Transparent proxy/nat server using DHCP.

2004-04-18 Thread Jesper Wallin 
Heya..

My ISP allow me to have 5 dynamic ip addresses. Yet, it's locked to the MAC address (i
think) .. currently my network look like this:

[ Internet ][ 16-ports Unex Switch ][ my network ]

..and in the local network, I have 3 servers and my two workstations. My idea was to 
put
one server infront of all other computers, like:

[ Internet ][ FreeBSD ][ 16-ports Unex Switch ][ my networks ]

..and have the FreeBSD server holding all 5 ips from my ISP and then NAT/Forward it to
the rest of the network.. like a transparent firewall/logging server. Like having 3 of
the ips going to my 3 servers.. and have another IP for NAT:ing the two workstaions
which uses a local IP range.. or something.

My porblem is to get the FreeBSD server request 5 ips on the same NIC using the DHCP
protocol. Is it even possible?


Regards,
Jesper 'Z3l3zT' Wallin






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RE: Transparent proxy/nat server using DHCP.

2004-04-18 Thread Nick 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:owner-freebsd-
 [EMAIL PROTECTED] On Behalf Of Jesper Wallin
 Sent: Sunday, April 18, 2004 7:02 AM
 To: [EMAIL PROTECTED]
 Subject: Transparent proxy/nat server using DHCP.
 
 Heya..
 
 My ISP allow me to have 5 dynamic ip addresses. Yet, it's locked to the
 MAC address (i
 think) .. currently my network look like this:
 
 [ Internet ][ 16-ports Unex Switch ][ my network ]
 
 ..and in the local network, I have 3 servers and my two workstations. My
 idea was to put
 one server infront of all other computers, like:
 
 [ Internet ][ FreeBSD ][ 16-ports Unex Switch ][ my networks ]
 
 ..and have the FreeBSD server holding all 5 ips from my ISP and then
 NAT/Forward it to
 the rest of the network.. like a transparent firewall/logging server. Like
 having 3 of
 the ips going to my 3 servers.. and have another IP for NAT:ing the two
 workstaions
 which uses a local IP range.. or something.
 
 My porblem is to get the FreeBSD server request 5 ips on the same NIC
 using the DHCP
 protocol. Is it even possible?
 
 
 Regards,
 Jesper 'Z3l3zT' Wallin
 
 

You could always set up the FreeBSD computer as filtering bridge
http://www.freebsd.org/doc/en_US.ISO8859-1/articles/filtering-bridges/index.
html


Nick Radonicich
[EMAIL PROTECTED]


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