[squid-users] Regression after upgrading 3.5.27 -> 4.1

[Amos Jeffries]

On 26/07/18 03:55, Andrea Venturoli wrote:
> On 7/25/18 4:54 PM, Alex Rousskov wrote:
>> On 07/25/2018 01:12 AM, Andrea Venturoli wrote:
>>> On 7/22/18 3:29 PM, Andrea Venturoli wrote:
>>>
>>>>> http://xxxxxxxxxxx.xxxxxxxxxxx.xx/rest?method=navi_path.add&opera=I029&tipo=0&descr=XXXXXXXXX%20-%20Xxxxxxx%20xxxxxxxxxxx%20xxx%2030/12/2014%20-%20XXXX&xxxxx_xxxx=0&params={idDoc:%27C0002019%27,clasDoc:%27XXXXXX%27,nomeDoc:%27XXXXXXXXX%20-%20Xxxxxxx%20xxxxxxxxxxx%20xxx%2030/12/2014%20-%20XXXX%27,_X_TRACK_ID:%xxxxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx%27}&_ts=1532264445584&_dc=1532264445584
>>>>>
>>>
>>>
>>> Upon furhter investigations, I see the problems are the curly braces.
>>
>>> Was disallowing curly brackets a choice or is it a bug?
>>
>> If your relaxed_header_parser is on, and Squid rejects URLs because they
>> have curly braces in the path, then this is a Squid bug.
>>
>> N.B. relaxed_header_parser is on by default.
> 
> I have no such option in my squid.conf, so it should be on.
> I added it just to be sure the default wasn't off for some reason, but
> it did not change.
> 
> So, should I file a bug on https://bugs.squid-cache.org?
> 

What is your "squid -v" output?

If --disable-http-violations is used then relaxed parser will not
include those "must never be transmitted in un-escaped form" (RFC 2396)
characters.


Amos