Le 11/01/2011 22:07, Mark Martinec a écrit :
>> Consider for a moment how hard it would be for an average spammer to
>> spoof rDNS
>
> This has nothing to do with DNS. The trusted/internal/msa networks
> only checks an IP address as it stands in an Received header field,
> it does not check nor de
On Tue, 2011-01-11 at 22:07 +0100, Mark Martinec wrote:
> > Consider for a moment how hard it would be for an average spammer to
> > spoof rDNS
>
> This has nothing to do with DNS. The trusted/internal/msa networks
> only checks an IP address as it stands in an Received header field,
> it does not
> Consider for a moment how hard it would be for an average spammer to
> spoof rDNS
This has nothing to do with DNS. The trusted/internal/msa networks
only checks an IP address as it stands in an Received header field,
it does not check nor depend on its rDNS or forward DNS.
Mark
Adam Moffett wrote:
Right, it's kind of difficult to fake your source IP in a TCP session.
But if I read the manual correctly the whitelist_from_rcvd that he's
asking about does lookups on hosts in the "Received-from: " headers in
the message.which would be trivial to fake.
Not really. San
On Tue, 2011-01-11 at 15:33 -0500, Adam Moffett wrote:
> Right, it's kind of difficult to fake your source IP in a TCP session.
> But if I read the manual correctly the whitelist_from_rcvd that he's
> asking about does lookups on hosts in the "Received-from: " headers in
> the message.which
On 01/11/2011 03:33 PM, Adam Moffett wrote:
On 01/11/2011 03:24 PM, Jari Fredriksson wrote:
On 11.1.2011 21:24, Mauricio Tavares wrote:
Am I correct? What would stop someone from trying to fake the
originating IP to fit the ones in the above list?
If I am not mistaken, the IP protocol and SMTP
On 01/11/2011 03:24 PM, Jari Fredriksson wrote:
On 11.1.2011 21:24, Mauricio Tavares wrote:
Am I correct? What would stop someone from trying to fake the
originating IP to fit the ones in the above list?
If I am not mistaken, the IP protocol and SMTP. Someone might fake the
address when sending
On 11.1.2011 21:24, Mauricio Tavares wrote:
> Am I correct? What would stop someone from trying to fake the
> originating IP to fit the ones in the above list?
If I am not mistaken, the IP protocol and SMTP. Someone might fake the
address when sending to you MTA, but your MTA's response would go t
Mauricio,
> I want to use whitelist_from_rcvd, so I am trying to understand
> TrustPAth. If you had your MTA outside of your LAN (outside IP LANIP,
> internal subnet LANSUB) with its own public IP (say MAILIP), would you have
>
> internal_networks = MAILIP LANIP LANSUB
> trusted_networks = MAILIP
I want to use whitelist_from_rcvd, so I am trying to understand
TrustPAth. If you had your MTA outside of your LAN (outside IP LANIP,
internal subnet LANSUB) with its own public IP (say MAILIP), would you have
internal_networks = MAILIP LANIP LANSUB
trusted_networks = MAILIP LANIP LANSUB (+ ot
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