IPStresser.me is a network stress testing service that helps you measure the DDoS resilience, firewall limits, and load capacity of your own infrastructure before real attacks expose the gaps.
Use only on infrastructure you own or have written authorization to test.
An IP stresser is an online load-testing tool that simulates high-volume network traffic directed at a target IP address or domain — allowing server owners and network administrators to measure how their infrastructure responds under extreme conditions.
A stresser (also called an IP stresser or network stresser) generates synthetic traffic at scale to push a system toward its breaking point. A stress test is the controlled process of applying that load to identify bottlenecks, firewall weaknesses, or inadequate bandwidth provisioning before production issues occur.
System administrators, DevOps engineers, and security professionals use IP stressers to validate SLA guarantees from hosting providers, benchmark new server configurations, verify DDoS mitigation appliances (Cloudflare, AWS Shield, Akamai), and satisfy penetration testing requirements in compliance audits (ISO 27001, SOC 2).
Layer 4 (Transport) stress tests target TCP/UDP protocols — simulating SYN floods, UDP amplification, and connection exhaustion. Layer 7 (Application) tests simulate HTTP/HTTPS request floods that bypass volumetric defenses and stress web servers, CDN caches, and API gateways directly.
Stress testing infrastructure without explicit written authorization from the owner constitutes an illegal denial-of-service attack under the Computer Fraud and Abuse Act (CFAA, US), the Computer Misuse Act (UK), and equivalent legislation in most jurisdictions. IPStresser.me is built for authorized testing scenarios only.
From target configuration to full resilience report in under a minute.
Create an account and confirm that you own or have written authorization to test the target IP or domain.
Input the IP address or hostname. Choose protocol, port, duration (up to 3600 seconds), and intensity level.
Pick the stress method — UDP flood, SYN flood, HTTP bypass, DNS amplification, and 17+ additional vectors.
Start the test and watch live metrics: packets per second, bandwidth consumed, server response time.
Download a resilience report showing peak load, failure threshold, latency degradation curve, and mitigation recommendations.
Designed for infrastructure engineers who need accurate, repeatable, and safe load simulation — not toy traffic generators.
Stress tests start within 3 seconds of submission. No queue, no manual approval for standard plans — just direct access to the testing infrastructure.
Backed by a globally distributed PoP network capable of generating sustained traffic above 300 Gbps — enough to stress enterprise-grade DDoS mitigation systems.
From basic UDP flood and SYN flood to advanced Layer 7 methods: HTTP bypass, Slowloris, DNS amplification, NTP amplification, and SSDP reflection.
Live dashboard shows packets per second, bandwidth utilization, target response latency, and drop rate — updating every second throughout the test.
Run multiple stress tests simultaneously on different targets or ports — useful for validating load balancers and multi-homed network configurations.
Download PDF and CSV resilience reports after each test — formatted for internal security reviews, compliance documentation, and hosting provider SLA disputes.
REST API with JSON responses lets you integrate stress tests into your CI/CD pipeline, post-deploy validation scripts, or automated monitoring workflows.
Test whether your existing DDoS protection (Cloudflare Magic Transit, Path.net, Voxility) actually absorbs advanced bypass techniques — before an attacker does.
Advanced plan users can specify custom TCP flags, payload patterns, fragmentation settings, and TTL values for precise protocol-level testing scenarios.
Each method simulates a specific real-world DDoS pattern. Use the table below to match your testing scenario to the correct vector.
