Security and privacy measures
External Internet link
- Receive-only device driver
- No IP address on network interface
Internal T1 link
- Intranet routers enforce access from only two AT&T hosts
- Monitor only accepts encrypted and authenticated login sessions
POTS links
- Enabled only if T1 link goes down
- Three levels of password protection
- Dialback protection
Packet traces
- Encrypt IP addresses as packets come off the wire
- Keep only encrypted IP addresses