public int getProxyPort() {
        return JiveGlobals.getIntProperty(JIVEPROPERTY_PORT, DEFAULT_PORT);
    }
Returns the port that the file transfer proxy is opertating on.

@return Returns the port that the file transfer proxy is opertating on.
xmppserver/src/main/java/org/jivesoftware/openfire/filetransfer/proxy/FileTransferProxy.java