Zyxel-communications Internet Security Appliance ZyWALL5UTM 4.0 Manual de usuario Pagina 203

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 803
  • Tabla de contenidos
  • SOLUCIÓN DE PROBLEMAS
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 202
ZyWALL 5/35/70 Series User’s Guide
203 Chapter 10 Firewalls
Figure 92 Smurf Attack
10.4.2.1 ICMP Vulnerability
ICMP is an error-reporting protocol that works in concert with IP. The following ICMP types
trigger an alert:
Table 64 ICMP Commands That Trigger Alerts
5 REDIRECT
13 TIMESTAMP_REQUEST
14 TIMESTAMP_REPLY
17 ADDRESS_MASK_REQUEST
18 ADDRESS_MASK_REPLY
10.4.2.2 Illegal Commands (NetBIOS and SMTP)
The only legal NetBIOS commands are the following - all others are illegal.
Table 65 Legal NetBIOS Commands
MESSAGE:
REQUEST:
POSITIVE:
NEGATIVE:
RETARGET:
KEEPALIVE:
Vista de pagina 202
1 2 ... 198 199 200 201 202 203 204 205 206 207 208 ... 802 803

Comentarios a estos manuales

Sin comentarios