40 %
60 %
Information about HBergstrom

Published on April 8, 2008

Author: Urban



Intertex Data AB, Sweden:  Intertex Data AB, Sweden IX66 Internet Gate A Firewall with SIP Support Prepared for: Voice On the Net DEMO, Spring 2001 By: Henrik Bergstrom Research and Development Intertex Data AB Demo Setup:  Demo Setup Internet (public addresses) LAN (private addresses) SIP Home Appliances Controller SIP to GSM through Firewall:  SIP to GSM through Firewall Dynamic session setup SIP forwarding RINGING! SIP to SIP through Firewall:  SIP to SIP through Firewall Internet (public addresses) LAN (private addresses) SIP Home Appliances Control:  SIP Home Appliances Control DO sip:lamp@ <Device>lamp</Device> <Action>power on</Action> Internet (Ethernet) LAN (Ethernet) SIP Server SIP Home Appliances Controller ”Media Proxy” Setup:  ”Media Proxy” Setup Non SIP capable firewall DMZ LAN WAN Media streams and SIP signalling SIP capable firewall SIP Capable Firewall functionality:  SIP Capable Firewall functionality General Dynamic control of access lists (“holes”), based on SIP and SDP data Session statefulness, e.g. to track end of call Understanding of security issues in SIP, i.e. don’t allow everything in the protocol Additional for NAT (Network Addr. Translation) Rewriting of SIP and SDP data Media stream translation Accessing Protected Devices:  Accessing Protected Devices Firewall Problems: Sessions initiated from outside of the firewall - OK, open port 5060, but… Media streams on dynamically allocated port numbers - Ooops…  ! Even with public IP addresses inside Accessing Protected Devices:  Accessing Protected Devices NAT & PAT Problems: Where is the device? - Registration/location function Private IP addresses and ports in SIP messages - Rewrite with globally routable addresses IP address and port of media stream has to be modified - NAT engine has to be dynamically controlled Worse with private IP addresses inside Home Appliances Control:  Home Appliances Control Control your temperature, refrigerator, alarm, toaster and more… An extension to SIP in progress See Submitted to OSGI See The Intertex IX66 Internet Gate:  The Intertex IX66 Internet Gate As Internet Gate ”only” or with integrated ADSL modem The Intertex IX66 series OEM as: PowerBit Telia SurfinBird The Intertex IX66 Internet Gate:  The Intertex IX66 Internet Gate A closer look Firewall & NAT/PAT SIP Proxy and Registrar DHCP Server WEB Server for configuration Appliance control, LAC via expansion port The Intertex IX66 Internet Gate:  The Intertex IX66 Internet Gate Goodies Two Ethernet and one USB port Expansion port, e.g. for appliance control Smart Card Reader Upgradeable And more… Optional ADSL Built-in SIP Capable Firewalls:  SIP Capable Firewalls Products from Intertex IX66 for the SOHO market, with or without ADSL Linux based firewall for larger LANs Linux based Media Proxy as an add on to existing firewalls. Handles large systems.

Add a comment

Related presentations

Related pages

Hotel Bergström, Das Bergström, Wasserviertel Lüneburg ...

Herzlich willkommen im Romantik Hotel Bergström Lüneburg! Unsere historischen, liebevoll restaurierten Gebäude bilden ein einmaliges ...
Read more

Wisconsin's #1 Dealership Group - Experience the Bergstrom ...

Discover the Bergstrom Advantage where you get a great deal more. Wisconsin's #1 dealership group for new & used cars.
Read more


Das ist die Webseite der Familie Bergström. Der tägliche Besucherdurchschnitt liegt bei 7 Besuchern.
Read more

Bergstrom Europe Ltd

About Bergstrom We design and manufacture cab climate systems for various vehicles - Construction, Agricultural, Military, Niche Automotive and others.
Read more

BERGSTROM LANGUAGE SERVICES - English Training in Hamburg

English training in Hamburg - when and where you need it. BERGSTROM LANGUAGE SERVICES
Read more

Hotel Bergstrom (Lüneburg): 290 Hotel-bewertungen und 114 ...

Hotel Bergstrom, Lüneburg: 290 Bewertungen, 114 authentische Reisefotos und günstige Angebote für Hotel Bergstrom. Bei TripAdvisor auf Platz 3 von 20 ...
Read more

Bergstrom – Wikipedia

Der Bergstrom ist ein Arm der Gera im westlichen Stadtgebiet von Erfurt. Verlauf . Die Gera zweigt sich kurz vor der Espachstraße in zwei Arme auf: der ...
Read more

About Bergstrom

About Bergstrom We design & manufacture cab climate systems for commercial trucks, off-highway machines, military vehicles & other specialty vehicles.
Read more

Bergstrom Online Shop - Online-Shoppingportal

10 Bergstrom Produkte im Angebot (Stand: 21.09.2015). Jetzt Preise vergleichen und sparen!
Read more


Keine Information ... Ein "lustiges" Video. Hier können sie ein paar Demovideos ansehen. (Allerdings nur wenn das Gerät, welches sie benutzen, Adobe ...
Read more