Firewall Wizards mailing list archives
RE: NetMeeting with NAT
From: "Robert Graham" <robert_david_graham () yahoo com>
Date: Thu, 16 Nov 2000 18:54:12 -0800
We've been implementing some of the latest multimedia protocols in order to both pass them through the personal firewall and do IDS on them. Some of them are truly nasty. "Stateful" firewalls rarely keep enough state around in order to track the entire TCP connection, they instead just keep the state around for one or two packets. Some of the newest protocols require keeping state starting with the first byte in the connection. VoIP in particular has some nasty compressed ASN.1 formats that require heavy duty processing in order to track things correctly, which is far behind the complexity levels of traditional firewalls. I believe that packet-based firewalling for outbound clients is going to get progressively tougher and tougher. Rob. -----Original Message----- From: firewall-wizards-admin () nfr com [mailto:firewall-wizards-admin () nfr com]On Behalf Of Justin Laporte Sent: Wednesday, November 15, 2000 6:55 PM To: firewall-wizards () nfr com Subject: [fw-wiz] NetMeeting with NAT I have encountered problems with trying to get Netmeeting or similar applications to function with dynamic nat translation on Cisco IOS. Is there a noted fix for this? I have been told by other engineers in my organization that it is a noted issues with Cisco, however I have not seen documentation to resolve this. Any help or direction would be greatly appreciated. Thanks in advance, ------------------------ Justin Laporte Network/Systems Engineer Independant Consulting _______________________________________________ firewall-wizards mailing list firewall-wizards () nfr com http://www.nfr.com/mailman/listinfo/firewall-wizards _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com _______________________________________________ firewall-wizards mailing list firewall-wizards () nfr com http://www.nfr.com/mailman/listinfo/firewall-wizards
Current thread:
- NetMeeting with NAT Justin Laporte (Nov 17)
- Re: NetMeeting with NAT Marc Alvidrez (Nov 18)
- RE: NetMeeting with NAT Robert Graham (Nov 22)
- Re: NetMeeting with NAT Mikael Olsson (Nov 22)
- Re: NetMeeting with NAT Fabio Pietrosanti (naif) (Nov 24)