Looks like it's hosted by Akamai, which might explain why you can't get an
answer from the folks running the course.
From: Damien Solodow [mailto:damien.solo...@harrison.edu]
Sent: Tuesday, August 30, 2011 8:51 AM
To: NT System Admin Issues
Subject: Re: How to determine a host's IP range
Do
an impasse.
Shane
-Original Message-
From: John Aldrich [mailto:jaldr...@blueridgecarpet.com]
Sent: Tuesday, August 30, 2011 9:26 AM
To: NT System Admin Issues
Subject: RE: How to determine a host's IP range
Looks like it's hosted by Akamai, which might explain why you can't get
On Tue, Aug 30, 2011 at 9:26 AM, Thomas Mullins
tsmull...@wise.k12.va.us wrote:
dig +short txt_netblocks.pearsoncmg.com There were no results
returned.
Where did txt_netblocks.pearsoncmg.com come from? That doesn't
appear to be an existent domain name. It's even questionable
to determine a host's IP range
Looks like it's hosted by Akamai, which might explain why you can't get an
answer from the folks running the course.
From: Damien Solodow [mailto:damien.solo...@harrison.edu]
Sent: Tuesday, August 30, 2011 8:51 AM
To: NT System Admin Issues
Subject: Re: How
Our web filter is a Barracuda, and does not have an option for the domain name.
Shane
-Original Message-
From: Richard Stovall [mailto:rich...@gmail.com]
Sent: Tuesday, August 30, 2011 9:51 AM
To: NT System Admin Issues
Subject: Re: How to determine a host's IP range
I don't know
...@gmail.com]
Sent: Tuesday, August 30, 2011 9:49 AM
To: NT System Admin Issues
Subject: Re: How to determine a host's IP range
On Tue, Aug 30, 2011 at 9:26 AM, Thomas Mullins tsmull...@wise.k12.va.us
wrote:
dig +short txt_netblocks.pearsoncmg.com There were no results
returned
On Tue, Aug 30, 2011 at 9:50 AM, Richard Stovall rich...@gmail.com wrote:
I don't know about other firewalls, but recent SonicWalls allow you to
create network objects based on FQDN and then use those objects in
your rules.
How does that cope with a CDN which might generate different IP
On Tue, Aug 30, 2011 at 10:51 AM, Thomas Mullins
tsmull...@wise.k12.va.us wrote:
dig +noall +ans ANY media.pearsoncmg.com. @ns.pearsoncmg.com.
I am going to read and learn how to use dig.
The two important parts were:
* The ANY directive, which tells dig to query for any known DNS
records.
On my SonicWall, if a create a rule for media.pearsoncmg.com, I can
write rules which allow or deny access no matter the underlying ip.
Here's the definition SonicWall uses to describe ther FQDN network
object.
FQDN Address Objects are resolved using the DNS servers configured on
the SonicWALL in
That should have been ...if I create a network object for
media.pearsoncmg.com...
On Tue, Aug 30, 2011 at 11:54 AM, Richard Stovall rich...@gmail.com wrote:
On my SonicWall, if a create a rule for media.pearsoncmg.com, I can
write rules which allow or deny access no matter the underlying ip.
what about using this as a solution:
http://www.akamai.com/html/misc/akamai_client/netsession_interface_faq.html
Richard Stovall wrote:
That should have been ...if I create a network object for
media.pearsoncmg.com...
On Tue, Aug 30, 2011 at 11:54 AM, Richard Stovall rich...@gmail.com wrote:
On Tue, Aug 30, 2011 at 11:54 AM, Richard Stovall rich...@gmail.com wrote:
On my SonicWall, if a create a rule for media.pearsoncmg.com, I can
write rules which allow or deny access no matter the underlying ip.
There's no intrinsic relationship between an IP address and a DNS
name. From
Subject: Re: How to determine a host's IP range
On Tue, Aug 30, 2011 at 11:54 AM, Richard Stovall rich...@gmail.com wrote:
On my SonicWall, if a create a rule for media.pearsoncmg.com, I can
write rules which allow or deny access no matter the underlying ip.
There's no intrinsic relationship
On Tue, Aug 30, 2011 at 5:49 PM, Crawford, Scott crawfo...@evangel.edu wrote:
From their description, what that does is look up
the name to IP address(es), and then uses that to drive the
firewall rule. Which is useful, don't get me wrong, but if the
CDN varies the IP address (as some of them
Subject: Re: How to determine a host's IP range
On Tue, Aug 30, 2011 at 5:49 PM, Crawford, Scott crawfo...@evangel.edu wrote:
From their description, what that does is look up the name to IP
address(es), and then uses that to drive the firewall rule. Which is
useful, don't get me wrong
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