Charles Proxy
one-time
HTTP proxy and monitor for viewing all HTTP and SSL traffic between a machine and the internet.
Best network sniffers tools for MSPs in 2026
MSPs evaluating network sniffers software are usually running it on behalf of several clients at once, so per-client separation, predictable cost at volume, and access control that keeps one customer's data out of another's view matter more than single-team feature depth.
No product in this category matches the MSP filter yet, so all 7 are listed below.
Back to all Network Sniffers tools, or browse the full software directory. You can also run head-to-head comparisons or read about our review methodology.
For background on scoring, see how rankings work. Our editorial articles add deeper analysis, the glossary clarifies vendor terminology, and our calculators help estimate ROI before the shortlist narrows further.
All network sniffers tools
Nothing in this category met the MSP filter, so the full network sniffers software category is listed here instead.
Ettercap
open-source
Open-source suite for man-in-the-middle attacks on LAN with sniffing, content filtering, and protocol dissection.
Fiddler
freemium
Web debugging proxy for capturing and inspecting HTTP/HTTPS traffic between client and server.
mitmproxy
open-source
Open-source interactive HTTPS proxy for intercepting, inspecting, and modifying network traffic.
NetworkMiner
freemium
Network forensic analysis tool for extracting files, images, and credentials from captured traffic.
tcpdump
open-source
Command-line packet analyzer for capturing and filtering network traffic on Unix-like systems.
Wireshark
open-source
Open-source network protocol analyzer for deep packet inspection, live capture, and offline analysis.
Common questions about network sniffers software for MSPs
What network sniffers software capabilities do MSPs need?
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Clean separation between client workloads, role-based access that prevents cross-client visibility, pricing that stays predictable as client count grows, and reporting an MSP can hand to a customer without rebuilding it by hand.
How should MSPs evaluate network sniffers software pricing?
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Model the cost per client rather than the headline rate, since usage-based pricing in this category can move sharply with data volume or node count. Check minimum commitments and what happens at renewal once several clients sit on one contract.
Can MSPs use the same network sniffers software as internal IT teams?
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Often yes, since the underlying capability is the same. The difference is operational: an MSP needs separate environments or projects per client and access control that holds that separation, which internal-only deployments never have to prove.