Below are the various security recommendations for free2z.com
Self host or use decentralized cloud
Looks like free2z is using Google cloud. Self hosting is one option. Another option is to use decentralized hosting like https://threefold.io or https://akash.network
Web application firewall
You can install a web application firewall to avoid SQL attacks, DDOS atatcks.
Open source Web application firewalls are at https://geekflare.com/open-source-web-application-firewall
https://www.github.com/SpiderLabs/ModSecurity is a popular choice.
SPF record
Use SPF record to prevent spammers from abusing your email address. Without SPF, someone can send fake email from your domain provided the receiver does not use proper authentication services.
X-XSS-Protection
Response headers do not include the HTTP X-XSS-Protection security header
The X-XSS-Protection HTTP header instructs the browser to stop loading web pages when they detect reflected Cross-Site Scripting (XSS) attacks. Lack of this header exposes application users to XSS attacks in case the web application contains such vulnerability.
Header can be set as X-XSS-Protection: 1; mode=block.
Missing: https://free2z.com/.well-known/security.txt
Security.txt can be set in https://free2z.com/.well-known/security.txt to allow researchers or users report any security issues they find, improving the defensive mechanisms of your server.
Server software and technology found
It can be seen that Nginx 1.23.3 and Google Cloud is being used. An attacker could use this information to mount specific attacks against the identified software type and version.
Additional tips
See https://observatory.mozilla.org/analyze/free2z.com for additional recommendations for improving security for free2z.com
Reference:
- https://sitecheck.sucuri.net/results/free2z.com Recommends WAF and CSP
- https://csp-evaluator.withgoogle.com CSP Evaluator
- https://pentest-tools.com/website-vulnerability-scanning/website-scanner Provides various security recommendations.