squid 6.3: client internal ip address PTR DNS query

David Touzeau <[email protected]> Tue, 18 Mar 2025 11:25:38 +0100

Newsgroups	gmane.comp.web.squid.general
Message-ID	<[email protected]>

We note that Squid performs a client DNS PTR query each time client 
sends query.

We have taken care to ensure that

  * that the log model does not use machine names
  * No acls concerning workstation hostnames are added.


We use kerberos authentication with Squid: is 
negotiate_kerberos_auth/process plugin is able to perform PTR requests?

Is there another option that denies squid to perform such requests?

Regards

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