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ejabberd on vm not connect to another xmmp server (iptables dnat dport 5269)

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http://serverfault.com – i migrate a ejabberd server to a vm with only private ip. is work fine but not connect to anothers xmmp servers. log: s2s connection: xxxx -> gmail.com (remote server not found) telnet test: telnet xmpp-server.l.google.com 5269 Connection time out in the host add iptables nat port 5269 to internal ip. iptables -t nat -A PREROUTING -p tcp -m tcp --dport 5269 -j DNAT --to-destination x.x.x.x:5269 the host have a masquerade for all out to eth with public ipv4. if i remove this nat the telnet test is ok, but i cant connect to port 5269 on internal ip. Any ideas? Thank... (HowTos)