Forwarder

The Forwarder is the core interface of FlowMind for real-time viewing and analyzing proxied HTTP/HTTPS/WebSocket traffic.

Interface Layout

┌─────────────────────────────────────────────────────────┐
│  Filter Bar (Method, Status, Search, Domain filters)    │
├─────────────────────────────────────────────────────────┤
│                                                         │
│  Traffic List (Virtual scrolling, supports large data)  │
│                                                         │
├─────────────────────────────────────────────────────────┤
│                                                         │
│  Detail Panel (Overview, Request, Response, WS, TLS)   │
│                                                         │
└─────────────────────────────────────────────────────────┘

Traffic List

Column Information

Column	Description
Method	HTTP method (GET, POST, PUT, etc.)
URL	Full request URL
Status	HTTP response status code
Size	Response body size
Duration	Request duration (ms)
Time	Request timestamp

Filtering

Method Filter

Select specific HTTP methods to filter:

• GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS

Status Code Groups

Filter by status code range:

Group	Range
Information	1xx
Success	2xx
Redirection	3xx
Client Error	4xx
Server Error	5xx

Search Filter

Enter keywords in the search box to match:

• URL
• Request/Response header names and values
• Request/Response body content

Detail Panel

After selecting traffic, the detail panel shows these tabs:

Overview

Displays basic request information:

• Request method and URL
• Status code and response size
• Request/Response time
• Client and server addresses

Request

• Headers: Complete request headers
• Body: Request body content (supports JSON, form, raw format)

Response

• Headers: Complete response headers
• Body: Response body content (supports JSON, HTML, raw format)

WebSocket

Only shown for WebSocket traffic:

• Messages: All WebSocket messages (text/binary)
• Close Frames: WebSocket connection close information
• Details: Selected message content preview

TLS

Displays TLS/SSL connection information:

• Protocol version
• Cipher suite
• Certificate information
• SNI (Server Name Indication)

Raw

View the raw HTTP message for requests and responses:

• Complete request line and headers
• Raw request body
• Response status line and headers
• Raw response body

Context Menu

Right-click in the traffic list to:

Action	Description
Send to Repeater	Send request to Repeater for replay
Send to Fuzzer	Send request to Fuzzer for testing
Send to AI	Send request to AI for analysis
Copy URL	Copy request URL
Copy cURL	Copy as cURL command
Remove from List	Remove from current list (doesn't delete data)

Row Highlighting

Color-code traffic rows to quickly identify items of interest:

1. Right-click a traffic row
2. Select Set Row Highlight
3. Choose a highlight color
4. Highlights persist across restarts

Match-Replace

Automatically modify in-transit requests/responses without manual interception:

Operation	Description
Request Header Replace	Auto-modify matching request headers
Response Header Replace	Auto-modify matching response headers
Request Body Replace	Auto-modify matching request body
Response Body Replace	Auto-modify matching response body

Use cases:

• Modify Host header for environment switching
• Remove security headers for simplified testing
• Inject test cookies or tokens

Keyboard Shortcuts

Shortcut	Function
Ctrl/⌘ + F	Focus search box
Ctrl/⌘ + K	Clear filter conditions
Delete	Delete selected traffic
Ctrl/⌘ + A	Select all
↑ ↓	Switch selected item