Index
ZyWALL USG 20/20W User’s Guide
956
RST 480
SYN (synchronize) 481
SYN flood 481
technical reference 163
Telne t 666
and address groups 668
and address objects 668
and zones 668
with SSH 665
Temporal Key Integrity Protocol (TKIP) 812
terminology differences
with ZyNOS 91
three-way handshake 482
throughput rate
troubleshooting 737
TightVNC 616
time 631
time servers (default) 634
token 574
to-ZyWALL firewall 375
and NAT 343
and NAT traversal (VPN) 733
and OSPF 316
and remote management 375
and RIP 314
and service control 644
and VPN 733
global rules 375
see also firewall 374
trademarks 935
traffic anomaly 468, 472
traffic statistics 183
Transmission Control Protocol, see TCP
transport encapsulation 399
Transport Layer Security (TLS) 669
triangle routes
381
allow
ing through the firewall 383
vs virtual interfaces 381
Triple Data Encryption Standard, see 3DES
troubleshooting 705, 712, 727
admin user 735
bandwidth limit 730
cellular 729, 730
certificate 736
configuration file 737
connection resets 732
content filter 728
DDNS 731
device access 727
ext-user 735
firewall 728
firmware upload 737
HTTP redirect 732
interface 729
Internet access 728, 734
IPSec VPN 732
LEDs 727
logo 736
logs 737
management access 736
packet capture 738
packet flow 91
performance 731
policy route 728
port triggering 731
PPP 729
RADIUS server 735
routing
731
schedule
s 735
security settings 728
shell scripts 737
SNAT 731
SSL 734
SSL VPN 734
throughput rate 737
VLAN 730
VPN 734
WLAN 730
truncated-address-header attack 485
truncated-header attack 485, 486
truncated-options attack 485
truncated-timestamp-header attack 486
trunks 218, 289
and ALG 357
and policy routes 290, 305
configuration overview 96
member interface mode 294
member interfaces 294
prerequisites 96
see also load balancing 289
tutorial 113
where used 96
Trusted Certificates, see also certificates 603
TTCP-detected attack 485
tunnel encapsulation 399
