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Use alias instead of the real server name


Shimon Nir (24715) | asked Jan 18 '13, 7:00 a.m.
retagged Jan 18 '13, 9:27 a.m. by Max Bridges (24126)
I wish to use alias instead of the real server name so that in the case the name changes, all we need to do is to change the Alias file to accommodate the new real name. Is it possible ? Thanks

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Guido Schneider (3.4k1381109) | answered Jan 18 '13, 7:38 a.m.
edited Jan 18 '13, 7:41 a.m.

This is not only possible. This is an absolutly recommended practice. More or less a MUST.

define a CName in DNS which is populated to the whole company.

e.g.:
ip1    hostname1.intranet.net   jazz1.company.com

Use this new alias as your stable URI. Order a official WEB certificate for usage on the Webserver SSL port.

Use a reverse proxy bteween your Webfrontendserver and your application server to redirect the HTTPS standard port (443) to the application port (e.g. 9443)

Between the IHS plugin and the WAS you can use the selfsigned certificate. There you don't need an official one. You can extend the lifetime of the selfsigned certuificate up to 15 years, on this internal link. But it has to be https, also on a single host.

e.g.
client -->> https://jazz1.company.com/contextroot on IHS port 443 -->> IHS plugin -->> https://hostname1.intranet.net:9443/contextroot on WAS port 9443

Do exactly the same for your DB server. also if the DB server is on the same machine as the applicaation server.

e.g.:
ip1    hostname1.intranet.net   jazz1.company.com   db1.jazz.company.com

    or

ip1   hostname1.intranet.net   jazz1.company.com
ip2   hostname2.intranet.net   db1.jazz.company.com

Do all DB calls with help of this Alias.

Shimon Nir selected this answer as the correct answer

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Stephane Leroy (1.4k149) | answered Jan 18 '13, 9:33 a.m.
JAZZ DEVELOPER
Hi Shimon,
from a general perspective, note that the process to decide when or when not to use Jazz server rename  is discussed in this article : https://jazz.net/library/article/1081
Regards,
St├ęphane

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Shimon Nir (24715) | answered Jan 18 '13, 10:49 a.m.
Thought so. Just wanted to be sure

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