On 03/12/15 23:28, Tom Eastep wrote:
> On 12/3/2015 1:46 PM, Tom Eastep wrote:
>> On 12/3/2015 12:43 PM, Laurie Brown wrote:
>>> On 03/12/15 18:19, Tom Eastep wrote:
>>>
>>> [SNIP]
>>>
>>>> Please remove /var/lib/shorewall/eth3.status again then execute the
>>>> following:
>>>>
>>>> sh -x /var/lib/shorewall/firewall enable eth3 > trace 2>&1
>>>>
>>>> and send me the 'trace' file.
>>>>
>>>> Thanks,
>>>> -Tom
>>>
>>> Hi Tom,
>>>
>>> Here you go:
>>
>> It appears that Shorewall is unable to detect the default gateway out of
>> eth3 and you haven't installed a findgw script. Without seeing your
>> providers file and the compiled script, I can't say why you aren't
>> seeing an error message to that effect. I configured a DHCP-serviced
>> provider on Ubuntu 14.04 LTS and I received such an error:
>>
>> ERROR: Unable to detect the gateway through interface eth0: Firewall
>> state not changed
>>
>> My providers entry for the interface was:
>>
>> cable 1 1 - eth0 detect balance
>>
>> The problem should be cured by creating a findgw script with these contents:
>>
>> if [ -f /var/lib/dhcp/dhclient.${1}.leases ]; then
>> grep 'option routers' /var/lib/dhcp/dhclient.${1}.leases | tail -n1
>> | while read j1 j2 gateway; do echo $gateway | sed 's/;//'; return 0; done
>> fi
>>
>> Note that my mailer has folded the second line into three lines.
>
> While I was composing the message, it looked like three lines; but I see
> it is only two. The second line ends with 'done'.
>
> More clearly:
>
> if [ -f /var/lib/dhcp/dhclient.${1}.leases ]; then
> grep 'option routers' /var/lib/dhcp/dhclient.${1}.leases | \
> tail -n 1 | \
> while read j1 j2 gateway; do
> echo $gateway | sed 's/;//'
> return 0
> done
> fi
>
> -Tom
Hi Tom,
I do have findgw in my /etc/shorewall directory, and it was copied from
here: http://www.shorewall.net/pub/shorewall/contrib/findgw/Lenny
I had to amend it slightly, removing the 3 from dhcp3 as you have done.
I've commented the original out and substituted yours (which is slightly
different), and it has made no difference.
If I run the snippet with eth3 specified it does return the correct gateway.
Here is my providers file:
---- cut here ----
#
# Shorewall version 4 - Providers File
#
# For information about entries in this file, type "man shorewall-providers"
#
# For additional information, see http://shorewall.net/MultiISP.html
#
##################################################################################################################
#NAME NUMBER MARK DUPLICATE INTERFACE GATEWAY
OPTIONS COPY
ECLI 1 0x10000 - ECL_IF -
loose,track,balance=1 -
VIRG 2 0x20000 - VIR_IF detect
loose,track,balance=10 -
---- cut here ----
I have substituted eth3 for VIR_IF to no avail. Even if I hard-code the
actual gateway in the providers file, it still won't start...
My eth3.leases file:
---- cut here ----
# cat /var/lib/dhcp/dhclient.eth3.leases
lease {
interface "eth3";
fixed-address 82.9.127.74;
option subnet-mask 255.255.252.0;
option routers 82.9.124.1;
option dhcp-lease-time 454295;
option dhcp-message-type 5;
option domain-name-servers 194.168.4.100,194.168.8.100;
option dhcp-server-identifier 62.253.131.74;
option interface-mtu 1500;
option broadcast-address 255.255.255.255;
option host-name "fw1";
option domain-name "cable.virginmedia.net";
renew 0 2015/12/06 22:27:02;
rebind 3 2015/12/09 00:12:13;
expire 3 2015/12/09 15:58:40;
}
---- cut here ----
Thanks for your help so far.
Cheers, Laurie.
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