This site and some of its services are accessible via encrypted connections using the https protocol. The encryption keys have been signed by Langbein.org as Certification Authority for simplicity of maintaining the server certificates. Note that the emphasis of using SSL on these sites is encryption and not trust. The root CA certificate, the certificate revocation list and the issued certificates are available below. In order to trust the certificates signed by Langbein.org, download and install the root CA certificate below in your browser.
Root CA Certificate
Certificate Revocation List
Issued Certificates
- svn.langbein.org #01: valid from 13/OCT/05 to 13/OCT/06, REVOKED
- ogo.langbein.org #02: valid from 13/OCT/05 to 13/OCT/06, REVOKED
- www.langbein.org #03: valid from 13/OCT/05 to 13/OCT/06, REVOKED
- post.langbein.org #04: valid from 13/OCT/05 to 13/OCT/06, REVOKED
- cyl.cs.cf.ac.uk #05: valid from 13/OCT/05 to 13/OCT/06, REVOKED
- lie.cs.cf.ac.uk #06: valid from 02/DEC/05 to 02/DEC/06, REVOKED
- x=10z #07: valid from 16/APR/06 to 16/APR/07, REVOKED
- www.abyss.dark #08: valid from 16/APR/06 to 16/APR/07, REVOKED
- svn.astarte.org #09: valid from 17/AUG/06 to 17/AUG/07, REVOKED
- www.langbein.org #0A: valid from 11/OCT/06 to 11/OCT/07, REVOKED
- *.langbein.org #0B: valid from 14/OCT/06 to 14/OCT/07
- *.org #0C: valid from 14/OCT/06 to 14/OCT/07
- *.dark #0D: valid from 14/OCT/06 to 14/OCT/07
- IMAP langbein.org #0E: valid from 04/DEC/06 to 04/DEC/07
- IMAP xis10z.homelinux.org #0F: valid from 13/JAN/07 to 13/JAN/08
- hel.cs.cf.ac.uk #10: valid from 19/JAN/07 to 18/JAN/12
- cyl.cs.cf.ac.uk #11: valid from 19/JAN/07 to 18/JAN/12
- lie.cs.cf.ac.uk #12: valid from 19/JAN/07 to 18/JAN/12
- xis10z.homelinux.org #13: valid from 20/JAN/07 to 19/JAN/12
- ishtar.cs.cf.ac.uk #14: valid from 14/JUN/07 to 12/JUN/12