| Method | Layer | Protocol | What It Tests | Peak PPS |
|---|---|---|---|---|
| UDP Flood | L4 | UDP | Bandwidth saturation, firewall stateless rule performance | 50M+ |
| SYN Flood | L4 | TCP | Connection table exhaustion, SYN cookie effectiveness | 80M+ |
| ACK Flood | L4 | TCP | Stateful firewall throughput under established-connection load | 70M+ |
| UDP Amplification (NTP) | L4 | UDP/NTP | Amplified volumetric attack absorption (amplification factor ~550×) | 20M+ |
| DNS Amplification | L4 | UDP/DNS | DNS scrubbing center effectiveness, upstream bandwidth limits | 15M+ |
| ICMP Flood | L4 | ICMP | Router ICMP rate limiting, ping-of-death mitigation | 40M+ |
| HTTP GET Flood | L7 | HTTP/1.1 | Web server capacity, CDN cache bypass effectiveness | 5M RPS |
| HTTP POST Flood | L7 | HTTP/1.1 | API endpoint rate limiting, backend database connection pooling | 2M RPS |
| HTTPS Bypass | L7 | HTTPS/TLS | TLS termination overhead, WAF behavioral analysis | 1M RPS |
| Slowloris | L7 | HTTP | Connection timeout configuration, max concurrent connection limits | — |
All plans include access to all attack vectors. Higher tiers unlock longer tests, more concurrent sessions, and greater throughput.
IPStresser.me is a professional stress testing tool for use exclusively on infrastructure you own or have explicit written authorization to test. Using this service against third-party targets without authorization violates the Computer Fraud and Abuse Act (CFAA), the Computer Misuse Act (UK), Directive 2013/40/EU (EU), and equivalent laws in other jurisdictions. Unauthorized use results in immediate account termination and may be reported to relevant law enforcement authorities. By registering, you accept full legal responsibility for all tests you run.
Common questions about IP stressers, stress testing, and using IPStresser.me.
The terms "IP stresser" and "booter" are often used interchangeably in the security community, but they carry different connotations. An IP stresser is a professional-grade tool for authorized load testing — the name emphasizes the legitimate use case of measuring stress resistance. A booter typically refers to services that are marketed for malicious use — "booting" users or servers offline without authorization. IPStresser.me is built and operated as a legal stress testing platform; using it as a booter is a violation of our Terms of Service and applicable law.
Yes — when used on infrastructure you own or have written permission to test. Authorized network stress testing is a standard practice in IT security, DevOps, and compliance engineering. It is explicitly legal under frameworks like NIST SP 800-115 (Technical Guide to Information Security Testing) and required for certifications such as SOC 2 Type II and ISO/IEC 27001. Stress testing without authorization is illegal under the CFAA (18 U.S.C. § 1030) in the US and under the Computer Misuse Act 1990 in the UK.
These refer to the OSI model layer being targeted. Layer 4 (Transport layer) tests stress TCP/UDP connections — they simulate volumetric floods that overwhelm bandwidth, saturate connection tables, or exhaust firewall state tracking. Layer 7 (Application layer) tests send legitimate-looking HTTP/HTTPS requests that bypass volumetric scrubbing but exhaust web server threads, database connections, or API rate limits. For a complete resilience picture, test both layers.
Start with a baseline test at low intensity to confirm your infrastructure responds normally. Then gradually increase throughput until you see latency degradation or packet loss. Compare response behavior with and without your DDoS mitigation service active. For providers like Cloudflare, test both direct-IP access (bypassing CDN) and via the protected hostname to identify configuration gaps. Document the failure threshold — that is your current protection ceiling.
Yes, but you must first review and comply with your cloud provider's acceptable use policy regarding load testing. AWS requires you to fill out a Penetration Testing Request form for certain instance types; GCP does not require pre-approval for load testing your own resources, but prohibits traffic that resembles DDoS attacks against third parties; Azure has similar guidelines. Always confirm your provider's current policy before running high-volume stress tests.
For basic capacity benchmarks, 60–120 seconds at peak intensity is sufficient to observe steady-state behavior. For DDoS resilience validation, 300–600 seconds (5–10 minutes) gives your mitigation system enough time to engage automated detection and rerouting. For extended soak testing that validates behavior over time (memory leaks, connection pool exhaustion, cache eviction), 1–4 hours is typical in enterprise environments.
You need: (1) the target IP address or hostname, (2) the port to test (or leave blank for randomized), (3) the protocol/method to use, (4) the desired duration in seconds, and (5) documentation of your authorization to test the target — stored for your own legal protection. For Layer 7 tests, you may also configure custom HTTP headers, paths, and cookie values to simulate authenticated sessions.
Free plan available. No credit card required. Test your server's resilience in under 60 seconds.
Create Free Account