Re: Squid3: icmp_sock: (97) Address family not supported by protocol / pinger: Unable to start ICMPv6 pinger

"Eliezer Croitoru" <eliezer@xxxxxxxxxxxx> · Thu, 23 Jun 2016 10:54:41 +0300

Hey,

Pinger is not a must but a luxury piece of software.
It will make your and others life easier but you can avoid it playing with the configuration option:
http://www.squid-cache.org/Doc/config/pinger_enable/

And if you have disabled ipv6 in some way it would be probably wise to start thinking about just enabling it if not using it.
Since you have compiled squid by yourself(right?) then you need to disable ipv6 in the squid flags.
I do not think it's a very good idea these days but you are the user\admin\client.

All The Bests,
Eliezer

----
Eliezer Croitoru
Linux System Administrator
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Email: eliezer@xxxxxxxxxxxx

From: squid-users [mailto:squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Alejandro Cabrera Obed
Sent: Thursday, June 23, 2016 3:45 AM
To: squid-users@xxxxxxxxxxxxxxxxxxxxx
Subject: Re:  Squid3: icmp_sock: (97) Address family not supported by protocol / pinger: Unable to start ICMPv6 pinger

I notice that I've comnpiled squid3 with --enable-icmp but I don't need thsi option because I don't work eith parent caches.

So I will try to reconfigure squid3 withouth the ICMP option (no pinger at all), and I expect not to see any IPv6 warning.

Regards,

2016-06-22 21:29 GMT-03:00 Alejandro Cabrera Obed <aco1967@xxxxxxxxx>:
I can't see anything about IPv6:

cat /etc/default/networking:

# Configuration for networking init script being run during
# the boot sequence

# Set to 'no' to skip interfaces configuration on boot
#CONFIGURE_INTERFACES=yes

# Don't configure these interfaces. Shell wildcards supported/
#EXCLUDE_INTERFACES=

# Set to 'yes' to enable additional verbosity
#VERBOSE=no

cat /etc/network/interfaces:

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*    (this path is empty)

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet static
        address x.x.x.x
        netmask 255.255.252.0
        network x.x.x.x
        broadcast x.x.x.x
        gateway x.x.x.x
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers x.x.x.x

2016-06-22 20:37 GMT-03:00 Antony Stone <Antony.Stone@xxxxxxxxxxxxxxxxxxxx>:
On Thursday 23 June 2016 at 01:22:45, Alejandro Cabrera Obed wrote:

> #ifconfig
>
> eth0      Link encap:Ethernet  HWaddr 00:50:53:b2:6e:88
>           inet addr:10.17.133.114  Bcast:10.17.135.255  Mask:255.255.252.0
>
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0

Well, that certainly confirms that IPv6 is disabled on your machine (from the
lack of lines such as "inet6 addr:").

You say "I haven't disabled the IPv6 protocol, no references in
/etc/default/grub neither in systcl asociated file."

Something (or someone) has certainly disabled IPv6 on this machine, though.

What are the outputs from:

        grep -v ^# /etc/default/networking

        cat /etc/network/interfaces

?

Antony.

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