shorewall-users March 2012 archive
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shorewall-users: [Shorewall-users] shorewall and ISP DHCP server

[Shorewall-users] shorewall and ISP DHCP server

From: Scott Ruckh <sruckh_at_nospam>
Date: Fri Mar 09 2012 - 15:36:27 GMT
To: shorewall-users@lists.sourceforge.net

I have an issue that may or may not be shorewall related but I would like another opinion.

My interface connected to the internet is eth2. The IP for this interface is dynamically assigned by my ISP. My current IP on this interface belongs to the 68.106.224.0/19 network. When I look at
the IP address of the DHCP server that assigned eth2's IP I see 172.19.73.31 .

What I am wondering is if shorewall is going to block subsequent DHCP renewals attempts because the 172.19.73.31 is non-routable (public) through the interface connected to the internet.

I am basically seeing these types of errors in the logs:

Mar 8 18:11:05 firewall dhclient: DHCPREQUEST on eth2 to 172.19.73.31 port 67 (xid=0x58ce2d0)
Mar 8 18:11:05 firewall dhclient: send_packet: Network is unreachable
Mar 8 18:11:06 firewall dhclient: send_packet: please consult README file regarding broadcast address.

I am attaching a shorewall dump in case it is helpful.

Thank You.

Scott

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