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RedSplice Network Analyzer

redsplice.com

Free plan
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Spec score 7.3 #26 of 30 in Network Protocol Analyzers

What it is

RedSplice Network Analyzer captures and examines network traffic, organizing captured packets into sessions for inspection. When a network adapter supports promiscuous mode, it can capture traffic from other devices on the network segment. Users can view sessions as hexadecimal packets, extracted text, or data formatted for an application protocol, and the product lists content extraction, network statistics, keyword filtering, and protocol decoding. Captured packets can be edited and injected back into network traffic. SSL traffic decryption supports passive and active modes, with active decryption limited to traffic generated on the local host. The Free edition costs nothing and is limited to local traffic and capture time; it includes a 15 Day Trial. Professional adds unlimited capture time, non-local capture decoding, packet sending, real-time statistics and charts, custom filters, an unlimited address book, and technical support, but no Professional price is listed. The maker identifies security researchers, forensic specialists, application or web developers, and network administrators as intended users. The product lineage, according to its maker, began in 1999 with a sniffer called Spynet, later known as Iris.

Spec sheet

Purpose
RedSplice is a network traffic analyzer and sniffer for examining network activity.Read 10 Oct 2026 · redsplice.com
Product
RedSplice is a network traffic analyzer for capturing and analyzing network packets.Read 11 Oct 2026 · redsplice.com
Intended users
The maker names security researchers, forensic specialists, application or web developers, network administrators, and other curious users as potential users.Read 11 Oct 2026 · redsplice.com
Support
The site offers a contact form for technical support, sales questions, and other questions.Read 11 Oct 2026 · redsplice.com
Headquarters
The site lists an address in Laguna Hills, California, USA.Read 11 Oct 2026 · redsplice.com
Capture
Promiscuous mode can capture traffic from other devices on a network segment when the network adapter supports it.Read 11 Oct 2026 · redsplice.com
Company history
The maker says the product's lineage began in 1999 with a sniffer called Spynet, later known as Iris.Read 11 Oct 2026 · redsplice.com
Free edition limit
The Free edition is limited to local traffic and capture time.Read 11 Oct 2026 · redsplice.com
Listed features
The product site lists content extraction, network statistics, keyword filtering, and protocol decoding among its features.Read 11 Oct 2026 · redsplice.com
Packet capture
It can capture traffic from other devices when the network adapter supports promiscuous mode.Read 10 Oct 2026 · redsplice.com
Professional edition
The Professional edition lists unlimited capture time, non-local capture decoding, packet sending, real-time statistics and charts, custom capture filters, an unlimited address book, and technical support.Read 11 Oct 2026 · redsplice.com
Session reconstruction
It correlates captured packets into sessions and offers Packet View, Ascii View, and Smart View.Read 10 Oct 2026 · redsplice.com
Session views
Captured sessions can be viewed as packets in hexadecimal, extracted text, or data formatted for the application protocol.Read 11 Oct 2026 · redsplice.com
SSL decoding
The product supports passive and active SSL traffic decryption, with active mode limited to traffic generated on the local host.Read 11 Oct 2026 · redsplice.com
Traffic replay
RedSplice can inject captured packets back into network traffic, and packets can be edited before injection.Read 11 Oct 2026 · redsplice.com

Plans and prices

Free Free Local Traffic Only · 15 Day Trial · Limited Capture time Read 11 Oct 2026 · redsplice.com
Professional Priced on request Unlimited capture time · Decode non-local captured data · Send packets back to the network · Real-time stats and charts · Custom capture filters · Unlimited Address book · Technical Support Read 11 Oct 2026 · redsplice.com

Every RedSplice Network Analyzer plan and price →

Strong points and limits

Strong points

  • Reconstructs captured packets into sessions
  • Offers hexadecimal, text, and protocol-formatted views
  • Supports passive and active SSL decryption
  • Professional includes real-time statistics and charts

Limits

  • Free edition is limited to local traffic
  • Free edition has limited capture time
  • Active SSL decryption covers local-host traffic only

Who it suits

It is aimed at security researchers, forensic specialists, application or web developers, and network administrators who need to inspect or analyze captured traffic. Those who need non-local decoding or unlimited capture time need Professional.

Verdict

RedSplice provides several ways to inspect captured sessions and includes packet editing, sending, and SSL decryption. The Free edition has local-traffic and time limits, while Professional adds broader capture and analysis capabilities.

Where Specifiction places it

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