Sysadmin Notes

I stumbled across an interesting problem… If you run a Tomcat SSL web server and have Chrome browsers as clients, you may see errors in Chrome. These errors are not the fault of Tomcat, but they are a bug in older versions of the Java JDK which Tomcat uses for SSL. Costin Manolache’s blog post [...]

Why are there two different Thawte Premium Server CA certificates out there? Thawte distributes one at their root certificates web site: Serial Number: 36 12 22 96 c5 e3 38 a5 20 a1 d2 5f 4c d7 09 54 Valid From: Wednesday, July 31, 1996 Valid to: Friday, January 01, 2021 Certificate SHA1 Fingerprint: e0 [...]