Network configuration:

- Firewall connected to Internet, with two ports: LAN (protected) and DMZ
- Web server on the DMZ segment
- Internal Servers on the LAN segment.

We would like to introduce a web database application on the Web server,
using a Slave replication of a Master database running on the LAN Server.

We have two kinds of problems:

- For running replication we need to open ports on the LAN segment of the
firewall to let the Slave read binary logs.
- If we want web users to change information we need to operate on the
Master Database (and open other ports).

Is there another kind of replication schema that keep security of the LAN
segment ?


Thanks to all,

Alberto Fabbro

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