Port 25 is matched by 'fail2ban-dovecot' and 'fail2ban-postfix' which do nothing. So, check postfix main config. -- William
On Thu, Feb 19, 2015 at 10:59:01PM -0500, Randy Jonasz wrote: > Hello, > > I have an ubuntu 14.04 server running postfix. I wanted to test it with > telnet on port 25. Alas I receive connection refused errors although I > can ssh to the server fine and see that master is listening on port 25. > I ssh'd to another machine outside of my lan and tried telnet from > there. I was able to connect fine. Does anyone have any suggestions > how I can troubleshoot this? My hosts.deny file is empty. > > Here's the server's iptables -L output. My wan address is not listed. > Thanks for your help! > > Randy > > root@foucault:/etc/postfix# iptables -L > Chain INPUT (policy ACCEPT) > target prot opt source destination > fail2ban-ErrorAccess tcp -- anywhere anywhere > multiport dports http,https > fail2ban-ReqLimit tcp -- anywhere anywhere > multiport dports http,https > fail2ban-dovecot tcp -- anywhere anywhere > multiport dports smtp,urd,submission,imap2,imap3,imaps,pop3,pop3s > fail2ban-postfix tcp -- anywhere anywhere > multiport dports smtp,urd,submission > fail2ban-ssh-ddos tcp -- anywhere anywhere > multiport dports ssh > fail2ban-ssh tcp -- anywhere anywhere > multiport dports ssh > > Chain FORWARD (policy ACCEPT) > target prot opt source destination > > Chain OUTPUT (policy ACCEPT) > target prot opt source destination > > Chain fail2ban-ErrorAccess (1 references) > target prot opt source destination > RETURN all -- anywhere anywhere > > Chain fail2ban-ReqLimit (1 references) > target prot opt source destination > REJECT all -- hosted-by.sistem724.com.tr anywhere > reject-with icmp-port-unreachable > RETURN all -- anywhere anywhere > > Chain fail2ban-dovecot (1 references) > target prot opt source destination > RETURN all -- anywhere anywhere > > Chain fail2ban-postfix (1 references) > target prot opt source destination > RETURN all -- anywhere anywhere > > Chain fail2ban-ssh (1 references) > target prot opt source destination > REJECT all -- www.albena.bg anywhere > reject-with icmp-port-unreachable > REJECT all -- 182.100.67.115 anywhere > reject-with icmp-port-unreachable > REJECT all -- dynamicip-188-232-146-41.pppoe.omsk.ertelecom.ru > anywhere reject-with icmp-port-unreachable > REJECT all -- outgoing-auas.carlson.com anywhere > reject-with icmp-port-unreachable > REJECT all -- 221.233.125.180 anywhere > reject-with icmp-port-unreachable > REJECT all -- 2h56.xjtu.edu.cn anywhere > reject-with icmp-port-unreachable > REJECT all -- vps3d196-static.vdrs.net anywhere > reject-with icmp-port-unreachable > REJECT all -- static.vdc.vn anywhere > reject-with icmp-port-unreachable > REJECT all -- grupoazul130.static.host.gvt.net.br anywhere > reject-with icmp-port-unreachable > REJECT all -- 182.100.67.114 anywhere > reject-with icmp-port-unreachable > REJECT all -- luna933.server4you.de anywhere > reject-with icmp-port-unreachable > REJECT all -- 115.231.222.45 anywhere > reject-with icmp-port-unreachable > REJECT all -- 115.239.228.7 anywhere > reject-with icmp-port-unreachable > REJECT all -- 115.239.228.15 anywhere > reject-with icmp-port-unreachable > REJECT all -- static.vdc.vn anywhere > reject-with icmp-port-unreachable > REJECT all -- 218.205.48.105 anywhere > reject-with icmp-port-unreachable > REJECT all -- 115.239.228.4 anywhere > reject-with icmp-port-unreachable > REJECT all -- 5-14-20-84.residential.rdsnet.ro anywhere > reject-with icmp-port-unreachable > REJECT all -- 94.102.53.182 anywhere > reject-with icmp-port-unreachable > REJECT all -- dynamic.vdc.vn anywhere > reject-with icmp-port-unreachable > REJECT all -- 59.57.253.94 anywhere > reject-with icmp-port-unreachable > REJECT all -- 115.239.228.9 anywhere > reject-with icmp-port-unreachable > REJECT all -- 183.136.216.4 anywhere > reject-with icmp-port-unreachable > RETURN all -- anywhere anywhere > > --- > Talk Mailing List > [email protected] > http://gtalug.org/mailman/listinfo/talk --- Talk Mailing List [email protected] http://gtalug.org/mailman/listinfo/talk
