On 08/19/2015 11:45 AM, Brian J. Murrell wrote:
> On Wed, 2015-08-19 at 11:08 -0700, Tom Eastep wrote:
>> Right -- and it isn't there when I compile this configuration:
>>
>> shorewall trace -vvv check -r . | less

> It is here when I do the same thing:
> 
> Checking /etc/shorewall/gw-BB/mangle...
> IN===> MARK(0x400):P    br-lan:!10.75.22.3,10.75.22.247 0.0.0.0/0       tcp   
>   80
>                 NF-(N)-> mangle:~excl0          
>                 NF-(!O4)-> mangle:~excl0        
>                 NF-(A)-> mangle:tcpre:4         -A tcpre -p 6 --dport 80 -i 
> br-lan -j ~excl0 
>                 NF-(A)-> mangle:~excl0:1        -A ~excl0 -s 10.75.22.3 -j 
> RETURN 
>                 NF-(A)-> mangle:~excl0:2        -A ~excl0 -s 10.75.22.247 -j 
> RETURN 
>                 NF-(A)-> mangle:~excl0:3        -A ~excl0 -j MARK --set-mark 
> 0x400 
>    Mangle Rule "MARK(0x400):P br-lan:!10.75.22.3,10.75.22.247 0.0.0.0/0 tcp 
> 80" 0
> IN===> MARK(0x400):P    br-guest:!10.75.22.3,10.75.22.247 0.0.0.0/0     tcp   
>   80
>                 NF-(N)-> mangle:~excl1          
>                 NF-(!O4)-> mangle:~excl1        
>                 NF-(A)-> mangle:tcpre:5         -A tcpre -p 6 --dport 80 -i 
> br-guest -j ~excl1 
>                 NF-(A)-> mangle:~excl1:1        -A ~excl1 -s 10.75.22.3 -j 
> RETURN 
>                 NF-(A)-> mangle:~excl1:2        -A ~excl1 -s 10.75.22.247 -j 
> RETURN 
>                 NF-(A)-> mangle:~excl1:3        -A ~excl1 -j MARK --set-mark 
> 0x400 
>    Mangle Rule "MARK(0x400):P br-guest:!10.75.22.3,10.75.22.247 0.0.0.0/0 tcp 
> 80" 0
> ...

Note that the first entry in mangle creates tcpre rule 4!! Do the same
thing searching for tcpre and see what is generating rules 1-3.

-Tom
-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________

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