Alias short hostname resolution does not work 8.1
3 years ago
Originally Published: 2015-06-08
Article Number
000059388
Applies To
RSA Product Set: SecurID
RSA Product/Service Type: Authentication Manager
RSA Version/Condition: 8.1.0
RSA Version/Condition: 8.1 and above
 
Issue
You can no longer resolve network addresses based upon short hostnames in 8.1 as you used to in 8.0.
Cause
The way search domains are populated in resolv.conf has been changed since the release of 8.0 as the configure network settings script has been changed from configureNetwork.sh to configureNetwork.py. Since then, the search domain are populated in separate lines. Due to this, short host name resolution only works for some suffixes.
Resolution
Defect AM-29215 has been created for this. This fix is being targeted for 8.1 SP1 P06.
Workaround
If you edit the resolv.conf so all suffixes are stored on the same line separated with a space, like they were in 8.0, short hostname resolution works.

8.1 and above:
resolv.conf
domain am.rsasvcs.lab.emc.com
nameserver 10.101.64.40
nameserver 10.101.64.41
search emc.com 
search corp.emc.com 
search am.rsasvcs.lab.emc.com 
search na.rsa.net

8.0: resolv.conf
domain am.rsasvcs.lab.emc.com
search emc.com corp.emc.com am.rsasvcs.lab.emc.com na.rsa.net
nameserver 10.101.64.40
nameserver 10.101.64.41

This has to be done for all servers.

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