mirror of
https://github.com/safing/portmaster
synced 2025-09-02 02:29:12 +00:00
22 lines
671 B
Go
22 lines
671 B
Go
package firewall
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import (
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"strings"
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"github.com/safing/portmaster/nameserver/nsutil"
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"github.com/safing/portmaster/network"
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"github.com/safing/portmaster/profile/endpoints"
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)
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// PreventBypassing checks if the connection should be denied or permitted
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// based on some bypass protection checks.
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func PreventBypassing(conn *network.Connection) (endpoints.EPResult, string, nsutil.Responder) {
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// Block firefox canary domain to disable DoH
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if strings.ToLower(conn.Entity.Domain) == "use-application-dns.net." {
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return endpoints.Denied,
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"blocked canary domain to prevent enabling of DNS-over-HTTPs",
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nsutil.NxDomain()
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}
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return endpoints.NoMatch, "", nil
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}
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