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[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] talker-fixed-threshold option (flow-portscan preprocessor)  talker-fixed-window option (flow-portscan preprocessor)  talker-sliding-scale-factor option (flow-portscan preprocessor)  talker-sliding-threshold option (flow-portscan preprocessor)  talker-sliding-window option (flow-portscan preprocessor)  targeting IDS  TCP (Transmission Control Protocol)      header      three-way handshake  tcp-penalties option (flow-portscan preprocessor)  TCP/IP     suite of protocols          ARP          ICMP          IP          TCP          UDP  tcpdump  2nd      -n and -nn options  2nd      -s option      -v option      -x option      basics      capture example      filters      homepage      installing      output          capture of TCP three-way handshake          data within the < and > characters      replacing      running      syntax options      writing data to temp file  tcphdr table  telnet sessions, detecting dangerous traffic transmitted in  telnet.rules  telnet_decode preprocessor  TELNET_SERVERS variable (snort.conf)  Tenable Security  2nd  Tethereal  2nd  TFTP (Trivial File Transfer Protocol)  TFTP service, detecting attacks to  tftp.rules  thieves  three-way handshake (TCP)  threshold type thresholding example  thresholding  2nd      difference between standalone thresholds and those included in rules      examples      global threshold commands      global thresholds      simple threshold rules  timeout option (frag2 preprocessor)  timeout option (stream4 preprocessor)  timestamps in UTC format  tools that can bypass security restrictions  Top Layer Networks  Traffic Direction operator (rule headers)  traffic encryption  2nd  Trin00  Trojan horse  ttl: rule option  ttl_limit option (frag2 preprocessor)  ttl_limit option (stream4 preprocessor)  tuning Snort

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