Index

T

T/TCP 641 tables 59 target market 33

task bar properties 990

TCP 737

ACK (acknowledgment) 637 ACK number 614

attack packet 599, 634 connections 737 decoder 631, 639 decoy portscan 636 distributed portscan 636 flag bits 614

port numbers 738 portscan 635 portsweep 636 RST 636

SYN (synchronize) 637 SYN flood 637 window size 614

technical reference 219

Telnet 845

and address groups 847 and address objects 847 and zones 847

with SSH 844

Temporal Key Integrity Protocol (TKIP) 1028 terminology differences

bandwidth management 95 NAT 95

with other products 95 with ZyNOS 95

three-way handshake 638 throughput rate

troubleshooting 911 TightVNC 792

time 811

time servers (default) 813 time to live 608 timestamp 608

title bar 50 token 750

to-ZyWALL firewall 451 and NAT 419

and NAT traversal (VPN) 904

and OSPF 392

and remote management 451 and RIP 390

and service control 823 and VPN 904

and VRRP 703

and VRRP groups 703 global rules 451 see also firewall 450

trademarks 1091 traffic anomaly 624, 628 traffic statistics 243

Transmission Control Protocol, see TCP transport encapsulation 475 Transport Layer Security (TLS) 848 trapdoor attacks 601

trial subscription services 280 triangle routes 457

allowing through the firewall 459 vs virtual interfaces 457

Triple Data Encryption Standard, see 3DES trojan attacks 601

troubleshooting 885, 895 admin user 909 anti-virus 897, 900

anti-virus signatures update 896 application patrol 897, 903, 907 application patrol signatures update 896 auxiliary interface 899

bandwidth limit 900 bandwidth management 900 broadcast storm 908 cellular 898, 899 certificate 909 configuration file 911 connection resets 903 content filter 897

DDNS 902

device access 895 device HA 908, 909 ext-user 908

file sharing 906, 910 firewall 897 firmware package 906 firmware upload 912 FTP 903

H.323 903

HTTP redirect 902

 

1117

ZyWALL USG 300 User’s Guide