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allow udp remote 6277 to local gt 1023
IPTables Setup:
Assuming you allow all outbound packets out of your machine, you only need to add an INPUT rule to your /etc/sysconfig/iptables file. Add the following line in your INPUT chain, above any deny rules:
-A <chain-name> -p udp -m udp --sport 6277 -j ACCEPT
Also, if you're running a large site, processing upwards of tens of thousands of messages a day, the DCC maintainers have requested that you consider setting up your own DCC server as described in dccd(8), and arrange to peer with the rest of the public servers.
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