Answer:
If you mean this website, click the add answer button on the question
Explanation:
Answer: destination unreachable
time exceeded
Explanation:
You didn't give the options to the question but based on a similar question there I got online, the answer will be destination unreachable and time exceeded.
The Internet Control Message Protocol (ICMP) refers to a protocol that is used in the communication of problems with regards to the transmission of data. Based on the information given, the choices that represent message type examples are:
• destination unreachable
• time exceeded
Hay aplicaciones especializadas para la creación de mapas mentales . Pero la herramienta más simple podría ser un papel y algunas plumas . El segundo sencillo cuando no tiene instalado el software podría ser la creación de un mapa mental en MS Word
Answer:
The blocking ping is not effective in an organization because it may required ping echo message from some trusted system. the best method will be to do the filtering of incoming echo ICMP messages.
In systems we have ping utility, that is based on ICMP protocol. Its function is to check the end to end connectivity of the system.
In this case a fist all an echo ICMP message is send to the host then host reply with ICMP message. to defend yourself from this flood attack, we need to filter the incoming echo ICMP packet messages. a net filter can be used to achieve it.
The best method be to applied is the firewall having a net filter with limit setting or any intrusion system. In market we have various firewall and intrusion system available to do so.
Explanation:
Solution
Ping Flood Atack:
In this attack the main of the attacker is to saturate the system with ICMP for example (internet control message protocol) traffic. as you have saturated the system, it will have less CPU time to serve others.
Defence against this attack:
In our systems we have ping utility, that is based on ICMP protocol. Its used to check the end to end connectivity of the system. here fist all an echo ICMP message is send to the host then host reply with ICMP message. to defend yourself from this flood attack , we need to filter the incoming echo ICMP packet messages. a Net filter can be used to achieve this.
The best way will be to used the firewall having net filter with limit setting or any intrusion system. In market we have various firewall and intrusion system available to do so.
Blocking ping packets to avoid ping flood attack:
Its not a good approach to block ping packets. because you may required ping echo message from some trusted system. The best option will be to do the filtering of incoming echo ICMP message.
C) Scream and run
you need to remain calm and carefully exit the building making sure you have everybody with you
