[squid-users] squidclient can't connect to localhost

[Amos Jeffries]

On 18/01/2016 11:13 p.m., Henri Wahl wrote:
> Hi list,
> Since I upgraded the OS to CentOS 7.2 and Squid to 3.5.12 (RPM from
> www1.ngtech.co.il the local squidclient gets no answer if pointed to
> localhost:
> 
> # squidclient -v -p 3128 mgr:info
> Request:
> GET cache_object://localhost/info HTTP/1.0
> Host: localhost
> User-Agent: squidclient/3.5.12
> Accept: */*
> Connection: close
> 
> 
> .
> ERROR: Cannot connect to [::1]:3128
> 

That one is of course because there is no Squid listenign for traffic on
[::1]:3128.

> 
> Same with IPv4:
> 
> # squidclient -v -h 127.0.0.1 -p 3128  mgr:info
> 
> Request:
> GET cache_object://127.0.0.1/info HTTP/1.0
> Host: 127.0.0.1
> User-Agent: squidclient/3.5.12
> Accept: */*
> Connection: close
> 
> 
> .
> 

So whats preventing the IPv4 TCP connect() getting through?


> 
> Even there it is strange that it does not listen anymore on IPv6 even if
> there was no change in the config file. The relevant part looks like this:
> 
> http_port 0.0.0.0:3128
> http_port [::]:3128
> http_port [::1]:3128
> 

So what is Squid logging during startup/reconfigure about that IPv6 port ?

Amos