‏‏‏‏‏‏‏‏‏الوحدة 6الامن السيبراني

239

240

• • • 241

     242

  DoS          243 

. 244

        245

    246

US CERT CVE CVE CVE MITER Corporation CVE CVE CVE • • • 247

    248

‫هناك طريقتان لتحليل المخاطر‪:‬‬ ‫‪EF‬‬ ‫‪EF‬‬ ‫‪EF‬‬ ‫‪ARO‬‬ ‫‪ARO‬‬ ‫‪ALE‬‬ ‫‪249‬‬

250

    • • • 251

252

    253

  254

  255

• • ​ 256

 N N  N  N  N N  N N 257

RAID RAID  RAID RAID  RAID  RAID RAID   Striping   258

STP  STP SpanningTree Protocol STP  STP  STP STP 259

HSRP HSRP HSRP HSRP HSRP LAN VRRP VRRP VRRP GLBP VRRP GLBP – VRRP HSRP 260

261 •

 STP STP   262

  263

IOS IOS bootset • IOS 264

265

CSIRT CSIRT  CSIRTs  266     •

  • • • • 267

    268

•      • 269

NetFlow and IPFIX 270

NAC  NAC NAC  NAC NAC  NAC     271

IDS IDS   • IDS IDS  IDS   IDS  IDS  IDS  IDS  IPS 272

IPS IDS IPS  IPS  IPS IPS  IPS IPS  IPS  IPS IDS IPS IPS IDS 273

IPFIX NetFlow Cisco CiscoIOS NetFlow  IPFIX NetFlow  274 IP IPFIX  IPFIX  IPFIX     

• •       275

•• • • •• • • 276

DRP DRP DRP      DRP 277

   278

DRP   279    

         280

NIST 281