fwtraffic

Interactive firewall packet pipeline visualizer

⚙️ Packet Parameter Generator

🔌 Attach Live Debug / Trace Log

LINA Firewall Engine (Layer 3 / 4)
Ingress Physical
LINA
→
Capture Check
LINA
→
IP Defrag
LINA
→
Existing Conn?
LINA
Slow-Path Flow
VPN Decrypt
LINA
→
UN-NAT (DNAT)
LINA
→
L3 Route Lookup
LINA
→
Prefilter Policy
LINA
→
L3/L4 ACL
LINA
Handover to Snort 3 Engine
Snort 3 Threat Prevention (Layer 7)
DAQ Handover
Snort
→
Stream Defrag
Snort
→
SSL Decrypt
Snort
→
Security Intel
Snort
→
Identity Rule
Snort
↓
L7 App Filter
Snort
→
URL Filtering
Snort
→
IPS (Snort 3)
Snort
→
AMP Malware
Snort
→
SSL Encrypt
Snort
Egress Post-Processing
LINA Egress core processing
Flow Update
LINA
→
Egress NAT (PAT)
PAT Source
→
QoS Shaping
LINA
→
VPN Encrypt
Crypto Tunnel Engine
→
L2 ARP Gateway
LINA
→
Egress Send
LINA
Prefilter Trust/Fastpath Bypass ↓
Ingress Process
Receive Packet
ethernet1/1
→
Parsing & Zone
Parser
→
Ingress Error?
Zone Protection
→
FW Inspect?
Inspection Check
→
VPN Decrypt?
IPsec/SSL VPN
SP3 Split Gateway (Forks into Session Setup vs Fastpath Acceleration)
Branch A: Slowpath / Session Setup
Forwarding
Route Lookup
→
NAT Policy
DNAT Check
→
Security Policy
L3/L4 Rulebase
→
Install Session
Session Table
Branch B: Fastpath Acceleration
Session Lookup
Session Engine
→
L2 - 4 Process
Timer Update
SSL Inspection Gateway
SSL Decrypt?
SSL Proxy
Dynamic App Identification (App-ID Engine Core Loop)
Application Identification (App-ID)
Pattern App-ID
App ID
→
Policy Re-Match Loop
L7 Rulebase
→
App Allowed Check
Action Verify
→
Scan Setup
SP3 Initialize
Content-ID Parallel Engine
Single-Pass Parallel Scan Engine
Antivirus
Content-ID
Vulnerability Protection
Content-ID
Anti-Spyware
Content-ID
WildFire Analysis
Content-ID
URL Filtering
Content-ID
SP3 App-ID Bypass Lane ↓
SSL Encryption Gateway
SSL Re-encrypt
SSL Proxy
Forwarding / Egress
Egress Processing
QoS & Route
→
VPN Encrypt
IPsec Encapsulate
→
Transmission
Egress Wire
Ingress Packet Flow (Link Layer & Ingress Security)
Interface (L2)
Ingress
→
DoS Sensor
SPU
→
IP Integrity
Header
→
IPsec Decrypt
VPN
→
NAT (DNAT) / VIP
VIP
→
Routing Lookup
Route
→
TCP State Sanity Check
L4 Validation
NP7 Fastpath Session Bypass ↓
Stateful Engine Fork
Stateful Inspection Engine Fork
Session Lookup
Match Found?
Slow Path (Session Setup) Flow
Session Helpers
Helpers
→
Authentication
FSSO/Auth
→
Local Mgmt Traffic
System Check
→
Firewall Policy Lookup
Firewall Rule
SSL Inspection Gateway
SSL Inspection Gateway
Deep Inspection Profile
Gateway
→
SSL Decrypt
SPU CP9
UTM Profile Inspection Splits
Flow-Based Inspection Engine
Security Profile Check
UTM Check
→
IPS Engine
IPS Profile
→
Application Ctrl
App ID
→
Flow AV
Malware
→
Flow WebFilter
URL Reputation
Proxy-Based Inspection Engine
Proxy Required?
Buffering
→
VoIP Inspection
SIP Proxy
→
DLP Scan
Data Leak
→
Email Filter
Spam Blocker
→
Proxy AV
Buffered Scan
→
ICAP Server
Offload
Egress Packet Flow
Egress Packet Flow (Reordered)
SSL Re-encrypt
Gateway
→
NAT (SNAT)
PAT Source
→
IPsec Encrypt
VPN
→
Traffic Shaping
QoS
→
Interface (TX)
Egress Cable
SND Ingress & Link Layer Acceleration
NIC In
eth0
→
SND Decrypt?
VPN Check
→
SND QoS?
QoS Classify
SecureXL Acceleration Driver
SecureXL Driver
Router
Fast Path (Bypasses Slowpath & UTM)
Template Hit
SecureXL
Medium Path (PXL - Buffers to CMI Blades)
PSL Stream
SecureXL
Slow Path (F2F - CoreXL Kernels)
F2F Path
SecureXL
CoreXL Inbound Chains
F2F Session Hit?
Conn Table
→
NAT (Dest)? [DNAT]
Inbound
→
Firewall Policy [Access]
Rulebase
→
In-Chain Mods
VM Kernel
→
Content Scan?
Redirect
Check Point CMI Engine Matrix
PSL Stream Engine
PSL
→
CMI Blades Loader
CMI
→
HTTPS Decrypt
SSL Decrypt
→
L7 App Control
AppControl
→
URL Filtering
URLFilter
↓
IPS Engine
IPS
→
Anti-Bot / AV
AB / AV
→
Threat Emulation
Sandbox
→
HTTPS Encrypt
SSL Encrypt
→
Blades Verdict
Action
Routing & Stateful Egress Outbound
Routing & Outbound Kernel
Routing Lookup
OS Router
→
Source NAT?
Outbound SNAT
→
Out-Chain Mods
VM Kernel
Path Execution & Egress Driver
Path Execution & Outbound Gateway
Path Resolved
F2F/PXL/Accel
→
QoS OUT?
Bandwidth OUT
→
VPN Encrypt?
ESP Encapsulate
→
NIC Out
eth1
↓ Fast Path
↓ Medium Path
↓ Slow Path

🔍 Inspection Details

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