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Re: [FW-1] Accessing Servers via Public IPs from Private Network
- To: [email protected]
- Subject: Re: [FW-1] Accessing Servers via Public IPs from Private Network
- From: Hal Dorsman <[email protected]>
- Date: Wed, 17 Oct 2001 12:13:06 -0600
- Reply-to: Mailing list for discussion of Firewall-1 <[email protected]>
- Sender: Mailing list for discussion of Firewall-1 <[email protected]>
- Thread-index: AcFXNfojGqIuTDypSV+tRQzMS6Q+6gAAQbxA
- Thread-topic: [FW-1] Accessing Servers via Public IPs from Private Network
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Wednesday, October 17, 2001 11:30 AM
> To: [email protected]
> Subject: [FW-1] Accessing Servers via Public IPs from Private Network
>
>
> My question is, can the workstations within the
> private network also access the same server via the
> public IP?
>
No. Default routing would determine the destination IP
to be on a different network, so would forward packets
to the default gateway (firewall). The firewall would
then need to route the packet back to the same interface
which FW1 does not seem to be able to do (at least I have
never figured out a way to get it to work). The easiest
workaround is to use local host name resolution (/etc/hosts,
lmhosts) for local server access.
Hal
> I cannot seem to access the server using the public IP
> from a workstation within the same network. If I use
> the private IP (192.168.1.11) of the server everything
> works fine.
>
> Is there a way to configure Checkpoint to allow that
> or am I forced to setup a DNS server within the
> private network and distribute the private IP when
> accessing www.test.com?
>
> Thanks.
> X
>
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