Public Static String Getlocalip (){ Try { String Hostname = DNS. gethostname (); // Get the Host Name Iphostentry ipentry = DNS. gethostentry (hostname ); For ( Int I = 0 ; I { // Select an IPv4 IP address from the IP address list. // Addressfamily. Internetwork in
To do this, log in to SSH:Vi/etc/sysconfig/network-scripts/ifcfg-eth0:0The second IP is aVi/etc/sysconfig/network-scripts/ifcfg-eth0:1A third IP is theIfcfg-eth0:2 (from this analogy)Device=eth0:0 NIC device name Onboot=YES random start Bootproto= static statically assigned ipipaddr=*.* . * * the IP
Public static string getlocalip (){Try{String hostname = DNS. gethostname (); // obtain the host name.Iphostentry ipentry = DNS. gethostentry (hostname );For (INT I = 0; I {// Filter IPv4 IP addresses from the IP address list// Addressfamily. Internetwork indicates that the IP
I explained the second-level domain name on the IP address. when the second-level domain name does not allow him to access the address book of the main site, the second-level domain name is edited by liaohongchu from 2012-11-2116:42:50; tm.xinqq163.com nbsp; this is also explained on the IP
I explained the second-level domain name on the IP address. when the second-level domain name does not allow him to access the address book of the main site, the second-level domain name is edited by liaohongchu from 2012-11-2116:42:50; tm.xinqq163.com nbsp; this is also explained on the IP
Public class classnetgetmac{Public classnetgetmac (){}
[Dllimport ("iphlpapi. dll")]Private Static extern int sendarp (int32 DEST, int32 host, byte [] Mac, ref int32 length );[Dllimport ("ws2_32.dll")]Private Static extern int32 inet_addr (string IP );
/// /// Obtain the nic mac address based on the
Often use, own mark, incidentally to the people who need reference.1. Configuration file Modification$ vi/etc/sysconfig/network-scripts/ifcfg-eth0Content:Device= "eth0" hwaddr= "08:00:27:7c:d1:95" nm_controlled= "yes" onboot= "yes" ipaddr= "192.168.56.5" gateway= " 192.168.56.1 "bootproto=" STATIC "2, immediately effective configuration$ sudo/etc/init.d/network Stop$ sudo/etc/init.d/network Start
This article is from: Linux Tutorial Network
Re
Want to achieve "record user logon time and exit time, while recording user IP, and to record the user IP corresponding province and City address"
With Session_Start and session_end, implementation is the original idea, the result is not ideal.
The main time is not accurate, can not set the timeout time too short.
Key process:
Create a new ASPX page-spywin.as
Obtain the Client IP Address:
Private string getclientip ()
{
String result = httpcontext. Current. Request. servervariables ["http_x_forwarded_for"];
If (null = Result | result = string. Empty)
{
Result = httpcontext. Current. Request. servervariables ["remote_addr"];
} If (null = Result | result = string. Empty)
{
Result = httpcontext. Current. Request. userhostaddress;
}
Return result;
} Obtain the MAC
We all know that You can bind an IP address and a MAC address directly by running the arp-s command. However, if you cannot run arp-s to bind a static mac address in Win7, the system prompts "ARP entry addition failed: access denied." (The ARP entry addition failed: Access i
Modify/etc/network/interfacssudo vim/etc/network/interfacesThe dynamic IP settings are as follows:# The Loopback network interfaceAuto LoIface Lo inet Loopback# The Primary network interfaceAuto Eth0Iface eth0 inet DHCPThe static IP settings are as follows:Auto Eth0Iface eth0 inet StaticAddress 192.168.195.2Netmask 255.255.255.0Gateway 192.168.195.1This is to pay
.
In addition, for some illegal users who are familiar with attack technology, they often use IP address spoofing technology to forge the IP address of a workstation, but this electronic spoofing technique usually needs to be implemented by means of programming. For example, an illegal attacker can use socket programm
address of the destination site, and broadcasts the data frame in the physical network.
(2) An ARP response message is a data frame, which includes the hardware address and Protocol address of the response site, and the IP address of the original sending site, and sends the
card preset IP address setting batch processing
: Wlan
Cls
Color 03
echo. You are performing a Wi-Fi IP address setting operation!
Echo.------------------------------
Echo 1. Set to Wi-Fi DHCP
Echo 2. Set Wi-Fi static public IP
address, because the IP address is not a prior division of the network administrator of the IP address, which naturally formed an IP address conflict phenomenon. Therefore, in a LAN wo
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