxxxxxxxx> wrote:
> > > On Jan 23, 2008 9:43 AM, Tolun ARDAHANLI <tolun.ardahanli@xxxxxxxxxxxx>
> wrote:
> > > > Hi again to everyone;
> > > >
> > > > Guys your mails are very nice... i liked all of them...
> > > >
> > > > let me give you about my system and my need(sorry for writing these
> late)...
> > > >
> > > > I've got an IBM x3650 server which is open 7d/24h. It has got 2
> ethernet
> > > > card. I would like to connect my LAN to WAN over this machine...
> > > >
> > > > LAN(there are 3machines):
> > > > start ip:192.168.10.10
> > > > end ip: 192.168.10.12
> > > > gateway address of users:192.168.10.13(my server's LAN side ip
> address)
> > > > LAN side Server ip: 192.168.10.13
> > > >
> > > > WAN(this ip comes from behind of swicth. the switch is behind of
> firewall
> > > > and firewall is behind of router):
> > > > WAN side Server ip: 10.10.1.223
> > > > gateway address of Server:10.10.1.111
> > > >
> > > > this is my network chances...:( i cant change them cause our company
> has
> > > > strong rules for these addresses... I want to share my WAN side ip
> address
> > > > to my LAN side...
> > > >
> > > > How can I do that on my CENTos installed server?
> > > >
> > > > thanks a lot to everybody...
> > >
> > > The short way, supposing your wan is secure and your wan interface is
> eth1:
> > >
> > > Disable any firewall rules on your centos,
> > >
> > > service iptables stop
> > > chkconfig iptables off
> > >
> > > try these commands, and if this is working put them in your
> /etc/init.d/rc.local
> > >
> > > # enable forwarding of packet between all interfaces
> > > echo 1 > /proc/sys/net/ipv4/ip_forward
> > > # config masquerading, any packet leaving eth1 will be masqueraded,
> > > taking eth1 address for source address.
> > > iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
> >
> > Another interesting way, is to setup only routing on your centos, and
> > add (ask your network manager) the route
> > of your internal network (I guess 192.168.10.8/29 through
> > 192.168.10.13 ) on your firewall and maybe a similar one
> > on your router if the firewall is not doing NAT.
> > Then your firewall administrator can control the access to any of your
> > internal machines or make some of them reachable
> > from outside if for example you want to have a web server or an email
> > server (this is not a good idea, but you get the idea).
> > All of this without chnaging anything more on your centos router.
> >
> > To route packet only, without doing NAT (aka MASQUERADING or HIDE-NAT)
> > just use
> > echo 1 > /proc/sys/net/ipv4/ip_forward
> >
> > Regards
> > >
> > > Regards.
> > >
> > >
> > > >
> > > >
> > > >
> > > >
> > > > 2008/1/22, Dennis McLeod <dmcleod@xxxxxxxxxxxxxx >:
> > > >
> > > > > I have an IPcop box setup at work. Using squidguard to keep
> customers from
> > > > > surfing porn while they are in our waiting room. (On a completely
> separate
> > > > > DSL connection..)
> > > > >
> > > > > I have an Astaro Security Gateway setup at home (on a Dell p3
> precision
> > > > > 220). Free home license, do FAR more than your typical broadband
> router.
> > > > Not
> > > > > a small learning curve, though. Wireless is through a D-link
> DWL-7100(I
> > > > > think) access point in the attic.
> > > > > I have a Linksys wrt54g (original version) with openWRT, but it's
> just
> > > > there
> > > > > for backup.....
> > > > >
> > > > > Any of the above will accomplish your goal...
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > -----Original Message-----
> > > > > From: centos-bounces@xxxxxxxxxx [mailto: centos-bounces@xxxxxxxxxx]
> On
> > > > Behalf
> > > > > Of Alain Spineux
> > > > > Sent: Tuesday, January 22, 2008 6:52 AM
> > > > > To: CentOS mailing list
> > > > > Subject: Re: How can i share my WAN ip to my LAN?
> > > > >
> > > > > On Jan 22, 2008 3:17 PM, William L. Maltby <
> CentOS4Bill@xxxxxxxxxxxx>
> > > > wrote:
> > > > > > On Tue, 2008-01-22 at 14:49 +0100, Alain Spineux wrote:
> > > > > > > On Jan 22, 2008 8:46 AM, Tolun ARDAHANLI <
> > > > tolun.ardahanli@xxxxxxxxxxxx>
> > > > > wrote:
> > > > > > > > Hi everybody...
> > > > > > > >
> > > > > > > > How can I share my WAN ip to my LAN? How can I do that I
> really
> > > > > > > > dont know...:( I am using linux long time ago but this kind I
> > > > > > > > would like to do newly...
> > > > > > >
> > > > > > > Buy a small router/modem, ask your ISP for suggestions.
