Internet connection to intranet mssql and intranet connection to intranet mssql
Reference: http://www.nat123.com/Pages_8_266.jsp
The method in this article is as follows:
(1) install and enable nat123 on the Intranet, add ing, and use other application types. The Intranet
Is your intranet secure? Who is competent to ensure Intranet security?
The enterprise intranet is the ultimate goal and core goal of network attacks. with powerful boundary protection and protection measures, the enterprise intranet cannot be completely secure in the face of increasingly complicated and large enterpri
I found a lot online,CodeThere are not many details about the principles.
I 'd like to explain a few articles.
One TechnologyArticle, The most important thing is to clarify the principle, if there is a complete operationSource codeAlso, the key is to clearly analyze the core part of the code.
(1) origin:
Most computers use dynamic IP addresses to access the Internet. Intranet IP addresses are allocated by net (routes and gateways). When net is
In the network code will find that the program is applicable in the local area network, but between the external network and intranet and intranet and intranet is not feasible.The problem is NAT. First, the following NAT is introduced.Nat is the function of NAT (network address Translator), which is the translation of networks. As the name implies, it is a techno
Background Analysis of Intranet Threat Management
The power industry is a technology-intensive and equipment-intensive industry. Its unique production and operation methods determine its informatization development model. Due to the particularity of the industry, the power industry puts forward high security, high reliability, and high stability requirements for IT equipment. Various power enterprises have accelerated their informatization processes,
Intranet threat detection
Threat detector is a high-performance security device based on high-performance ASIC chip architecture that achieves centralized Intranet identity management and attack suppression with full-line rate computing efficiency. An Intranet threat detector is a 2nd-layer device in a layer-7 network model. It manages resources on the layer-2 ne
Build a server on the Intranet to connect to the Intranet from the Internet
Build a server on the Intranet to connect to the Intranet from the Internet
EnvironmentServer: CentOS 6.7 32-bitClient: Windows XP
Server Configuration# Disable SELinuxSed-I '/^ SELINUX \ B/s/=. */= disabled/'/etc/selinux/configSetenforce 0
# I
Intranet penetration 1: Use the Xss vulnerability to access the Intranet
0x01: Popular Science
Beef is currently The most popular WEB Framework attack platform in Europe and America. Its full name is: The Browser Exploitation Framework Project. beef uses a simple XSS vulnerability to write JavaScript (hook. js) controls the browser of the target host, obtains detailed information about the host through the
If a service of Tongcheng tourism is improperly configured, getshell enters the Intranet and the Intranet Structure is leaked.
Http: // 61.155.159.159/cacti/
Cacti System61.155.159.159 ftp blank password access
ftp> ls229 Entering Extended Passive Mode (|||12888|)150 Opening ASCII mode data connection for file list-rw-r--r-- 1 root root 653445 Jun 26 2014 6.7-nconf-tianyan-memcached.20140626.tg
Server information is as followsExternal network server: eth0: Public network IPEth1: Intranet IP (192.168.10.205)Public network to provide services, intranet IP and internal LAN communication.Configuration Process :(1) Open iptablesService iptables Restart (temporarily open)Chkconfig iptables on (permanently open)(2) Configuration iptables(2-1) Configure the filter option so that IP and port can be passed
Cofco I purchased a device defect on the internet, causing password cracking to enter the Intranet (the Intranet is not roaming)
Cofco I bought a weak password from a certain system on the Internet. It is too easy to describe it like this. It is too clear that everyone knows where the problem is. It can be accessed through the Intranet without roaming.CVE-2012-4
H3C communication examination system Getshell can be Intranet (affects the security of dozens of Intranet terminals)
RtI have to learn h3c for more than half of my college time. I don't know why...Display...
Https://iexam.h3c.com/customize/nwc_user_enterprise/login/login.htmlUsing the new software system that can be injected, getshell
root@kali:/usr/share/sqlmap/output# sqlmap -u "https://iexam.h3c.com/site
Use scenario: have overseas host, want to use this host to visit the website of the wall; the room only provides an SSH entrance, want to visit other machines in the intranet (such as Tomcat admin page); tools: Chrome browser Switchyomega plugin securecrt steps: 1, SECURECRT create a new session, and configure SSH to overseas host, or engine room Portal Host 2, SECURECRT new session options, configure Port forwarding: "Local" fill in a port number (su
this IP address on the vro and add it to 10 on Linux. xx. xx. the default route of xx/8, and then my WorkStation gets the Intranet access permission (no VPN or other restrictions, the access permission is equivalent to the router permission ).
It is very casual to let your WorkStation into the Intranet. There are too many methods, because this Ubuntu is already in the
Intranet
At present, the Aliyun server intranet is a gigabit shared bandwidth with no special restrictions. Because it is a shared network, bandwidth speed is not guaranteed to be constant.
If you need two ECS instances of the same region to transmit data, it is generally recommended to use intranet connections.
SQL Optimization-logical Optimization-external connections, nested connections, and elimination of connections, SQL nesting
1) eliminate external connections
① External connection Introduction
1) left join/left outer join: LEFT OUTER JOIN
The result set of left outer Join includes all rows in the LEFT tabl
must have a public network user to participate in seed. Otherwise, other Intranet users cannot download seed. if all users are Intranet users, all connections will not be established. Of course, this is an extreme situation.As shown above, Intranet users cannot connect to intranet
, read/write control, encryption management, and behavior audit for Mobile storage devices on the client.
Resource management
This includes control over computer systems, various peripherals, applications, ports, network connections, files, and other resources, and the combination of authorization and violation records, manage resource usage behaviors to ensure resource usage controllability.
Monitoring Audit
It provides centralized monitoring and aud
Port ing principle
To connect a computer on the Intranet to the Internet, port ing is required.Port ing is divided into dynamic and staticDynamic port ing:A computer in the Intranet will send packets to the NAT gateway to access xinlang. the packet header includes the IP address, port, and local IP address and port of the other party (I .e. xinlang network, the NAT gateway will replace the local IP address
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