[cisco-voip] Cisco VoIP and Security

[Voll, Scott]

Start off looking at Cisco's "SAFE" concept.

Keep everything off the Voice Vlan.  ACLS can help with that.  But remember you may want to admin the box off vlan, AC ports will need to be open if you're using it, Agent desktops if used, etc. 

I have not heard of an attack via the PSTN.  But with that said, I guess anything is possible.


Scott

PS.  If Phone service is a 99.99% uptime may I suggest you get a second CM.


-----Original Message-----
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of christophe
Sent: Monday, April 11, 2005 11:40 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Cisco VoIP and Security

Hi,

I'm building an achitecture composed of 10 hardphones, 1 call manager
4.1 and as gateway a Cisco 2811 connected to my telephony Operator.
My phone service is the most critical service in my company (our
calls are Confidential and must be always available) 

What kind of security should I implement ?
What are the risks of intrusion from the phone line in my network
through  the 2811 gateway, is there a sens to implement IOS FW on the
2811?

Thanks for your advice.

Chris


	

	
		
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