[squid-users] Information Request: "Accept-Ranges" with use of SSL intercept and dynamic update caching

[Amos Jeffries]

On 11/06/24 16:47, Jonathan Lee wrote:
> The reason I ask is sometimes Facebook when I am using it locks up and 
> my fan goes crazy I close Safari and restart the browser and it works 
> fine again. It acts like it is restarting a download over and over again.
> 

Because it is. Those websites use "infinite scrolling" for delivery. 
Accept-Ranges tells the server that it does not have to re-deliver the 
entire JSON dataset for the scrolling part in full, every few seconds.

That header is defined by 
<https://www.rfc-editor.org/rfc/rfc9110#name-accept-ranges>


HTH
Amos


>> On Jun 10, 2024, at 21:45, Jonathan Lee wrote:
>>
>> Hello fellow Squid community can you please help?
>>
>> Should I be using the following if I have SSL certificates, dynamic updates, StoreID, and ClamAV running?
>>
>> *request_header_access Accept-Ranges deny all reply_header_access 
>> Accept-Ranges deny all request_header_replace Accept-Ranges none 
>> reply_header_replace Accept-Ranges none*
>>
>> None of the documents show what Accept-Ranges does
>>
>> Can anyone help explain this to me?
>