> > > > > > > This is cheap (<100$), no need to keep your computer always
> turned
> > > > > > > on, very easy to configure if you nead more features (port
> > > > > > > forwarding for skype, games, p2p, ....), have some builtint
> feature
> > > > > > > (dhcp, DNS proxy). Also think about wireless ......
> > > > > > > This is probably more secure, not because centos/linux is not,
> but
> > > > > > > because you dont know what you are doing.
> > > > > > >
> > > > > > > Of course this is less fun
> > > > > >
> > > > > > Well, I wasn't going to suggest, but since the topic of
> alternatives
> > > > > > is open...
> > > > >
> > > > > :-)
> > > > >
> > > > > Of course the main idea is to avoid to have a non firewall dedicated
> linux
> > > > > (like centos is) configured by someone without to much network
> knowledge
> > > > be
> > > > > in front of Internet.
> > > > >
> > > > > >
> > > > > > If you have an older available computer laying around, check out
> IPCop
> > > > > >
> > > > > > http://www.ipcop.org/
> > > > > >
> > > > > > free, has lots of features, runs reliably, I've been on it for
> years,
> > > > > > as have others on this list. Biggest gripe I have is docs could be
> a
> > > > > > little better - they tend to not get updated to stay up with the
> > > > software.
> > > > > >
> > > > > > >
> > > > > > > Regards.
> > > > > > >
> > > > > > > >
> > > > > > > > Can anybody help me about IP sharing in Centos?
> > > > > > > >
> > > > > > > > thanks alot...
> > > > > > > >
> > > > > > > >
> > > > > > > > --
> > > > > > > > Tolun ARDAHANLI
> > > > > > > > Bilgisayar Muhendisi
> > > > > > > > E-posta: tolun.ardahanli@xxxxxxxxxxxx
> > > > > > > > Icq:326600
> > > > > > > >
> > > > > > > >
> ------------------------------------------------------------------
> > > > > > > > ----------
> > > > > > > >
> > > > > > > > Tolun ARDAHANLI
> > > > > > > > Computer Engineer
> > > > > > > > E-mail:tolun.ardahanli@xxxxxxxxxxxx
> > > > > > > > Icq:326600
> > > > > > > ><snip sig stuff>
> > > > > >
> > > > > > HTH
> > > > > > --
> > > > > > Bill
> > > > > >
> > > > > >
> > > > > > _______________________________________________
> > > > > > CentOS mailing list
> > > > > > CentOS@xxxxxxxxxx
> > > > > > http://lists.centos.org/mailman/listinfo/centos
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Alain Spineux
> > > > > aspineux gmail com
> > > > > May the sources be with you
> > > > > _______________________________________________
> > > > > CentOS mailing list
> > > > > CentOS@xxxxxxxxxx
> > > > > http://lists.centos.org/mailman/listinfo/centos
> > > > >
> > > > > _______________________________________________
> > > > > CentOS mailing list
> > > > > CentOS@xxxxxxxxxx
> > > > > http://lists.centos.org/mailman/listinfo/centos
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > >
> > > >
> > > > Tolun ARDAHANLI
> > > > Bilgisayar Muhendisi
> > > > E-posta:tolun.ardahanli@xxxxxxxxxxxx
> > > > Icq:326600
> > > >
> > > >
> ----------------------------------------------------------------------------
> > > >
> > > > Tolun ARDAHANLI
> > > > Computer Engineer
> > > > E-mail:tolun.ardahanli@xxxxxxxxxxxx
> > > > Icq:326600
> > > > _______________________________________________
> > > > CentOS mailing list
> > > > CentOS@xxxxxxxxxx
> > > > http://lists.centos.org/mailman/listinfo/centos
> > > >
> > > >
> > >
> > >
> > >
> > > --
> > > Alain Spineux
> > > aspineux gmail com
> > > May the sources be with you
> > >
> >
> >
> >
> > --
> > Alain Spineux
> > aspineux gmail com
> > May the sources be with you
> > _______________________________________________
> > CentOS mailing list
> > CentOS@xxxxxxxxxx
> > http://lists.centos.org/mailman/listinfo/centos
> >
>
>
>
>
> --
> Tolun ARDAHANLI
> Bilgisayar Muhendisi
> E-posta:tolun.ardahanli@xxxxxxxxxxxx
> Icq:326600
>
> ----------------------------------------------------------------------------
>
> Tolun ARDAHANLI
> Computer Engineer
> E-mail:tolun.ardahanli@xxxxxxxxxxxx
> Icq:326600
> _______________________________________________
> CentOS mailing list
> CentOS@xxxxxxxxxx
> http://lists.centos.org/mailman/listinfo/centos
>
>
--
Alain Spineux
aspineux gmail com
May the sources be with you
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