/*
Use the APIS provided by the operating system to write a firewall.
The
Program For API descriptions, visit the Microsoft msdn library.
Code Compiled in C ++ Builder 5
If you want to communicate with me, please email: zzwinner@163.com
*/
# Pragma hdrstop# Include "windows. H"# Include "fltdefs. H"// You need to load "iphlpapi. lib"
# Pragma argsusedInt main (INT argc, char * argv []){// An interface for filtering network packetsInterface_handle hinterface;Pfcreateinterface (0,Pf_actio
format of the head, and then look at the structure of the head in the library file definition
struct IPHDR
{
#if __byte_order = = __little_endian
unsigned int ihl:4; The length of the header
unsigned int version:4; Protocol version number, 4/6, represents Ipv4/ipv6
#elif __byte_order = = __big_endian
unsigned int version:4;
unsigned int ihl:4;
#endif
u_int8_t tos; Type of service field
u_int16_t Tot_len; The total length of the
/*
Use the APIS provided by the operating system to write a firewall.
For more information about the APIS involved in this program, visit the Microsoft msdn library.
The code is compiled in C ++ Builder 5
If you want to communicate with me, please email: zzwinner@163.com
*/
# Pragma hdrstop# Include "windows. H"# Include "fltdefs. H"// You need to load "iphlpapi. lib"
# Pragma argsusedInt main (INT argc, char * argv []){// An interface for filtering network packetsInterface_handle hinterface;Pf
http://view.inews.qq.com/a/20161025A0766200QQ in narrowband eraQQ is a narrow band of the most representative of the product, in that network transmission efficiency is lower than the era, we still remember Google's homepage? Why is the simple page of Google so concise?Google was born in 1998, is also in the narrow-band era, you will find its home byte size is less than 1024, why less than 1024 bytes, because the Ethernet MTU (that is, the largest transmission unit) is 1024,google in order to le
Problem Description:Cisco Packet Tracer software configures switches in the CLI, routers enter information with IP type when entering "." The input character jumps to the first bit of the string or "." The front of the character.Terminal (PC, notebook, tablet) device in command prompt debug with IP type information the cursor will also jump.Workaround:Switch inpu
Modify shared bandwidth packets-Increase the public network IP
Describe
Increase the public network IP in the specified shared bandwidth packet
Request parameters
name
type
must
describe
action
string
system specified parameters, values: Addbandwidthpackageips
regionid string
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