Index

SYN flood 526

synchronization 576

and subscription services 576 information synchronized 588 password 581, 585

port number 581, 585 restrictions 589

syntax conventions 5 syslog 718, 724 syslog servers. See logs. system log. See logs. system name 172, 666

system protect updating signatures 194

system reports. See reports. system uptime 172 system-default.conf 710

T

T/TCP 528 target market 53

task bar properties 822

TCP 613

ACK (acknowledgment) 525 ACK number 504 connections 613

port numbers 613 SYN (synchronize) 525 window size 504

TCP Decoder 520

TCP decoy portscan 524 TCP distributed portscan 524 TCP flag bits 504

TCP portscan 524 TCP portsweep 524 TCP RST 524 TCP SYN flood 525 TCPdump 506

Telnet 693

and address groups 694 and address objects 694 and zones 694

with SSH 692

Temporal Key Integrity Protocol (TKIP) 840 terminate user connection 390

terminology differences bandwidth management 113 NAT 113

with other products 112 with ZyNOS 112

three-way handshake 526 time 666

time servers (default) 669 time to live 499 timestamp 500

to-ZyWALL firewall 337

and NAT traversal (VPN) 745 and OSPF 289

and remote management 337 and RIP 288

and service control 677 and virtual servers 313 and VPN 745

and VRRP 583

and VRRP groups 583 global rules 337

See also firewall. 336 trademarks 873

traffic anomaly 514, 518 traffic statistics 727

Transmission Control Protocol. See TCP. Transport Layer Security (TLS) 695 trial subscription services 187

triangle routes 343

allowing through the firewall 344 vs virtual interfaces 343

Triple Data Encryption Standard. See 3DES.

troubleshooting 741, 745 cellular 747

WLAN 747 truncated-address-header attack 529 truncated-header attack 529 truncated-options attack 528 truncated-timestamp-header attack 529

trunks 200, 211, 269 and ALG 330

and policy routes 269, 282 configuration overview 114 member interface mode 274 member interfaces 274 prerequisites 114

See also load balancing. 269 tutorial 154

where used 114

Trusted Certificates. See also certificates. 650 TTCP-detected attack 528

tutorials 125

U

u encoding attack 528 UDP 613

898

 

ZyWALL USG 100/200 Series User’s Guide