ZyXEL Communications USG FLEX H Series - Page 461

USG FLEX H Series User’s Guide
461
Transmission Control Protocol, see TCP
transmission speed
cable types 43
trapdoor attacks 308
triangle routes 192
allowing through the security policy 194
vs virtual interfaces 192
Triple Data Encryption Standard, see 3DES
trojan attacks 308
troubleshooting 411, 424
anti-virus 425, 426
application patrol 425, 429, 431
certificate 431
connection resets 429
content filter 425
DDNS 428
device access 424
firmware package 430
firmware upload 432
FTP 429
IDP 425, 427
Internet access 424, 431
IPSec VPN 429
LEDs 424
logs 432
management access 432
packet capture 433
performance 426, 427
policy routes 425
PPP 426
problems 424
routing 428
schedules 431
security policy 425
security settings 425
SNAT 428
throughput rate 432
VLAN 426
VPN 430
zipped files 427
trunks 99, 129
and ALG 155
and policy routes 130, 143
member interface mode 134, 135
member interfaces 135
see also load balancing 129
Trusted Certificates, see also certificates 387
tunnel encapsulation 177
Tunnel interfaces 99
U
UDP 216
messages 216
port numbers 217
updating
anti-virus signatures 95, 96
signatures 92
upgrading
firmware 408
uploading
configuration files 406
firmware 408
URL Threat Filter 272, 283
Priority 283
usage
CPU 60
sessions 60
user authentication 331
external 332
local user database 342
User Datagram Protocol, see UDP
user group objects 331, 342
user groups 331, 332, 342
and content filtering 243
and policy routes 142
and security policy 197
user name
rules 334
user objects 331, 342
user sessions, see sessions
users 331, 342
access, see also access users
admin (type) 331
admin, see also admin users
and AAA servers 332
and authentication method objects 332
and content filtering 243
and LDAP 332
and policy routes 142
and RADIUS 332
and security policy 197
and service control 351
attributes for Ext-User 332