Arun Khan wrote: > I have a client project to implement PCI/DSS compliance. > > The PCI/DSS auditor has stipulated that the web server, application > middleware (tomcat), the db server have to be on different systems. > In addition the auditor has also stipulated that there be a NTP > server, a "patch" server, > > The Host OS on all of the above nodes will be CentOS 6.2. > > Below is a list of things that would be necessary. > > 1. Digital Certificates for each host on the PCI/DSS segment > 2. SELinux on each Linux host in the PCI/DSS network segment > 3. Tripwire/AIDE on each Linux host in the PCI/DSS segment > 4. OS hardening scripts (e.g. Bastille Linux) > 5. Firewall > 6. IDS (Snort) > 6. Central “syslog” server > > However, beyond this I would appreciate any comments/feedback / <snip> I had a short-term contract with a company that a) did managed security, and b) was a root CA. I *think* the auditor missed one thing: as I understand it, if the three servers aren't hardwired to each other, *all* communications must be encrypted between them. mark