[squid-users] Problems with squid 3.5.1

[FredB]

> 
> 
> @FrebB:
> I really don't know what identification helper is (I'm not a squid
> guru, please explain or drop a link).
> I'm on firefox 31.4.0esr (slackware linux 13.1).
> 


I mean Authentication from Squid, a pop-up with account (login and password)


> @Eliezer:
> As FredB said, the issue comes up randomly for both http and https
> sites (fun fact: if I try to reload a couple of times the website
> after receiveing the "cannot connect to proxy" page, the site loads
> normally).
> 


Yes me too, and hard to investigate it's a random problem