ZyXEL Communications VPN Series - Page 980

Index
ZyWALL/USG Series User’s Guide
983
HTTP
over SSL, see HTTPS
redirect to HTTPS 842
vs HTTPS 840
HTTP redirect
and application patrol 396
and interfaces 400
and policy routes 396, 397
and security policy 396
packet flow 396
troubleshooting 934
HTTPS 840
and certificates 840
authenticating clients 840
avoiding warning messages 850
example 849
vs HTTP 840
with Internet Explorer 849
with Netscape Navigator 849
hub-and-spoke VPN, see VPN concentrator
HyperText Transfer Protocol over Secure Socket
Layer, see HTTPS
I
ICMP 774
code 661
sequence number 661
type 661
identification (IP) 660
identifying
legitimate e-mail 680
spam 680
IDP 643
action 528, 648, 650, 702
alerts 648, 649, 701
applying custom signatures 664
base profiles 645
custom signature example 662
custom signatures 655
false negatives 646
false positives 646
inline profile 646
log options 525, 529, 648, 649, 650, 701, 702
monitor profile 646
packet inspection profiles 646
packet inspection signatures 646
query view 648, 650
registration status 645
reject sender 528, 648, 650, 702
reject-both 528, 648, 650, 702
reject-receiver 528, 648, 650, 702
service group 652
severity 649
signature ID 650
, 702
signatures 643
signatures and synchronization (Device HA) 722
Snort signatures 666
statistics 218
troubleshooting 929, 933
troubleshooting signatures update 929
updating signatures 239
verifying custom signatures 665
IEEE 802.1q VLAN
IEEE 802.1q. See VLAN.
IEEE 802.1x 741
IHL (IP Header Length) 656
IKE SA
aggressive mode 561, 564
and certificates 565
and RADIUS 565
and to-ZyWALL security policy 935
authentication algorithms 561, 562
content 563
Dead Peer Detection (DPD) 554
Diffie-Hellman key group 562
encryption algorithms 561, 562
extended authentication 565
ID type 563
IP address, remote IPSec router 561
IP address, Zyxel device 561
local identity 563
main mode 561, 564
NAT traversal 565
negotiation mode 561
password 565
peer identity 563
pre-shared key 563
proposal 561
see also VPN
user name 565
IM (Instant Messenger) 651
IMAP 681
iMesh 651
inbound LB algorithm