On Wed, Dec 14, 2011 at 3:51 AM, babu dheen wrote:
> In this case, do you think that internal users trying to send emails
> directly to internet?
>
> Email delivery is taken care by Email Gateway device, obviously, DKIM
> verification (if enabled) can only be done by Email gateway of my
> company
At 03:51 14-12-2011, babu dheen wrote:
In this case, do you think that internal users trying to send emails
directly to internet?
No.
Email delivery is taken care by Email Gateway device, obviously,
DKIM verification (if enabled) can only be done by Email gateway of
my company... How does in
On 14.12.11 17:21, babu dheen wrote:
In this case, do you think that internal users trying to send emails
directly to internet?
Maybe, maybe not. DNS queries can come from many other applications.
Email delivery is taken care by Email Gateway device, obviously, DKIM
verification (if enabled)
Hi there,
On Wed, 14 Dec 2011 babu dheen wrote:
> Can you tell me list of URL which size exceed 514 bytes to verify
> whether my internal server truncate/return failure code when query
> such URL using UDP query?
You really ought to be able to do this for yourself.
Find any domain using DNSSEC
the TXT record in DNS ?
Can you tell me list of URL which size exceed 514 bytes to verify whether my
internal server truncate/return failure code when query such URL using UDP
query?
Regards
Babu
--- On Tue, 13/12/11, SM wrote:
From: SM
Subject: Re: Suspecious DNS queries dropped by
At 04:46 13-12-2011, babu dheen wrote:
In what situation, DNS packet size can exceed more than 512
bytes. In fact, my gateway
DNS TXT records used for DKIM, for example.
Regards,
-sm
___
Please visit https://lists.isc.org/mailman/listinfo/bind-us
ly not use EDNS.
Overview of EDNS:
https://en.wikipedia.org/wiki/Extension_mechanisms_for_DNS
-James Keller
--- On *Tue, 13/12/11, Anand Buddhdev //* wrote:
From: Anand Buddhdev
Subject: Re: Suspecious DNS queries dropped by Firewall
To: "babu dheen"
Cc: bind
On 13/12/11 12:46, babu dheen wrote:
Dear Anand,
In what situation, DNS packet size can exceed more than 512 bytes. In
This has been discussed many times in the list and elsewhere. There's no
need to re-iterate it again.
DNS packets >512 bytes are legal. You should permit them.
In this cas
wrote:
From: Anand Buddhdev
Subject: Re: Suspecious DNS queries dropped by Firewall
To: "babu dheen"
Cc: bind-users@lists.isc.org
Date: Tuesday, 13 December, 2011, 5:39 PM
On 13/12/2011 13:04, babu dheen wrote:
> Hi,
>
> Our company users are using internal DNS servers
On 13/12/2011 13:04, babu dheen wrote:
> Hi,
>
> Our company users are using internal DNS servers for name resolution
> and internal DNS servers are configured to forward the DNS query to
> company gateway DNS servers for external queries
>
> User --> internal DNS server ---> gateway DNS server
Hi,
Our company users are using internal DNS servers for name resolution and
internal DNS servers are configured to forward the DNS query to company gateway
DNS servers for external queries
User --> internal DNS server ---> gateway DNS server ---> internet
But when i look at the fire
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