Change public ip address

[Cardal]

Hello,

I changed the public ip address in my internal
dns server's www entry I received from my isp. After
making the ip change I cleared the cache on the forwarding
zone. I can get to all web sites now, but our own
company website. On the lan clients if I use the
public dns ip address I can get to our website.
If I use the internal dns ip address with the new
public www address I can not access our website.
Any suggestions would be great.

Cardal

 

[Roland Hall]

:
: I changed the public ip address in my internal
: dns server's www entry I received from my isp. After
: making the ip change I cleared the cache on the forwarding
: zone. I can get to all web sites now, but our own
: company website. On the lan clients if I use the
: public dns ip address I can get to our website.
: If I use the internal dns ip address with the new
: public www address I can not access our website.
: Any suggestions would be great.

Internal computers use internal DNS.
External computers use external DNS.

You can set a forwarder to your ISPs DNS servers but do not use this
anywhere else in your internal network. If your external and internal DNS
domains are the same, then you need to add an entry into your internal DNS
zone to point to the public address. Users, internally will have to specify
a host or alias to get there.

Ex.
external DNS domain: domain.com
internal DNS domain: domain.com

Added to internal DNS zone:
www.domain.com x.x.x.x <- public IP address of web site

If there is a blank record in the external DNS (ISPs DNS), that points to
the web server then anyone outside your internal network can use domain.com
to get to the web site. Or they can also use, if www is an alias,
www.domain.com, like the internal users have to. This assumes, as I stated
above, that you have an entry in your zone for your external web site of
www.

HTH...

--
Roland Hall
/* This information is distributed in the hope that it will be useful, but
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Online Support for IT Professionals -
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How-to: Windows 2000 DNS:
http://support.microsoft.com/default.aspx?scid=kb;EN-US;308201

 

[Roland Hall]

:
: "Cardal" wrote:
: : I changed the public ip address in my internal
: : dns server's www entry I received from my isp. After
: : making the ip change I cleared the cache on the forwarding
: : zone. I can get to all web sites now, but our own
: : company website. On the lan clients if I use the
: : public dns ip address I can get to our website.
: : If I use the internal dns ip address with the new
: : public www address I can not access our website.
: : Any suggestions would be great.
:
: Internal computers use internal DNS.
: External computers use external DNS.
:
: You can set a forwarder to your ISPs DNS servers but do not use this
: anywhere else in your internal network. If your external and internal DNS
: domains are the same, then you need to add an entry into your internal DNS
: zone to point to the public address. Users, internally will have to
specify
: a host or alias to get there.
:
: Ex.
: external DNS domain: domain.com
: internal DNS domain: domain.com
:
: Added to internal DNS zone:
: www.domain.com x.x.x.x <- public IP address of web site
:
: If there is a blank record in the external DNS (ISPs DNS), that points to
: the web server then anyone outside your internal network can use
domain.com
: to get to the web site. Or they can also use, if www is an alias,
: www.domain.com, like the internal users have to. This assumes, as I
stated
: above, that you have an entry in your zone for your external web site of
: www.


Cardal...

I just saw you multiposted in m.p.win2000.networking. Please do not
multipost. If you want to ask your question to multiple groups, the
crosspost by putting in both NGs in the newsgroups list, separated with
commas.