The certificates purchased from Comodo/GTE Cybertrust are inexpensive and have worked well for us on Red Hat Enterprise Linux/Apache servers. They may be ordered for up to five years from AIS: https://certificate.ais.msu.edu/ On 10-09-2008 9:34 AM, Clifford Beckett wrote: > Hello NAG > What are the recommendations for campus website security > certificates? I have a free ipsca certificate from certs.ipsca.com > for www.obl.msu.edu that is about to expire. I don't know if they > will renew it for free. Cliff >