dos traceroute

Ping Command details Ping can be used to test the computer name and computer ip address, verify the connection with the remote computer, verify the connection to one or more remote computers by sending icmp echo data packets to the computer and

Command for viewing Ubuntu running status 1. route to view and set the route information for Linux 2. ping: network connectivity check example: Ping 192.168.0.1 parameter:-C is used to specify the number of Ping responses. Example: Ping-C 4 192.168.

I. Overview: By default, ASA does not respond to TTL exceeded packets, so Traceroute/tracert does not see the ASA device, and Traceroute/tracert cannot traverse the firewall because of firewall policy restrictions. Two. Basic ideas: Depending on

Ping :P ing is a command under Windows, UNIX, and Linux systems. Ping also belongs to a communication protocol and is part of the TCP/IP protocol. The ping command allows you to check if the network is connected and helps us to analyze and determine

The original Article is from BlackSun. It is translated in sleep hours. This is a very good article and I am very happy to share it with you! Warning: Do not use this to damage the cisco system or access the system illegally. This article is for the

Swiss Army Knife protocol-ICMP ICMP protocol An important supplement to the IP protocol is the ICMP protocol. ICMP (Internet Control Message Protocol) is a Protocol between the network layer and the transport layer. Its main function is to transmit

The ports can be divided into 3 main categories: 1) Recognized ports (well known Ports): from 0 to 1023, they are tightly bound to some services. Usually the communication of these ports clearly indicates the protocol of a certain service. For

The port can be divided into 3 main categories: 1) Accepted ports (well known Ports): from 0 to 1023, they are tightly bound to some services. Usually the communication of these ports clearly indicates the protocol of some kind of service. For

Wireshark is a very useful packet capture tool. When we encounter network-related problems, we can use this tool for analysis. However, it should be noted that this is just a tool, the usage is very flexible, so the content described today may not

How does TCP perform the three-way handshake?   The sender sends a SYN = 1, ACK = 0 packet to the receiver and connects the request. This is the first handshake. If the receiver receives the request and allows the connection, a syn = 1,   ACK = 1