March 8, 2026 · Admin · 2 min read

Proxy Security: How to Stay Safe When Using Proxy Servers

Not all proxies are created equal. Learn the 5 things you should verify before trusting any proxy provider, plus how to check for DNS leaks and logging policies.

TL;DR: Proxies are safe when you use a reputable provider with a clear no-logging policy, encrypted connections, DNS leak protection, and transparent business practices. Free or unknown proxies can intercept your traffic and steal credentials. Always verify your provider before routing sensitive data through their servers.

5 Things to Verify Before Using Any Proxy Provider

1. Logging Policy

Does the provider explicitly state what they log? Look for specifics about connection logs, traffic logs, retention periods, and third-party sharing.

2. DNS Leak Protection

A DNS leak occurs when your DNS queries bypass the proxy. After connecting, test with a DNS leak checker to confirm your real DNS servers are hidden.

3. Connection Encryption

Your connection to the proxy should be encrypted. At Botosaur, all proxy connections support encrypted protocols.

4. Provider Reputation and Transparency

How long have they operated? Is there a real business entity? Are there independent reviews?

5. IP Source Ethics

For residential proxies, ask how IPs are obtained. Ethical providers use opt-in peer networks.

Our recommendation: Five minutes of due diligence can prevent data theft. Botosaur publishes transparent policies — learn more about our proxy infrastructure.

Common Proxy Security Risks

Traffic interception — Untrustworthy proxies can perform man-in-the-middle attacks on HTTP traffic. Always use HTTPS.
Malware injection — Some free proxies inject JavaScript into web pages. See why free proxies are dangerous.
IP exposure — Misconfigured proxies may forward your real IP in X-Forwarded-For headers.

Best Practices

Always use HTTPS for sensitive sites
Use unique credentials per project
Run DNS leak tests after every new configuration
Prefer paid providers like Botosaur over free alternatives

Frequently Asked Questions

Are proxies safe to use?

Yes, when you use a reputable paid provider with a clear no-logging policy and encrypted connections. Free or unknown proxies can intercept your data.

Can a proxy provider see my traffic?

A proxy provider can see unencrypted HTTP traffic. They cannot see the contents of HTTPS-encrypted traffic — only the destination domain. Always use HTTPS.

How do I verify a proxy is not logging?

Look for a published privacy policy that explicitly states no traffic logs. Check for independent audits. Choose a provider with a strong reputation.

What is a DNS leak?

A DNS leak happens when your DNS queries bypass the proxy and go directly to your ISP, revealing which domains you visit. Use a DNS leak test website to check after connecting to your proxy.