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Re: IPv6 and syntax?

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On 16.05.2015 10:13, Amos Jeffries wrote:
On 16/05/2015 6:22 p.m., Walter H. wrote:
On 16.05.2015 01:41, Amos Jeffries wrote:
On 16/05/2015 6:14 a.m., Walter H. wrote:
Hello,

is IPv6 somewhat similar to IPv4?
Somewhat, yes.
I just wondered because of the "different" behaviour;
e.g.

I would write

acl block_ipv4_range dst  84.84.84.0/24
deny_info errorpage block_ipv4_range
http_access deny block_ipv4_range

to block any hosts within this IPv4 range
Taking a step asside, that is not quite what those rules do. They block
access from anywhere *to* the IP address range (TCP/IP packet
destination on the request messages).

yes this should be the intention, that you get an error (in this case
the errorpage) when
you have e.g.  http://84.84.84.2/ or https://84.84.84.2/ as URL in your
browser ...
It will block that, and any domain name which resolves to those IPs.

yes, that is the intention;

I would have done it this way:

acl block_whole_network dst_as 4837
deny_info errorpage block_whole_network
http_access deny block_whole_network

but this crashes squid ...

as workaround I've got a file listing any range for one AS number
and doing this:

acl block_as4837 dst "block-as4837-acl.squid"

and one of these files has more than 600(!) entries ...

does it seem to be problematic, when having an TLS-server with an IPv6
address only without DNS, because of the comm name?
That is a different issue entirely.
yes and hoping no browser ever will accept a common name of just '*'
Going by that description it seems Firefox and Chrome are a bit broken.
IE, too;

Walter

<<attachment: smime.p7s>>

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