Sometimes you need to SSH to a server, but port 22 is blocked by a firewall in your path. Typically in these situations you can set sshd service to listen on port 443, and bypass the firewalls, which are generally open on this port. But what if the same machine is also hosting your websites, which need to listen on port 443 for HTTPS traffic? Do you have to choose one or the other – your website running secure or your machine being accessible from behind firewalls? Read more… Accepting SSL and SSH traffic on the same port with sslh

A problem you may have come across is your Weblogic or Websphere server complaining that the Entrust SSL certificate is missing the field Basic Constraints.  It may have shown up as Java exceptions, or errors with messages about certificate chains received from a website missing the basic constraints extension.  Here are some examples:

[Security:090548]The certificate chain received from www.example.com - 10.100.10.100 contained a V3 CA certificate which was missing the basic constraints extension

Read more… Weblogic and Websphere Missing “Basic Constraints” with Entrust SSL Certificates