GSMA FS.11 / FS.19 / FS.31 Core Network Defense

Carrier-Grade Multi-Protocol
Signaling Firewall Diagnostic Center

Defend inter-carrier mobile core signaling against location tracking, SMS OTP interception, GTP tunnel hijacking, and 5G SEPP roaming exploits with sub-millisecond wire-speed enforcement.

OPEN CARRIER SUITE

Firewall Engine

v5.4 Enforce

1.48M msg/sec

Processing Jitter

0.24ms

DPDK Kernel-Bypass

Quarantined Threats

4,821 / hr

Cat 1/2 spoof blocks

5G SEPP Crypto

TLS 1.3 PRF

Kyber-1024 PQC ready

DISSECTION ENGINEGSMA FS.11 / FS.19 Deep Packet Inspection Terminal

Deep Packet Hex & AVP Tree Dissector

Rule Policy:

PROTOCOL STACK:SCTP > M3UA > SCCP > TCAP > MAP sendRoutingInfoForSM

CRITICAL // GSMA FS.11 VIOLATION

Dissected Information Elements (IE) / AVPs

Calling Global Title (GT): +44 7911 238910

SPOOFED ROAMING PARTNER

Target MSISDN: +49 171 8920194

VALID ✓

Service Centre Address (SC): +380 94 120 442

FOREIGN SMSC MISMATCH

Application Context: shortMsgGatewayContext-v3

VALID ✓

Raw Frame Hex & ASCII BufferOffset: 0x0000 - 0x0040

0000   00 03 00 2c 00 00 00 01  00 00 02 01 00 00 00 00
0010   44 79 11 23 89 10 91 f4  38 09 41 20 44 2f 03 01
0020   68 1e 2b 06 01 04 01 82  3a 0e 02 01 2d 30 15 a0
0030   13 80 07 91 44 79 11 23  89 10 81 07 91 49 17 18

GSMA FS.11 / FS.19 Rule Matrix

Category 1: Unauthorized GTs

Strict home network bypass filter

1,294 BLOCKS

Category 2: Identity Spoofing

HLR/HSS masquerading & IMSI gate

42 ANOMALIES

Category 3: Impossible Velocity

Multi-location SMS tracking defense

ACTIVE GATE

Real-Time Threat Vector Distribution

SMS OTP Intercept (MAP SRI-SM)48%

Location Tracking (AnyTimeInterrogation)34%

DoS & Protocol Fuzzing18%

SS7 MAP / CAMEL

SS7 Firewall Engine

Full stateful inspection for GSMA FS.11 Category 1, 2, and 3 malicious messages (SendRoutingInfo, AnyTimeInterrogation, ProvideSubscriberInfo).

DIAMETER 4G/5G

Diameter Core Firewall

Filters GSMA FS.19 Update-Location-Request spoofing, foreign realm tampering, and cross-protocol Diameter-to-5G SBA translation attacks.

GTP-C / GTP-U

GTP Tunnel Firewall

Deep packet inspection for user-plane payload redirection, APN spoofing, TEID allocation collisions, and GSMA FS.31 carrier compliance.

5G SEPP HTTP/2

5G SEPP Roaming Gateway

Security Edge Protection Proxy (SEPP) terminating N32-c and N32-f interfaces with cryptographic PRF key negotiation and JWS integrity validation.

RFP & Benchmark

Request Signaling Firewall RFP

Get our carrier-grade SS7/Diameter/GTP Firewall technical spec sheet, performance benchmarks, and deployment architecture.

Loading Lead Capture Form...