Linux Firewall Gui

Today, open source firewalls are numerous. 　　This article will cover 10 of the most practical open source firewalls that fit your business needs. 1. Iptables Iptables/netfilter is the most popular command line based on firewalls. It is the safe line of defense for Linux servers. Many system administrators use it to fine-tune the server. The function is to filter packets from the network stack in the kernel, including: listing the contents of the packet filtering rule set, and executing fast because it only checks the header of the packet, and the administrator can ...

The topic of this article is the SELinux configuration on Rhel 5. Rhel also provides http://www.aliyun.com/zixun/aggregation/18378.html "> Graphical user Interface (GUI) and command line two ways to configure SELinux. To demonstrate SELinux simplicity, this article uses the Rhel GUI to enable SELinux. To enable SELinux from the Rhel GUI, click the system in turn ...

SME network security guidelines. [Theory] As the training site said, the enterprise's network security is a system, do all aspects of what is a major project, even if only a branch of network security also takes a long time to build, so in the early need to resolve the current main contradictions (ie "Stop bleeding" and control most of the risks in the first place). Based on the past experience of several of our people, we suggest that you have the following key positions in the control, you can achieve more with less effort immediate effect: 1) port control. All server non-business ports are all closed to the internet, managing ...

"Editor's note" If you are a careful person, you will notice that devices in your home or office, such as televisions and routers, have rarely been upgraded since the factory, and they usually have a proprietary hardware platform and embedded Linux operating systems, but now the next generation of it change has begun, These proprietary devices will make way for multi-core processors such as arm and Intel, and the presence of micro-servers will change many industries today, and if you are a VC, this could be your next investment goal. The following is the full text: Have you ever calculated your home or work ...

The cloud storage Standard--CDMI specification, published by SNIa in April 2010, may have been a thrill for cloud-storage-related vendors, but how much does it do for the security and stability of cloud storage and the scalability of the current user's suspicions?     We don't know. Cloud storage was originally a concept that came out after cloud computing, but it didn't come up with a standard before cloud computing. This also fulfilled the phrase Bill Gates once said: "Cloud storage will be faster than cloud computing." Cloud ...

OpenSSH is an important remote management tool on Linux and is known for its security. It is believed that most users are already familiar with the use of openssh, such as using SSH for remote connections, using SCP, sftp copying files, and so on. But the power of OpenSSH is much more than that, and we will show you the following. 1.X11 forwarding uses the-X option to display GUI programs on remote Linux locally. Log on to the remote system and enable X11 forwarding you can use the following command: Ssh-x us ...

In recent years, the popularity of smartphones in mobile terminals has gradually increased, and gradually formed a trend. We may still remember, the goddess of the mobile phone is 210,000 of the news, the instant detonation of the mobile end of the various threats, the mobile phone users are scams, spam security issues are pushed to the forefront, a variety of virus attacks on mobile phones has become the focus of attention. 2014, according to a network security report survey data show: participation in Mobile survey users encounter information network security incidents ratio of up to 68.83%, mobile network security situation is not optimistic, mobile terminals security issues are increasingly prominent ...