SmartProxy

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update: more testing, zero omega cause dns leak too, only firefox manual proxy setting is ok

Description

Firefox with SmartProxy may cause DNS leak.

Steps to Reproduce

windows11 firefox 129.0.2 (64-bit) smartproxy 1.5

case	result
firefox + smartproxy	dns leak
firefox + firefox custom proxy setting	no leak
firefox + zero omega	no leak
chrome + smartproxy	no leak

dns leak test zero omega

leak:

no leak:

Which browsers did you test this on?

Chrome, Firefox

Affected browser versions

windows firefox 129.0.2 (64-bit)

Affected SmartProxy versions

1.5

Screenshots of the problems or steps to reproduce

No response

Any additional context

No response