Index

D

dashboard 49, 51, 221

Data Encryption Standard, see DES Data Terminal Ready, see DTR date 811

daylight savings 812

DDNS 407

backup mail exchanger 412 configuration overview 103 mail exchanger 412 prerequisites 103 service providers 407 status 248 troubleshooting 902

DDoS attacks 600

Dead Peer Detection, see DPD decompression of files (in anti-virus) 580 default

firewall behavior 450 interfaces and zones 94 LAN IP address 33 login settings 915 port mapping 33

default SNAT 99, 369 default trunk 369 default WAN trunk 98

Default_L2TP_VPN_Connection 544 Default_L2TP_VPN_GW 544 Denial of Service (DoS) attacks 600 Denial of Service (Dos) attacks 474 DES 497

device access troubleshooting 895

device HA 693 active-passive mode 693, 696 cluster ID 696, 908 configuration overview 109 copying configuration 694 device role 699

HA status 696 legacy mode 693, 703 link monitoring 703 management access 694 management IP address 694 modes 693

monitored interfaces 697, 701 password 701 prerequisites 109

role 705 synchronization 694, 713 synchronization password 701, 705 synchronization port number 700, 705 troubleshooting 908, 909

tutorial 175 virtual router 696

virtual router and management IP addresses

697 VRID 705

device High Availability see device HA 693 device introduction 33

DHCP 360, 810

and DNS servers 361 and domain name 810 and interfaces 360 client list 231

pool 361

static DHCP 361 DHCP table 231 diagnostics 112, 885

dial backup 290

dial backup port and dial-in management 853 DIAL BACKUP port 354

See also auxiliary interface. dial-in management

answer rings 854

AT command strings 853 Dial string 853

DTR 853

initial string 855 mute 854

port speed 855 response strings 854

dial-in server 854

Differentiated Services Code Point (DSCP) 607 Diffie-Hellman key group 497

DiffServ 385

Digital Signature Algorithm public-key algorithm, see DSA

direct routes 377 direct-connected subnets 97 directory 749

directory service 749

 

1101

ZyWALL USG 300 User’s Guide