As stream VoIP over the corporate firewall

Employees should be banned to bypass a firewall company or fit the parameters to voice over IP (VoIP) to enable calls.

To pass, the role of VoIP in the corporate network without sacrificing security is the responsibility of the Network Manager enable. The difficulty of this problem is to create effects for voice that can not follow data - piracy is more common in the networks for data and speech systems. You must overcome the delicate lower voice firewall settings location and high security against data. Level of difficulty: Moderately easy

Instructions

1. 1

   Separate voice traffic and data on the network by creating a virtual LAN (VLAN) for VoIP.

Two install Gateway network: one for managing traffic and one for the VoIP VLAN. The VoIP gateway must perform the firewall software VoIP better, the VoIP calls is suitable. Existing enterprise firewall can continue to monitor the traffic on the corporate network. It is difficult to easy firewall, find VoIP software. Although it standards for firewalls with VoIP services be compatible are, are not widely available.

2

Ask your VoIP provider for a virtual private network (VPN).

Most VoIP services are based on the who uses random ports and is therefore not compatible with your firewall Session Initiation Protocol. On the other hand a VPN uses "Tunnel" that wraps VoIP packages, in a second package is always to the same port. You can define firewalls allow traffic through the specified port. Once on your router, the V StrukturPN is from the coast and packet progress on your network as originally planned away.

3

p > go VoIP provider if you can provide a virtual private network. Service providers provide transmission secure VPN technology.

4

Create your own VPN when everything else fails.

Put a router in a demilitarized zone (DMZ) outside your firewall and directing all VoIP traffic to this address. With VPN software, packaging to route the incoming calls under VPN traffic on a port opened by your firewall.