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Index: D
- daemons, tools for
: B.5. Daemons
- data
: 1.1.1. Your Data
- communications protocols
: (see TCP/IP)
- DNS
: 8.10.3. DNS Data
- mismatched
: 8.10.4.2. Mismatched data between the hostname and IP address DNS trees
- protecting from sniffers
: 10.1.2. Packet Sniffing
- theft of
: (see information theft)
- espionage
: 1.2.2.4. Spies (Industrial and Otherwise)
- transferring
- 6. Packet Filtering
- (see email; files, transferring)
- allowing/disallowing
: 6.1. Why Packet Filtering?
- via TCP
: 6.3.3.1. TCP
- user-specified, and proxying
: 7.4.4. User-Specified Data
- data-driven attacks
: 8.1. Electronic Mail
- datagrams
: C.5.1.1. The datagram
- fragmenting
: C.5.1.3. Fragmenting datagrams
- DCC (Direct Client Connections)
: 8.9.2. Internet Relay Chat (IRC)
- DDN (Defense Data Network)
: C.10. Internet Routing Architecture
- debugging
- 6.1.2.1. Current filtering tools are not perfect
- (see also bugs)
- operating system
: 5.8.1.2. Fix all known system bugs
- dedicated proxy servers
: 7.3.2. Generic Versus Dedicated Proxies
- default deny stance
- 3.5.1. Default Deny Stance: That Which Is Not Expressly Permitted Is Prohibited
- 6.2.3. Default Permit Versus Default Deny
- default permit stance
- 3.5.2. Default Permit Stance: That Which Is Not Expressly Prohibited Is Permitted
- 6.2.3. Default Permit Versus Default Deny
- Defense Data Network (DDN)
: C.10. Internet Routing Architecture
- defense in depth
- 3.2. Defense in Depth
- 9.1.4.2. Defense in depth
- 9.2.3.2. Defense in depth
- delivery agent, email
: 8.1. Electronic Mail
- Demilitarized Zone (DMZ)
: 4.1. Some Firewall Definitions
- denial of service
: 1.2.1.2. Denial of Service
- accidental
: 1.2.3. Stupidity and Accidents
- designing firewalls
: 1.4.3. Buying Versus Building
- destination unreachable codes
: (see ICMP)
- diagramming the system
: 13.5.2. Labeling and Diagraming Your System
- dictionary attacks
: 10.3.1. One-Time Passwords
- Direct Client Connections (DCC)
: 8.9.2. Internet Relay Chat (IRC)
- disabling Internet services
: 5.8.2. Disabling Nonrequired Services
- disabling routing
: (see routing, disabling)
- disconnecting after incident
: 13.1.2. Disconnect or Shut Down, as Appropriate
- disconnecting machine
: 13.4.3. Planning for Disconnecting or Shutting Down Machines
- disk space
: (see memory/disk space; resources)
- disks, needs for
: 5.3.3. What Hardware Configuration?
- diversity of defense systems
: 3.7. Diversity of Defense
- DMZ (Demilitarized Zone)
: 4.1. Some Firewall Definitions
- DNS (Domain Name Service)
- 2.9. Name Service
- 5.6. Selecting Services Provided by the Bastion Host
- configuring
: 8.10. Domain Name System (DNS)
- in screened host architecture
: 9.2.1.6. DNS
- in screened subnet architecture
: 9.1.1.6. DNS
- without hiding information
: 8.10.6. Setting up DNS Without Hiding Information
- data
: 8.10.3. DNS Data
- fake server
: 8.10.5.1. Set up a `fake' DNS server on the bastion host for the outside world to use
- hiding information with
: 8.10.5. Setting Up DNS to Hide Information
- revealing information to attackers
: 8.10.4.3. Revealing too much information to attackers
- server for internal hosts
: 8.10.5.2. Set up a real DNS server on an internal system for internal hosts to use
- documenting
- incidents
: 13.1.7. Document the Incident
- plan for
: 13.4.7. Planning for Documentation
- system after incident
- 13.1.5. Snapshot the System
- 13.4.5. Planning for Snapshots
- Domain Name Service
: (see DNS)
- dot (.) files, disabling creation of
: 8.2.1.6. Be careful of writable directories in the anonymous FTP area
- double-reverse lookups
- 8.10.4.2. Mismatched data between the hostname and IP address DNS trees
- 8.10.5.1. Set up a `fake' DNS server on the bastion host for the outside world to use
- Drawbridge package
: B.3.2. Drawbridge
- dual-homed hosts
- 7. Proxy Systems
- (see also proxy services)
- architecture of
: 4.2.1. Dual-Homed Host Architecture
- with screen subnet architecture
: 4.3.8. It's OK to Use Dual-Homed Hosts and Screened Subnets
- as firewall
: 5.8.2.5. Turning off routing
- nonrouting
: 5.2.1. Nonrouting Dual-homed Hosts
- proxy services and
: (see proxy services)
- dynamic packet filtering
: 6.3.3.2. UDP
- FTP and
: 8.2.1.1. Packet filtering characteristics of FTP
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