Defensia AlternativesWeb Application & Firewalls like Defensia
Defensia is described as 'Lightweight security agent for Linux servers that detects and blocks real attacks in real time — without complex configuration' and is a web application firewall in the security & privacy category. There are more than 10 alternatives to Defensia for a variety of platforms, including Linux, Self-Hosted, SaaS, Wordpress and Web-based apps. The best Defensia alternative is CrowdSec. It's not free, so if you're looking for a free alternative, you could try CrowdSec or Fail2ban. Other great apps like Defensia are FortiWeb, Sucuri, BitNinja Server Security and Imunify360.
Alternatives list
- 24 Fail2ban alternatives
Fail2ban scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc. Generally Fail2Ban is then used to update firewall rules to reject the IP addresses for a specified amount of time...

- 67 BunkerWeb alternatives
BunkerWeb is a next-generation and open-source Web Application Firewall (WAF).
FortiWeb web application firewall (WAF) protects business-critical web applications from attacks that target known and unknown vulnerabilities.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)

A web security portfolio offering a combination of on-premise installed security software in conjunction with a cloud hosted web application firewall and CDN.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Self-Hosted
- Wordpress


+5
BitNinja provides 3E Linux server protection for large hosting providers and small businesses equally. The three E stands for: effective, effortless, and enjoyable.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Linux
- Software as a Service (SaaS)



- 32 Imunify360 alternatives
Imunify360 is automated security solution, powered by AI, will protect it from infections, maintain secure kernels, and keep you in the know with relevant information.
Cost / License
- Paid
- Proprietary
Platforms
- Linux


+8
- 50 Wordfence alternatives
Wordfence includes an endpoint firewall and malware scanner that were built from the ground up to protect WordPress. Our Threat Defense Feed arms Wordfence with the newest firewall rules, malware signatures and malicious IP addresses it needs to keep your website safe.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Self-Hosted
- Wordpress


+5
IPBan is a FREE and open source application that allows auto banning ip addresses from failed login attempts. Many sources are watched such as SSH, SMTP, SQL-Server, MySQL, RDP and dropped packets.
PhantomGuard is an all-in-one WordPress security plugin and edge protection suite built to replace complex, resource-heavy multi-plugin security stacks.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
- Wordpress


+4
HeatShield is a network firewall management service for Linux servers. A firewall configured by HeatShield prevents unauthorized access to services running on your servers, such as SSH and MySQL. Using HeatShield, you can easily restrict access to these services so that only IP...

































