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Oracle SBC Security Guide

Figure 1: Net-SAFE Framework

The Net-SAFE Framework spans seven general functions:

1. Denial of Service (DoS) protection

 Dynamic self-protection against malicious and non-malicious DoS attacks and overloads at

layer 3/4 (e.g. TCP, SYN, ICMP, fragments, etc.) and layer 5 (e.g. SIP signaling floods,

malformed messages, etc.)

 Traffic management queues for control and throttling of signaling and media

2. Access control

 Session-aware access control for signaling and media using static and dynamic permit/deny

ACLs at layers 3 and 5

3. Topology hiding and privacy

 Complete infrastructure topology hiding at all protocol layers for confidentiality and attack

prevention as well as modification, removal or insertion of call signaling application headers

and fields

 Confidentiality and integrity through use of industry-standard encryption methods such as

TLS/SRTP and IPSec

4. VPN separation

 Support for Virtual Private Networks (VPNs) with full inter-VPN topology hiding and

separation

 Ability to create separate signaling-only and media-only VPNs

 Optional intra-VPN media hair-pinning to monitor calls within a VPN

5. Service infrastructure DoS prevention

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