Hello Matt,
The support page explicitly asks not to post configuration files but to post
dumps instead, which I did. Here's an excrept from the posted dump file which
seems to show that port 25 is open for net-fw connexions, line 11 :
1 Chain net-fw (1 references)
2 pkts bytes target prot opt in out source
destination
3 252 13604 dynamic all -- * * 0.0.0.0/0
0.0.0.0/0 ctstate INVALID,NEW,UNTRACKED
4 249 13452 smurfs all -- * * 0.0.0.0/0
0.0.0.0/0 ctstate INVALID,NEW,UNTRACKED
5 0 0 ACCEPT udp -- * * 0.0.0.0/0
0.0.0.0/0 udp dpts:67:68
6 3008 714K tcpflags tcp -- * * 0.0.0.0/0
0.0.0.0/0
7 1756 464K ACCEPT all -- * * 192.168.0.0/16
0.0.0.0/0
8 17 3878 ACCEPT all -- * * 172.16.0.0/12
0.0.0.0/0
9 644 110K ACCEPT all -- * * 10.10.10.0/24
0.0.0.0/0
10 830 165K ACCEPT all -- * * 0.0.0.0/0
0.0.0.0/0 -m geoip --source-country DZ,US
11 0 0 ACCEPT tcp -- * * 0.0.0.0/0
0.0.0.0/0 multiport dports 22022,44044,25
12 45 2292 Drop all -- * * 0.0.0.0/0
0.0.0.0/0
13 1 40 LOG all -- * * 0.0.0.0/0
0.0.0.0/0 LOG flags 0 level 6 prefix "Shorewall:net-fw:DROP:"
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On August 1, 2018 12:24 PM, Matt Darfeuille <[email protected]> wrote:
> On 8/1/2018 12:35 PM, daniel_1983--- via Shorewall-users wrote:
>
> > Hello list,
> > Shorewall is installed on my mail server. Its policy is to ACCEPT all
> > traffic from $fw to net (same interface). Since the only thing I changed in
> > the configuration is the policy file, I will paste the policy file that it
> > working (mail is sent), and the policy file that is not working (mail is
> > not sent).
> > NON-WORKING POLICY
> > root@messagerie[10.10.10.19] ~ # cat /etc/shorewall/policy
> > [...]
> > $FW net ACCEPT
> > net $FW DROP INFO
> > root@messagerie[10.10.10.19] ~ #
>
> If you have the policy 'net $FW DROP' you will need to open those
> required ports in '/etc/shorewall/rules'.:
>
> net $FW tcp 25
>
> > shorewall dump after doing a shorewall reset then trying to send mail to
> > host 192.162.70.68 : https://clbin.com/yO9h3. You can see that the
> > connexion isn't even listed.
> > WORKING POLICY
> > root@messagerie[10.10.10.19] ~ # cat /etc/shorewall/policy
> > [...]
> > $FW net ACCEPT
> > net $FW ACCEPT
> > root@messagerie[10.10.10.19] ~ #
>
> 'net $FW ACCEPT' means that all traffic is 'ACCEPT'ed on the firewall
> from the net zone.
>
> -Matt
>
> --------------------------------------------------------------------------------------------------
>
> Matt Darfeuille
>
> ----------------
>
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