Index

port numbers 712 portscan 609 portsweep 610 RST 610

SYN (synchronize) 611 SYN flood 611 window size 588

technical reference 207 Telnet 819

and address groups 821 and address objects 821 and zones 821

with SSH 818

terminology differences bandwidth management 99 NAT 99

with other products 99 with ZyNOS 99

three-way handshake 612 throughput rate

troubleshooting 885 TightVNC 766

time 785

time servers (default) 787 time to live 582 timestamp 582

title bar 54 token 724

to-ZyWALL firewall 424 and NAT 393

and NAT traversal (VPN) 878 and OSPF 366

and remote management 425 and RIP 364

and service control 797 and VPN 878

and VRRP 677

and VRRP groups 677 global rules 424 see also firewall 424

trademarks 1051 traffic anomaly 598, 602 traffic statistics 230

transceiver installation 36 removal 37

Transmission Control Protocol, see TCP

transport encapsulation 449 Transport Layer Security (TLS) 822 trapdoor attacks 575

trial subscription services 268 triangle routes 431

allowing through the firewall 433 vs virtual interfaces 431

Triple Data Encryption Standard, see 3DES trojan attacks 575

troubleshooting 859, 869 admin user 883 anti-virus 871, 874

anti-virus signatures update 870 application patrol 871, 876, 877, 881 application patrol signatures update 871 auxiliary interface 873

bandwidth limit 873 bandwidth management 874 broadcast storm 882 cellular 873

certificate 883 configuration file 885 connection resets 877 content filter 871 DDNS 876

device access 869 device HA 881, 883 ext-user 882

file sharing 880, 884 firewall 871 firmware package 880 firmware upload 885 FTP 877

H.323 877

HTTP redirect 876 IDP 871, 875

IDP signatures update 871 interface 872

Internet access 870, 881 IPSec VPN 877

L2TP VPN 879 logo 884 logs 885 management access 884 packet capture 886 packet flow 100 performance 874, 875 policy route 871, 881 port triggering 876

 

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ZyWALL USG 2000 User’s Guide