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Websphere 6.1 administrative security + self signed certificates

I installed websphere 6.1 and chose the default "enable administrative security". Once I finished my installation, I noticed I could not login under https://localhost:9043/admin/console. I got a message about a certificate not being trusted.


First I discovered, that I had renamed my machine, but that /etc/hosts still had old entries for 127.0.0.1. Because of that, my node and cell names were still deduced from the old machine name.
I fixed that and reinstalled.


At login I got the failure: invalid security certificate.
My browser did not trust the self signed certificate that the websphere server uses.


I did following to fix that:
  • In /bin, started keyman: sudo ./ikeyman.sh
  • Opened jks file under profiles/AppSrv01/etc/DummyClientTrustFile.jks, password is WebAS.
  • there I looked up the default_signer, and selected the extract option. I exported cert.arm as base64 ascii.
  • under firefox, preferences, advanced, view certificates I imported the CA certificate
  • I restarted firefox.
The url with localhost still did not work, but when I replaced localhost by the machine name, I got access to my adminconsole.


Small remark: the self signed certificate websphere generated is valid for a year. The certificate itself probably too.

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