What happens if a hacker finds your IP address?

If a hacker has your IP address, they could harm you with a DDoS (Distributed Denial of Service) attack. A DDoS attack uses an army of computers controlled by a hacker to flood your device with traffic so it disconnects from the internet and completely shuts down.

What is DHCP spoofing attack?

DHCP Spoofing Attack DHCP spoofing occurs when an attacker attempts to respond to DHCP requests and trying to list itself (spoof) as the default gateway or DNS server, hence, initiating a man in the middle attack.

How do I use DHCP snooping?

The minimum configuration steps for the DHCP snooping feature are as follows:

1. Define and configure the DHCP server.
2. Enable DHCP snooping on at least one VLAN.
3. Ensure that DHCP server is connected through a trusted interface.
4. Configure the DHCP snooping database agent.
5. Enable DHCP snooping globally.

How does DHCP snooping track DHCP messages and mitigate attacks?

How does DHCP snooping track information? DHCP snooping stores its observations in a database containing the client MAC address, DHCP assigned IP address, remaining lease time, VLAN, and switchport. The database is a simple flat-file that can be stored in device flash.

What is dhdhcp spoofing attack?

DHCP Spoofing attack is an attack in which attackers set up a rogue DHCP server and use that to send forged DHCP responses to devices in a network. Attackers often use this attack to replace the IP addresses of Default Gateway and DNS servers and thereby divert traffic to malicious servers.

What happens if your router is hacked?

Your router is responsible for managing the connection between your internet-connected devices and your home Wi-Fi. Once your router has been successfully hacked, the third-party can carry out a number of malicious activities including identity theft, malware attacks and website reroutes. Here are a few symptoms of a compromised router:

What is a DHCP denial of service attack?

It’s a denial of service attack, an attacker sends forged DHCP requests to the server and leases all the available IP’s thus the legitimate clients will not get an IP assigned; or the Attacker may send bogus request/replies luring the client to connect to attacker’s machine instead of valid DHCP server.

How does a DHCP server get an IP address?

The DHCP server asks the client to send the required parameters and once it receives the parameters, DHCP server sends the acknowledgement which contains the IP address of the client. Source: http://l4wisdom.com The DHCP client requests an IP address by broadcasting a DHCP Discover message to the local subnet.