[squid-users] Parse DNS for IPv4 and IPv6

[Matus UHLAR - fantomas]

On 31.07.24 13:17, Jonathan Lee wrote:
>I forgot to mention this is over a he tunnel broker gif interface with IPv4 only isp

I asked for log messages (from acess.log) or possibly errors from cache.log


>> On Jul 31, 2024, at 12:03, Jonathan Lee <jonathanlee571 at gmail.com> wrote:
>>
>> I show HTTP/1.1 409 conflict when it try to reply from the firewall back to the client.
>>
>> I do not know if you need a pcap file
>>
>> <Capture.PNG>
>> <packetcapture-mvneta1.4084-20240731114904.pcap>
>>
>>
>>> On Jul 31, 2024, at 03:35, Matus UHLAR - fantomas <uhlar at fantomas.sk> wrote:
>>>
>>>> On 30.07.24 12:55, Jonathan Lee wrote:
>>>> Hello fellow squid users can you please help?
>>>
>>>> I have noticed that I get 409 errors with IPv6 only clients this leads me to believe that it’s DNS related.
>>>
>>> why do you think that?
>>>
>>>> My firewall has both IPV4 and IPV6 DNS.  I wonder if when an IPV6 only client is trying to access the proxy it defaults to IPv4 dns.
>>>
>>> Sice, the connection between client and squid is separate from connection between squid and server, it should be perfectly okay to have ipv6 on one and ipv4 on another.
>>>
>>>> How can one manually set the system to utilize specified DNS for ACL use within subnets?  The system works as long as clients are double stacked.
>>>
>>> Can we see example of those errors in log files?

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