If loc can access wan this is because you have a default route (0.0.0.0/0)
from loc clients to loc interface and from firewall to wan-router (normally
provided by your isp)
If loc can access dmz this is either because dmz clients have a static route
back to loc or a default route to firewalls dmz interface (since loc has a
default route there is no need to describe the way to the dmz but a need to
explain your dmz to return, this can be done by static or default route)
If dmz has default route to firewalls dmz interface than routing is fine. In
this case I guess rules or policy is wrong.
In internal can access public ip (what do you mean? Public wan oder publc
dmz?) this say nothing about why dmz is not working.
_____
Von: Wilson Kwok [mailto:[email protected]]
Gesendet: Dienstag, 2. Februar 2010 12:19
An: Shorewall Users
Betreff: Re: [Shorewall-users] Suddenly DMZ can't access to internet
That's odd, internal can access one of public IP ....
--- 2010年2月2日 星期二，Michael Weickel - iQom Business Services GmbH
<[email protected]> ��道�s
寄件人: Michael Weickel - iQom Business Services GmbH <[email protected]>
主�}: Re: [Shorewall-users] Suddenly DMZ can't access to internet
收件人: "'Shorewall Users'" <[email protected]>
日期: 2010年2月2日,星期二,下午5:50
Either you maybe do only have a static route between dmz clients and loc but
no default route or maybe something is wrong with your rules or policies.
Does your policy file logs all all drop and net all drop? If yes, what do
you see in your messages?
Cheers
Mike
_____
Von: Wilson Kwok [mailto:[email protected]]
Gesendet: Dienstag, 2. Februar 2010 10:45
An: [email protected]
Betreff: [Shorewall-users] Suddenly DMZ can't access to internet
Hello
We are using old version ( shorewall-3.0.7-1) with Centos 5.3
The shorewall has three zones (net / loc / dmz).
Loc can access to internet with no problem and can access to DMZ.
DMZ can't access to internet.
Net can't access to DMZ with NAT.
I tried to restart the machine / check Lan card / check cable , they were
work find.
Is it DMZ Lan card problem? but it can start at Centos ...
Thanks !!
_____
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