*BEGIN GRAPHICS VERSION=430/420 ENCODING=7BIT
** "Creator" brian
** "Creation Date" Thu Jun 17 15:49:57 1999
** "Revisor" brian
** "Last Modified" Thu Jun 17 16:15:44 1999

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SESSION
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 AUTOGRID ON
 VIEW <0 0 0 1 1 0>
 SLIDE_STYLE <0 -1 1>
 CURRENT_PAGE 2
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END SESSION

SLIDE_INFO
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END SLIDE_INFO
PICTURE
.TXT AT (0,367)
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 V_SPACE <0 333 0>
 HOR_JUST CENTER
 PNTS (0,0)(7491,0)(7491,633)(0,633)(0,0)
 .STR
  FONT 1 SIZE 240000 BOLD ON
  "Denial of Service Attacks"
.TXT AT (500,1501)
 FONT 0 SIZE 180000 BOLD OFF HOR_JUST LEFT
 PNTS (0,0)(6499,0)(6499,1498)(0,1498)(0,0)
 .STR
  FONT 1 SIZE 240000
  "- \"Internet Vandalism\"\n- Doesn't gain the attacker access\n-
  Just prevents genuine users from using the system"
.TXT AT (500,3250)
 FONT 0 SIZE 180000
 PNTS (0,0)(6499,0)(6499,500)(0,500)(0,0)
 .STR
  FONT 1 SIZE 240000 BOLD ON
  "IP source address spoofing"
.STK AT (2497,4647)
 BACKFILL <1 0 0 0 0 0 0>
 THICKNESS 1
 V_SPACE <0 250 0>
 FONT 0 SIZE 180000 BOLD OFF
 PNTS (276,950)(200,1026)(173,1013)(160,1000)(146,986)(133,973)(120,960)
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      (200,1013)(200,1000)(213,1000)(213,986)
.RECT AT (500,5250)
 PNTS (0,0)(1750,0)(1750,500)(0,500)(0,0)
.TXT AT (750,5291)
 BACKFILL <1 0 5 1000 0 0 0>
 THICKNESS 0 MARGINS <0 0 0 0>
 TXTXYOFF <0 169>
 T_PNTS (0,169)(0,0)(875,0)(875,423)(0,423)(0,169)(875,169)
 .STR
  "Src = B\nDest = T"
.POL AT (2000,5000)
 BACKFILL <1 0 0 0 0 0 0>
 THICKNESS 28 MARGINS <125 125 250 62>
 PNTS (0,0)(1250,500)(2250,500)(3000,250)(3000,250)
 CTLS (750,300)(800,400)(1700,600)(1900,550)(2600,450)(2850,300)(3150,200)
      (3090,220)
.TXT AT (1500,4500)
 BACKFILL <1 0 5 1000 0 0 0>
 THICKNESS 0
 V_SPACE <0 500 0>
 SIZE 360000 L_SPACE 500 MARGINS <0 0 0 0>
 TXTXYOFF <-10 331>
 T_PNTS (0,331)(0,0)(342,0)(342,332)(0,332)(0,331)(342,331)
 .STR
  L_SPACE 250
  "H"
.TXT AT (5499,4669)
 L_SPACE 500
 TXTXYOFF <-9 331>
 T_PNTS (0,331)(0,0)(289,0)(289,332)(0,332)(0,331)(289,331)
 .STR
  L_SPACE 250
  "T"
.TXT AT (3461,6669)
 L_SPACE 500
 T_PNTS (0,331)(0,0)(289,0)(289,332)(0,332)(0,331)(289,331)
 .STR
  L_SPACE 250
  "B"
.TXT AT (1371,4920)
 V_SPACE <0 250 0>
 SIZE 140000 HOR_JUST CENTER
 TXTXYOFF <3 133>
 T_PNTS (0,133)(0,0)(578,0)(578,136)(0,136)(0,133)(578,133)
 .STR
  V_SPACE <0 194 0>
  ITALICS ON
  "Hacker"
.TXT AT (5385,5096)
 V_SPACE <0 250 0>
 ITALICS OFF
 TXTXYOFF <-11 127>
 T_PNTS (0,127)(0,0)(512,0)(512,168)(0,168)(0,127)(512,127)
 .STR
  V_SPACE <0 194 0>
  ITALICS ON
  "Target"
.TXT AT (2865,7084)
 V_SPACE <0 250 0>
 ITALICS OFF
 TXTXYOFF <2 133>
 T_PNTS (0,133)(0,0)(1523,0)(1523,174)(0,174)(0,133)(1523,133)
 .STR
  V_SPACE <0 194 0>
  ITALICS ON
  "Innocent Bystander"
.POL AT (4957,5207)
 BACKFILL <1 0 0 0 0 0 0>
 THICKNESS 28
 V_SPACE <0 250 0>
 SIZE 180000 ITALICS OFF HOR_JUST LEFT MARGINS <125 125 250 62>
 PNTS (0,0)(147,0)(13,107)
.TXT AT (500,8000)
 BACKFILL <1 0 5 1000 0 0 0>
 THICKNESS 0
 V_SPACE <0 333 0>
 TXTXYOFF <0 0>
 PNTS (0,0)(6499,0)(6499,750)(0,750)(0,0)
 .STR
  "What happens if this was a ping packet?\nA whole stream of ping
 s?"
END PICTURE

