>to offer an option to use the DNS list to only check the connecting IP 
and
>not the header ones

simply configure asspto do it this way - 'enhancedOriginIPDetect'

Thomas




Von:    Grayhat <gray...@gmx.net>
An:     assp-user@lists.sourceforge.net
Datum:  22.04.2015 08:38
Betreff:        Re: [Assp-user] 0.0.0.0/8 IPs in header?



:: On Tue, 21 Apr 2015 18:11:35 +0200
::
<titc.65535f8615.of25b1858c.c7fc2a32-onc1257e2e.0058c6bd-c1257e2e.0058f...@thockar.com>
 
::
Thomas Eckardt <thomas.ecka...@thockar.com> wrote:

> At least assp should know that 0.x.x.x is nonroutable - it currently
> does NOT. This will be fixed in next build!
> Scott, this change will make 0.x.x.x obsolet in every IP address 
> definition !!!

Thomas, the problem is that, in some cases you may have some "bogon"
IPs knocking at your port; for such an issue one may use the DNS list
published by the CYMRU team, that is

http://www.team-cymru.org/bogon-reference.html

http://www.team-cymru.org/bogon-reference-dns.html

the problem is that, while this method is totally Ok to reject bogon
hosts (e.g. hijacked IP blocks and so on) it causes problems in case
the filter (ASSP in our case) uses the list to check "header IPs" and
not just the connecting one; so, I wonder if it may be the case to
offer an option to use the DNS list to only check the connecting IP and
not the header ones

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