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DSL router and security


I use DSL with Slink. I previously had a static IP address. I used an IP Chains ruleset as one security level. All was well.

My ISP recently mandated a configuration change for the Cisco DSL router from " bridging" to "ppp" mode, including NAT at the router level.

The router now changes my assigned IP address to a private Class A address ( ). I changed my networking ( eth0) settings to reflect this.

I guess I no longer need the IP Chains firewall. Is this correct ?

What security considerations/measures should I now adopt with respect to my new setup ?

My knowledge of the function of this router is rudimentary.


Howard Mann.

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