1.1 Calculation of IP checksumIP check is for the IP header, that is, only the IP header, and for the IP data part of the verification, the corresponding four times the agreement to ensure that the IP head of the test and the field is 16bit.The
Subnet Mask and IP address calculation network address and broadcast address conversion
IP Address: 202.112.14.20.Subnet Mask: Too Many Subnet MaskWhat is the network address and broadcast address of this host?Solution:Step 1: Determine the
Completely understand the IP address -- after computing the relevant IP address, you can calculate the IP address and subnet mask: 1. network address 2. broadcast address 3. Address range 4. Several hosts on this website. Example 1: in the following
Compute related addresses by IP address and subnet mask and operations
When you know the IP address and subnet mask, you can figure out:
1, network address
2. Broadcast Address
3. Address range
4, the network has several hosts
Example 1: The
IP address and subnet mask used for computingAfter knowing the IP address and subnet mask, you can calculate:1. Network Address2. broadcast address3. Address range4. Several hosts on this websiteExample 1: the IP address in the following example is 1
IP address and subnet mask used for computingAfter knowing the IP address and subnet mask, you can calculate:1. Network Address2. broadcast address3. Address range4. Several hosts on this websiteExample 1: the IP address in the following example is 1
IP address and subnet mask used for computing
After knowing the IP address and subnet mask, you can calculate:
1. Network Address2. broadcast address3. Address range4. Several hosts on this website
Example 1: the IP address in the following example
After knowing the IP address and subnet mask, you can calculate:
1. Network Address
2. broadcast address
3. Address range
4. Several hosts on this website
Example 1: the IP address in the following example is 192 · 168 · 100 · 5. The subnet mask is 2
Set one
ComputerIP address and
VroThe management address is set in the same CIDR block, for example, 192.168.0.2. Open the browser of the 192.168.0.2 computer, enter "http: // 192.168.0.1: 8080" in the address bar, and press the Enter key to display
In the previous article, we used the common security risk (HTTP_X_FORWARDED_FOR) method to obtain the IP address of a user. we realized that we could directly read the user IP address from http_x_forwarded_for and directly get the IP address from a
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