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Chapter 7 Ongoing System Management 13 5
Changing the DNS name of the directory server requires that all bound machines be
rebound to the new directory name and address.
If you have set up a Kerberos environment, the Kerberos realm does not change when
the hostname is changed.
Firewall
Changing the IP address of the Firewall can signicantly alter the eectiveness of the
service. In Mac OS X Server v10.6, IP rewall rules are stored and referenced as address
groups. A change to the IP address of the rewall server might prevent trac to the
address groups from being routed, and therefore none of the specic rewall rules
would be applied.
Check all rewall rules when changing the IP address of the rewall server.
Mobile Access (Proxy Services)
Most proxy services should remain relatively unaected by a change to IP address or
domain name. If you have edited the com.apple.securityproxy_mail.plist manually to
have the proxy server connect to itself for some service by some other address than
the link-local address (127.0.0.1 or localhost), you must change it manually again.
However, proxy services are aected if the IP address or DNS name of the destination
servers changes. If you change a proxied services’ name or address, you must
recongure Proxy Service.
If you congured an HTTP Secure Proxy virtual host, you must delete and re-create the
proxy mappings of any proxied servers.
NAT
NAT should not be aected by a change to the server’s IP address or DNS name.
All clients behind the NAT server still have contact with the NAT router by the internal
IP address. If you made manual modications to the NAT service conguration les,
make sure those changes are compatible with the new IP address or DNS name.
NetBoot
NetBoot does not require reconguration after changing the IP address or DNS name.
However, all clients that use it must reselect the server after the changes.
RADIUS
If you change the RADIUS server IP address, you might need to check or recongure
the IP addresses of the associated base stations. Additionally, if you’re using SSL
certicates, you must regenerate or repurchase the certicates. You must use Server
Admin to import the new certicates, and then congure the service’s new certicate.