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From http://blog.csdn.net/foamflower/archive/2009/10/29/4744862.aspx
Like a mobile gateway, the ISAPI filter iisforward will repackage the request object and append some header information to WLS. In this case, directly userequest.getRemoteAddr()It is impossible to obtain the real customer IP address.
The actual iisforward appending header is as follows:
WL-Prox
Some machines have many virtual network cards, and there are some surprises when acquiring an IP address, so some verification is required:1 //Get MAC Address2 Public StaticString getmacaddress () {3 Try {4Enumerationnetworkinterface.getnetworkinterfaces ();5 byte[] Mac =NULL;6 while(Allnetinterfaces.hasmoreelements ()) {7NetworkInterface NetInterface =(NetworkInter
Search a day, unexpectedly did not find a suitable code to obtain the machine all the network card IP, mask and broadcast address, most of the socket is used, but the socket is usually returned to the intranet address, or the public network address, can not find all addresses, really too worried Mulberry, Decide yourse
This article describes the Android implementation approach to acquiring wired and wireless IP addresses. Share to everyone for your reference. Specifically as follows:
To do the development of Android, encountered the problem of getting a wired IP address. Not much to say code!
for (enumeration
Analysis:
Let's look at this piece of code:
Copy
Sometimes some of the projects and applications across the network, need to be as accurate as possible to know telecommunications, Netcom, railcom and other telecommunications operators IP address segment distribution, can be online information is not only very small, and often are n months ago, outdated information ...
APNIC is the organization that manages IP
Vsftpd:118.126.3.222:allow
Indicates that a 118.126.3.222VSFTP connection is allowed
Input Vim/etc/hosts.deny
Edit Vsftpd:all
Indicates that all VSFTP connections are denied
In general, Linux will first Judge/etc/hosts.allow this file, if the remote login computer to meet the file/etc/hosts.allow settings, it will not be used/etc/ Hosts.deny file, on the contrary, if you do not meet the rules of Hosts.allow file set, you will use the Hosts.deny file, if the Hosts.deny rules, this host is limit
Tag: just regular match style sed resolve record result code complete1. Assuming that the IP address is canonical, there is no error in thesed -n "/[0-9]\{1,3\}.[ 0-9]\{1,3\}\. [0-9]\{1,3\}\. [0-9]\{1,3\}/p] testThere are obvious problems with this match, and in the process of regular matching, if there is 300,1,255,0;192.168.0. 192.168,1.1.1 This wrong IP
In the past, I heard people say that an IP address can be used to generate a certificate. Today, the example shows that IP addresses cannot be used.Scenario 1:
The name specified when the certificate is generated is IP Address
The example is an example of single-point logon.
Due to business needs, to query the customer's IP address and filter out customers in some regions, I began to think of using the IP database. It was a little difficult for me to read pure databases, however, my current time requirements are quite urgent. By asking in the group, I would like to thank the hacker and Fu
= "2d92dacb-4277-4846-ad83-c6d2a9b27e35"onboot= "Yes"Ipaddr= "192.168.1.30"netmask= "255.255.255.0"Gateway= "192.168.1.1": Wq Save Exit[Root@centos ~]# Service Network restart[Root@centos ~] #ifconfigSee if the modified IP address is in effect3.4 Modifying DNS settingsCurrent host name View[Root@centos ~]# vim/etc/resolv.confAdd the following to the open file 8.8.8.8 for googledns,61.144.56.100 local DNS (d
Edit the iptables configuration file and change the contents of the file to the following, with the IP Address white list feature#vim/etc/sysconfig/iptables
*filter
: INPUT ACCEPT [0:0]
: FORWARD ACCEPT [0:0]
: OUTPUT ACCEPT [0:0]
-n Whitelist
-A whitelist-s 1.2.3.0/24-j ACCEPT
-a whitelist-s 4.5.6.7-j ACCEPT
-a input-m state--state related,establis
Requirement: a menu of an internal website can only be accessed by specified domain users, but cannot be accessed using a logon window, such as a user name and password.
Solution: Click the menu to obtain the IP address. Use NBTSTAT-A to obtain the computer name of the client, and filter out the computer name using regular expressions in the background program fo
How to obtain the IP address segment bitsCN.com in MySQL
Effect display:The following command can be used to quickly obtain the IP address CIDR block.
Command explanation:
Inet_aton ('192. 207.224.1 ') is used to convert an IP addres
Iptables only allows the specified IP address to access the specified port
First, clear all pre-settings
Iptables-F # clear rules of all rule chains in the filter of the preset tableIptables-X # Clear the rules in the User-Defined chain in the filter of the preset table
Second, set to allow only the specified
In order to prevent software from being cracked, it is often necessary to set the IP address of the disabled Chinese area, but many people do not know how to set it.
How to set up IP address access on the Apache host, in fact, is very simple, modify Apache's. htaccess file, add the following statement in the file, you
the method of taking the line of IP address in Linux system:(1), ifconfig eth0 | grep "inet Addr"inet addr:10.57.36.112 bcast:10.57.36.255 mask:255.255.255.0Note: grep filters the contents of the string containing "inet addr"(2), ifconfig eth0 | Sed-n ' 2p 'inet addr:10.57.36.112 bcast:10.57.36.255 mask:255.255.255.0Note: sed-n ' 2p ' where-n parameter means "cancel default printing", 2p means "Print line 2
processing.
There are many systems that support Virtio: Linux 2.6.25+: Enable the relevant configuration yourself, Windows 2000/xp/vista: Need to download and install themselves from windowsguestdrivers;
5 Types of network in VirtualBox –not attached not specified
Meaning:
Similar to, the virtual machine has a network card, but does not plug in the network cable;
Objective:
Used to "Tell" the virtual machine, network disconnected, causing the network in the virtual machine, reconfiguration
Netw
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