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    <p>If the servers are in the same rack, you can use dedicated high-speed MySQL cable, or use switch VLAN isolation, and protect the database OS. In cloud with the virtual cloud network you can connect it the way that arp spoof is not possible, and for the geo-ip replication, you can use user/password and firewall, and then measure the performance, and then setup a tunnel and measure performance again, if it's not bad, it might be worth against unknown threats or just useful in using spare cpu cycles.</p> <p>Simply SQL servers has to be on isolated network, and not into the public, as rule of thumb, you never publish open database connection to anyone, and keep it with seriously good firewall filtering on separate subnet made for handling sensitive data with very good arp spoofing protection, otherwise it's crackable and the major parts of the system can be compromised using several techniques, and it's very nice and sometimes very easy to handle it this way, e.g. to control, monitor and policy the MySQL traffic with hardware layer - and it really does the job and makes a real difference.</p> <p>Optionally you can keep it on encrypted hard-drive in physically safe place along with the switch, so upon breaking the power its switched off, and the private key erased, hence both layer-1 and layer-2 are secured.</p> <p>On the switch to use the static ARP table plus the filtering for the static entries versus the port is very easy to do because it's also physical layer - the port number.</p>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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