Ipsec Open Source

This article describes how to use an external DHCP server to assign IP addresses to your IPsec VPN clients.

This recipe allows access for members of the Employee user group, created in the previous recipe, Creating security policies for different users.

In this recipe, two-factor authentication is added to a user account to provide extra security when connecting to an IPsec VPN using FortiClient for Mac OS x.

For small and medium-sized enterprises, there are many free and open source router and firewall solutions, even as a business choice. 　　Many of these products offer LAN services, such as VPN services, hotspot gateways, and the use of mandatory network portals to share wireless networks. Here, the editors find open source and free router projects that are suitable for businesses that include small businesses, midsize, and even the size of Cisco and Juniper.  Gossip Less, we look at these seven open source and free Linux network operating system. &nb ...

This article shows how to use remote IPsec and SSL VPN tunnels to bypass Internet access restrictions.

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 ...

Introduction Cloud application developers and DevOps have successfully developed tens of thousands of applications for IaaS (Amazon AWS, Rackspace, etc.) and PAAs (Azure, Google App Engine, Cloud Foundry, etc.) platforms. These platforms provide basic security mechanisms such as authentication, Dos attack defense, firewall policy Management, logging, basic user and account management, but security concerns remain the primary obstacle to enterprise cloud implementations. Security concerns for the cloud, deploying from a secure configuration ...

The Cloud Security Alliance (CSA) 's latest report, "The main threat to cloud computing", presents some emerging risks and modifies and reordered existing risks. The report, entitled "Nine sins: the main threat to cloud computing in the 2013", is based on feedback from cloud computing and the security community, where many individuals and organizations weigh the risks they face, which are the most recent reports that deserve more attention. As one of the three co-chairs of the Working group responsible for the report, I have raised a number of questions regarding the fourth threat on the list ...

According to the 2012 Cisco Global Cloud Network survey, most IT decision makers see the cloud-ready network as the biggest requirement for implementing business applications to cloud migration. To address this dilemma, Cisco today announced the introduction of Cisco Cloud Interconnection Solutions, introducing a cloud-enabled routing and WAN optimization platform, and an open architecture that enables users to connect intelligently to cloud services-innovative Cloud Connector. The Cisco Cloud Interconnection solution contains three key elements: Cloud connector– hosted on the ISR G2 platform for new software modules ...

To adapt to the needs of information and mobile office, many enterprises have deployed VPN servers. The VPN (virtual private receptacle), which is built on the Windows Server 2003-based Routing and Remote Access service, is a secure and convenient remote access solution, and is now the preferred choice for most small and midsize enterprises. 　　Then how to secure the VPN is a problem for the enterprise CIO to face. VPN solution is to virtual ...