sudo update-ca-certificates は常に新しい証明書を追加します。

sudo update-ca-certificates は常に新しい証明書を追加します。

Debian 8 で sudo update-ca-certificates を実行すると、常に新しい証明書が追加されます。これは正常な行動ですか?質問がありますか?

ar@work:/tmp$ sudo update-ca-certificates 
Updating certificates in /etc/ssl/certs...
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...

done.
Updating Mono key store
Linux Cert Store Sync - version 4.2.1.0
Synchronize local certs with certs from local Linux trust store.
Copyright 2002, 2003 Motus Technologies. Copyright 2004-2008 Novell. BSD licensed.

I already trust 174, your new list has 175
Certificate added: C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Certification Authority
1 new root certificates were added to your trust store.
Import process completed.
Done
done.
ar@work:/tmp$ sudo update-ca-certificates 
Updating certificates in /etc/ssl/certs...
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...

done.
Updating Mono key store
Linux Cert Store Sync - version 4.2.1.0
Synchronize local certs with certs from local Linux trust store.
Copyright 2002, 2003 Motus Technologies. Copyright 2004-2008 Novell. BSD licensed.

I already trust 174, your new list has 175
Certificate added: C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Certification Authority
1 new root certificates were added to your trust store.
Import process completed.
Done
done.
ar@work:/tmp$ 

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