Mailinglist Archive: opensuse (2269 mails)
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[SLE] Masquerading
- From: ncfcrh@xxxxxxxxxxxx (Grant Walton)
- Date: Wed, 18 Oct 2000 08:27:35 +0200
- Message-id: <000e01c038cc$81552a60$0100a8c0@xxxxxxxxxxxxxxx>
Hi
I have successfully set up a Linux box to masquerade our internal network to
the internet via ISDN. Spurred on by this success, I would now like to
help a friend do a similar thing with his network, the difference being
that his network will be connected to another network in the same building
in order to share their leased line access. As I understand it, this
requires a machine with two network cards, one connected to his setup, and
the other connected to the hub of the second network. Am I correct in
assuming that the procedures for getting this to work are much the same as I
have gone through with my own masquerading setup?
i.e. 1. I should use IPchains via SuSE firewals to set up
masquerading;
2. The network card which points to his internal network should
be assigned its own address;
3. Now the problem : should the second card which points to the
network using the leased line have an address on that
internal network or the IP address assigned by the ISP for the leased line?
4. Also, how does one setup an effective firewall that will be
sufficient to protect my friend's network?
5. What kind of machine (specifications) will be needed to
achieve all of the above if all it does is route traffic
between the two networks?
Thanks for your help - I hope I have stated my questions clearly enough!
Grant R Walton
---
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<DIV><FONT face=Arial size=2>Hi</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>I have successfully set up a Linux box to
masquerade our internal network tothe internet via ISDN. Spurred on by
this success, I would now like tohelp a friend do a similar thing with
his network, the difference beingthat his network will be connected to
another network in the same buildingin order to share their leased line
access. As I understand it, thisrequires a machine with two
network cards, one connected to his setup, andthe other
connected to the hub of the second network. Am I correct inassuming
that the procedures for getting this to work are much the same as Ihave gone
through with my own masquerading setup?</FONT></DIV>
<DIV><FONT face=Arial size=2>i.e.
1. I should use IPchains via SuSE firewals to set
upmasquerading;<BR>
2. The network card which points to his internal network
shouldbe assigned its own
address;
3. Now the problem : should the second card which points to
thenetwork using the leased line have an address
on
thatinternal network or the IP address assigned by the ISP for the leased
line?
4. Also, how does one setup an effective firewall that
will beufficient to protect my friend's
network?
5. What kind of machine (specifications) will be needed
toachieve all of the above if all it does is route traffic<BR>between the
two networks?<BR>Thanks for your help - I hope I have stated my questions
clearly enough!</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Grant R Walton<BR></FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>---<BR>Outgoing mail is certified Virus
Free.Checked by AVG anti-virus system (<A
href="http://www.grisoft.com";>http://www.grisoft.com</A>).Version: 6.0.198 /
Virus Database: 95 - Release Date: 00/10/04</DIV></FONT></BODY>
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