firewall zyxel

For RAC databases with NAT or firewall, ORA-12545 connection Errors often occur when load balance is enabled on the server, because after the server forwards client connection requests to other nodes, the client uses the returned IP address to send a connection request again, resulting in an unrecognized IP address or host name. This article describes the problem and provides a solution. For more information about RAC listener configurations, see Orac

Article Title: setting up a firewall for individual users who build a Linux Firewall. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. As an example, we create a firewall for a common home user. Assume that the home user genera

One:SELinux is the abbreviation for "security-enhanced linux", developed by the NSA "nsa=the National security agency" and SCC (secure Computing Corporation) An expanded mandatory access control security module for Linux. (Excerpt from Baidu Encyclopedia)SELinux has a choice of "disabled""permissive","enforcing"3.The default for my computer is enforcing.Check if SELinux is on command sestatus if the status is enabled, SELinux is turned onPermanently close SELinuxVim/etc/selinux/configDefault sel

Disable firewall in CentOS7 and use iptables to manage the firewall In centOS7, the firewall management firewall is used by default, so I want to change it to iptables: 1. Disable the default firewall # Systemctl stop firewalld. service stop firewalld service # Systemct

Ubuntu default installation is not open any firewall.When you use service iptables status , you are prompted to iptables:unrecoginzed service. This means that the service is not recognized.The following methods are from http://blog.csdn.net/lywzgzl/article/details/39938689, but the test found that This method is no longer available in Ubuntu#在ubuntu中由于不存在/etc/init.d/use.Through the above method, finally can not solve, through the research found that the above command is already old version, in

How does ubuntu shut down the firewall and ubuntu shut down the firewall? 1. disable ubuntu firewall ufw disable2. uninstalled iptables apt-get remove iptables1. Use the iptables-F command to disable the firewall. before using this command, you must remember to use iptables.-L check the default target and iptables of

In the previous articles, I talked about some operations on the firewall. What do I do today?AddAndDeleteAllow firewall programs to enter the exception list In this article, we use com references, because the operations are too complicated without com references. 1. Add com references In reference, select the com page and findNetfwtypelib, OK II. Introduction of namespaces using NetFwTypeLib; 3. Add excep

Win10 firewall configuration tutorial, win10 firewall tutorial Customizing settings in Windows 10 is a big problem. For Tom, win10 settings are complicated, therefore, Security and maintenance are even more important. Next we will explain how to set up the firewall in win10. First, find the control panel option on the desktop. Then click in If not, right-click

Networking program Rules Users can also write their own firewall rules to further enhance the protection capabilities. Users can adjust the firewall's protection strength and mode in the "Networking program rules" and "IP Rules". The "Networking program rules" are the main constraints on the local application network permissions, if some software is always automatically updated, and users do not want to be harassed, you can in the networking program

Cloud fire wall: Source: CISCO defines a text concept of the fifth-generation firewall when promoting ASA; Technology: passthrough firewall supports cloud-related functions such as cloud Policy Library update and cloud access (SSLVPN) Cloud monitoring (Netflow; Entity: it is still deployed at the gateway location such as the enterprise CPE side and data center. Cloud

Although Vista provides a built-in firewall control interface, it is not convenient. Vista Firewall controller can easily control traffic from the network behavior, to add a layer of Windows Vista Barrier, control program of the Internet access, protect your personal information is not easily leaked through the network. Main function: -Design for Windows Vista -Free -Protect your computer from access and f

The firewall sets open ports for external use, and the Firewall opens ports for external use. When deploying the project today, I met another person in the project team who reorganized iis on the server. As a result, I couldn't access the subordinate project externally and found the setting method through some channels. The following error is reported: The reason is that the "Inbound ICMP rule" has bee

Optimization of Linux soft firewall ACL matching: linux Firewall acl matchingFirst, the request should not be framed by Netfilter! Although it has some inherent performance loss, please do not equate iptables with Netfilter. If you want to catch the culprit, please say iptables directly, rather than Netfilter!Iptables is really weak! Its ipt_do_table is one of the five major culprit. If the rule exceeds 700

　　One: Software download and installation Users can download the software from the black and white network. After downloading the compressed package decompression, double-click the name "AutoFireWall.exe" executable file, pop-up main interface as shown: Figure I 　　Second: Software use Software includes monitoring information, firewall settings, and other modules. Click "View Monitor Record", will pop up a notepad record. Autorun virus

Method: 1, click the right mouse button in the Start menu, click "Run"; 2, in the box input: services.msc Click OK Open "service"; 3, double-click to open the "Windows Firewall" service, we found that all the buttons inside are gray, first of all, he set up the way to "Automatic", click "Application"; 4, then we can "start" button, after the start, click OK. 5, in the Start menu right click, select "Control Panel"; 6, view the way to cha

Press "Win+r" key, enter CMD in the Open box, open the Command Line window. Input command: netsh firewall set opmode disable, press ENTER. If you have installed anti-virus software, there may be security prompts. Select "Allow action". Run the command, the interface will appear the following prompt. View the netsh advfirewall help documentation (click to enter). The command to turn off the firewall