SLIDE_INFO
 SLIDE_STYLE <0 -1 1>
END SLIDE_INFO
PICTURE
.TXT AT (0,367)
 HOR_JUST CENTER
 PNTS (0,0)(7491,0)(7491,633)(0,633)(0,0)
 .STR
  FONT 1 SIZE 240000 BOLD ON
  "Your network itself can be attacked"
.TXT AT (500,2250)
 FONT 0 SIZE 180000 BOLD OFF HOR_JUST LEFT
 PNTS (0,0)(6499,0)(6499,500)(0,500)(0,0)
 .STR
  FONT 1 SIZE 240000 BOLD ON
  "\"Smurf attack\""
.STK AT (2497,3750)
 BACKFILL <1 0 0 0 0 0 0>
 THICKNESS 1
 V_SPACE <0 250 0>
 FONT 0 SIZE 180000 BOLD OFF
 PNTS (276,950)(200,1026)(173,1013)(160,1000)(146,986)(133,973)(120,960)
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      (986,1626)(960,1640)(933,1640)(853,1666)(826,1666)(786,1666)
      (746,1666)(706,1666)(626,1640)(586,1640)(546,1640)(520,1640)
      (440,1613)(413,1613)(386,1600)(360,1600)(346,1586)(320,1573)
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      (306,1400)(320,1400)(320,1386)(306,1386)(293,1386)(280,1386)
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      (160,1360)(146,1346)(133,1333)(120,1320)(106,1306)(93,1306)
      (93,1293)(80,1293)(80,1280)(80,1266)(80,1253)(80,1240)(80,1226)
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      (146,1053)(146,1040)(160,1040)(160,1026)(173,1026)(186,1013)
      (200,1013)(200,1000)(213,1000)(213,986)
.RECT AT (500,4353)
 PNTS (0,0)(1750,0)(1750,500)(0,500)(0,0)
.TXT AT (750,4394)
 BACKFILL <1 0 5 1000 0 0 0>
 THICKNESS 0 MARGINS <0 0 0 0>
 TXTXYOFF <0 169>
 T_PNTS (0,169)(0,0)(875,0)(875,423)(0,423)(0,169)(875,169)
 .STR
  "Src = B\nDest = T"
.POL AT (2000,4103)
 BACKFILL <1 0 0 0 0 0 0>
 THICKNESS 28 MARGINS <125 125 250 62>
 PNTS (0,0)(1250,500)(2250,500)(3000,250)(3000,250)
 CTLS (750,300)(800,400)(1700,600)(1900,550)(2600,450)(2850,300)(3150,200)
      (3090,220)
.TXT AT (1500,3603)
 BACKFILL <1 0 5 1000 0 0 0>
 THICKNESS 0
 V_SPACE <0 500 0>
 SIZE 360000 L_SPACE 500 MARGINS <0 0 0 0>
 TXTXYOFF <-10 331>
 T_PNTS (0,331)(0,0)(342,0)(342,332)(0,332)(0,331)(342,331)
 .STR
  L_SPACE 250
  "H"
.TXT AT (5499,3772)
 L_SPACE 500
 TXTXYOFF <-9 331>
 T_PNTS (0,331)(0,0)(289,0)(289,332)(0,332)(0,331)(289,331)
 .STR
  L_SPACE 250
  "T"
.TXT AT (3461,5669)
 L_SPACE 500
 T_PNTS (0,331)(0,0)(289,0)(289,332)(0,332)(0,331)(289,331)
 .STR
  L_SPACE 250
  "B"
.TXT AT (1371,4023)
 V_SPACE <0 250 0>
 SIZE 140000 HOR_JUST CENTER
 TXTXYOFF <3 133>
 T_PNTS (0,133)(0,0)(578,0)(578,136)(0,136)(0,133)(578,133)
 .STR
  V_SPACE <0 194 0>
  ITALICS ON
  "Hacker"
.TXT AT (5385,4199)
 V_SPACE <0 250 0>
 ITALICS OFF
 TXTXYOFF <-11 127>
 T_PNTS (0,127)(0,0)(512,0)(512,168)(0,168)(0,127)(512,127)
 .STR
  V_SPACE <0 194 0>
  ITALICS ON
  "Target"
.TXT AT (2865,6084)
 V_SPACE <0 250 0>
 ITALICS OFF
 TXTXYOFF <2 133>
 T_PNTS (0,133)(0,0)(1523,0)(1523,174)(0,174)(0,133)(1523,133)
 .STR
  V_SPACE <0 194 0>
  ITALICS ON
  "Innocent Bystander"
.POL AT (4957,4310)
 BACKFILL <1 0 0 0 0 0 0>
 THICKNESS 28
 V_SPACE <0 250 0>
 SIZE 180000 ITALICS OFF HOR_JUST LEFT MARGINS <125 125 250 62>
 PNTS (0,0)(147,0)(13,107)
.TXT AT (500,6750)
 BACKFILL <1 0 5 1000 0 0 0>
 THICKNESS 0
 V_SPACE <0 333 0>
 TXTXYOFF <0 0>
 PNTS (0,0)(6499,0)(6499,1750)(0,1750)(0,0)
 .STR
  "Packet is a ping to a BROADCAST ADDRESS on T\nWhat happens?\nHo
 w can you prevent it?\n1.\n2."
END PICTURE

*END GRAPHICS