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:" Sent with ProtonMail Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On August 1, 2018 12:24 PM, Matt Darfeuille <matd...@gmail.com> 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 > > ---------------- > > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > Shorewall-users mailing list > Shorewall-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/shorewall-users ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Shorewall-users mailing list Shorewall-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/shorewall-users