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Body All Rails Machine VPS plans are protected by a shared Cisco firewall. All incoming ports are blocked except ssh, dns, ftp, http/https, smtp, imap, pop3, and 8000-10000. You can close down additional ports using [[FirewallingWithIptables|iptables]]. To access ports on your server that are firewalled, the best approach is to use ssh to tunnel the connection to your local computer. See ConnectingToMySQL for an example.
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