10 Firewall Configuration Changes

This chapter describes the firewall configuration changes for Diameter Signaling Router (DSR).

10.1 IP tables

DSR comes with various IP tables rules preconfigured and dynamically adjusts IP table rules as new diameter peers are defined. In general, we do not recommend making any IP table rule adjustments without prior consultation with DSR product support.

10.2 TCP Wrappers

DSR does not use TCP wrappers. Customers wishing to add TCP wrapper rules (hosts.allow / hosts.deny) must ensure that the management and signaling traffic are not impacted. In general, we do not recommend making any TCP Wrapper rule adjustments without prior consultation with DSR product support.