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Oracle SBC Security Guide
</route>
</localRoutes>
Once the configuration has been saved and activated, the LRT file contents can be confirmed by
executing the command “show lrt route-entry blacklist 3712900” at the ACLI (or any of the other
blacklist prefixes, or numbers that contain the prefix).
Next, the dummy session agent must be set up. The hostname must match the LRT host entry. Note that
the response-map AND local-response map are required to identify blacklisted calls vs. just valid errors.
Make sure the session-agent state is disabled so traffic or error messages are not sent to a real host. It
should be noted that use of a real hostname will not work due to the way DNS resolution works in
conjunction with disabled session-agents.
session-agent
hostname 10.11.12.13
ip-address
port 5060
state disabled
app-protocol SIP
app-type
transport-method UDP
realm-id
response-map 503Fraud
local-response-map 503Fraud
Next, map the error to an error code we can identify and log / reject for trap.
session-router > sip-response-map
response-map
last-modified-date 2012-10-26 17:06:07
name 503Fraud
entries 503 -> 678 (Fraud)
On the access realm, the out-manipulationid should reference the “logBlacklist” HMR below. Note that if
there is already an outbound HMR in place that the header rules below can be added to the existing HMR.
sip-manipulation
name logBlacklist
description
split-headers
join-headers
header-rule
name logBlacklist
header-name @status-line
action manipulate
comparison-type case-sensitive
msg-type reply
methods
match-value
new-value
(Log the call that matched the blacklist to a local file “matched.log” on the SBC)
- SECURITY GUIDE 1
- Contents 3
- Related Documentation 7
- Part 1: Overview 8
- Figure 1: Net-SAFE Framework 9
- General Security Principles 10
- Monitor System Activity 11
- Session Border Controller 13
- Unified Session Manager 14
- Core Session Manager 15
- Session Router 16
- Realm Design Considerations 16
- Management Interfaces 17
- Passwords 18
- Boot Flags 18
- System ACLs 19
- Telnet/SSH 19
- FTP/SFTP 19
- GUI Management 19
- Resiliency 20
- Physical Link Redundancy 21
- Part 3: Security Features 22
- Security Specific Licenses 24
- Features 26
- Configuring AAA Integration 27
- SIP Interface Security 28
- Service ACLs 29
- TLS for SIP 31
- IPsec for SIP 33
- Call Admission Control (CAC) 34
- Media Policing 35
- DoS/DDoS Prevention 35
- Attack Tool Prevention 36
- Lawful Interception 36
- Part 4: Appendices 37
- Appendix B: Port Matrix 38
- Configuration Models: 40
- Supported platforms 40
- Configuration Parameters 40
- Realm Configuration 41
- SIP Interface 41
- Observations/Limitations 49
- Overview 61
- Deployment Archetypes 61
- Scanner Mitigation 63
- Peering Environments 68
- IDS License Details 70
- Dependencies 70
- Statistics 71
- SNMP MIB OIDS 71
- SNMP Traps 72
- Constraints Limiting 75
- Session-Constraints 75
- Rate constraints 76
- Message Rejections 78
- SNMP support 79
- Log Action 79
- Blacklist Table Maintentance 86
- SNMP OIDs 88
- System Management Statistics 88
- Realm Statistics 89
- Environmental Statistics 90
- Enterprise SNMP Traps 90
- SNMP Traps in HA environment 93
- Appendix I: Syslog 94
- Call Detail Records (CDR) 102
- Oracle SBC Security Guide 103
- System Statistics 106
- Application Statistics 106
- Introduction 108
- SRTP Topologies 108
- Requirements 110
- Design Aspects 111
- Secured/Unsecured Network 114
- Troubleshooting 122
- References 142
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