Firewall and VPN Server
Internet is good but dangerous. We provide several levels of protection for your internet network.
Basic IP Filtering by NAT Router
For customers of our broadband service, we provide a firewall router which come with IP Filtering function. IP Filtering is a safe way to protect your internal network, because it simply block ALL in-coming network requests. However, it is not suitable when you intentionally want to let outsiders to connect to your network. For example, setting up a email or web server inside your company.
Linux IPcop Server
IPcop is a very stable, very secure and very popular open-sourced Linux application which is employed in many many large corporations and small office. IPcop is free-of-charge but very powerful. Major features are:
IPCop is a complete firewall installation, taking control of the machine and replacing any other operating system that is installed. Therefore, it is not similar to packages like ipchains or any of the GUI firewall administration tools. It is not an additional security service you would run on your machine; rather, it is a complete operating system and firewall administration kit in a box that the user would dedicate a single machine to house and run as an Internet gateway.
IPChains-based firewall
- External interface support PPPoE ADSL connections Internet.
- DMZ Support on separated interface
- Web-based GUI Administration System
- DHCP server, Caching DNS, Http proxy, TCP/UDP port forwarding
- Intrusion detection system (Snort)
- IPSec based VPN Support (FreeSWAN) with 3DES
Cisco PIX Firewall
The Cisco PIX Security Appliance plays a vital role in the Cisco strategy to use integrated security to build a Real Self-Defending Network.
From compact "plug-and-play" appliances for small and home offices to modular carrier-class gigabit appliances for enterprise and service-provider environments, Cisco PIX Security Appliances provide robust, enterprise-class integrated network security services to create a strong multilayered defense for fast-changing network environments.
Security and networking services include virtual LAN (802.1q tag) support; OSPF dynamic routing; NAT; PAT; content filtering (Java/ActiveX); URL filtering; authentication, authorization, and accounting (RADIUS/TACACS+) integration; support for leading X.509 public key infrastructure solutions; and DHCP client, server, relay, and PPPoE support.
Cisco PIX Security Appliances support various remote access VPN clients including Cisco software VPN clients, Cisco hardware VPN clients, as well as PPTP and L2TP clients in Microsoft Windows operating systems. Cisco PIX Security Appliances encrypt data using 56-bit DES, 168-bit 3DES, or up to 256-bit AES encryption. Many Cisco PIX Security Appliance models support modular upgrades and have integrated hardware VPN acceleration capabilities, delivering highly scalable, high-performance VPN services.
Cisco PIX Security Appliances also provide advanced security services for multimedia and voice standards, including H.323 Version 4, SIP, Cisco Skinny Client Control Protocol, RTSP, and Media Gateway Control Protocol, allowing businesses to securely take advantage of the many benefits that converged data, voice, and video networks deliver.
Self Test
If you are not sure whether your network is secure or not, try one of the following free online test. If you get pass on all of them, you have done a pretty job and your network is almost 99.9% secured. If not, please call us for a better solution.
