Re: [PCWorks] Firewall Blocking Audio Stream

  • From: "Clint Hamilton-PCWorks Admin" <PCWorks@xxxxxxxxxxxxxxxxxxxxxxxx>
  • To: <pcworks@xxxxxxxxxxxxx>
  • Date: Tue, 23 Nov 2010 01:25:28 -0600

The routers I've used I don't think are available anymore. 
DLink DI-704, Motorola BR700, and an Inexq IS050T.  So you can 
see how new ones would compare to those.  Like I said in my 
last post, those are pretty basic broadband routers and were 
cheap, so any decent router should give you the same ability.

As to the exact answer to your question, I don't know what 
that's called, maybe Ben would know.  Below is a paste from the 
PDF manuals of the DLink and Motorola:

DLink DI-704
1.1 Functions and Features
! Broadband modem and IP sharing
Connects multiple computers to a broadband (cable or DSL) modem 
or an Ethernet router to surf the Internet.

! Auto-sensing Ethernet Switch
Equipped with a 4-port 10/100Mb auto-sensing Ethernet switch.

! VPN supported
Supports multiple PPTP sessions and allows setup of a VPN 
server and VPN clients.

! Firewall
All unwanted packets from outside intruders are blocked to 
protect your Intranet.

! DHCP server supported
All of the networked computers can retrieve TCP/IP settings 
automatically from the DI-704.

! Web-based configuring
Configurable through any networked computer's web browser using 
Netscape or Internet Explorer.

! Access Control supported
Allows you to assign different access rights for different 
users.

! Virtual Server supported
Enables you to expose WWW, FTP and other services on your LAN 
to be accessible to Internet users outside of your LAN.

! User-Definable Application Sensing Tunnel
User can define the attributes to support the special 
applications requiring multiple connections, like Internet 
gaming, video conferencing, Internet telephony and so on, then 
the DI-704 can sense the application type and open a multi-port 
tunnel for it.

! DMZ Host supported
DMZ Host fully exposes a networked computer to the Internet. 
Use this feature when the special application sensing tunnel 
feature does not allow an application to function properly.

------------------------------------------------

Motorola BR700
4-port Full Duplex 10/100 Ethernet Switch and Router
Enables connection of up to 4 PCs. The routing function enables
each of your networked PCs to share files and printers as well.

Firewall and NAT Protection
Protection against Internet intruders is crucial and the 
built-in
Firewall will protect you. Of course, the product also supports
Virtual Private Network (VPN) connections through the firewall,
allowing you the freedom to connect when you need it.
Also supported are the NAT and MAC filtering protocols, giving
you the choice to share your Internet connection with only 
those
whom you designate.

Your Motorola Ethernet Broadband Router BR700 protects and
connects you by sharing your files, Internet connection, 
printers and
multi-player games, all in one great unit.

Features
The BR700 has the following features:
! CD-ROM based Installation Wizard to provide easy installation
! Web-based configuration of features using any web browser
! Firmware upgrade to stay current with latest specifications
! Firewall protection with NAT translation, IP and MAC address 
filtering
! A built-in DHCP server to easily configure a private Local 
Area Network (LAN)
! Virtual Private Network (VPN) pass-through allowing remote 
connection with your corporate network

End.
-Clint

Happy Thanksgiving to all & God Bless,
Clint Hamilton, Owner
www.OrpheusComputing.com/Thanksgiving-sales-specials.html
www.OrpheusComputing.com
www.ComputersCustomBuilt.com
www.OrpheusComputing.com/cheap_reliable_web_hosting.html
www.OrpheusComputing.com/PCworks-computer-help-email-list.html

----- Original Message ----- 
From: "Tom"


This will be my last question, Ben.

What feature should I look for in a router's specifications
that will allow any port to be opened by the user?

Thanks again,

Tom

** Message Separater **
>
>I should have been more detailed when I wrote that answer.
>I thought about port forwarding ... here's a quote from the
>manual, "Also note that DMZ hosting , Port Forwarding and
>Application level modem settings are active only when the
>firewall is off."
>
>So the answer is no.  It really is a very simple firewall.
>
>You are correct though.  Port forwarding would be an option
>in that situation with different hardware.
>
>Ben
>
>-----Original Message-----
>
>Hi Ben,
>
>Thanks for your reply.  Out of curiosity, will port
>forwarding accomplish opening port 8000 so I can listen to
>the audio stream?  In looking through the webpages available
>from the router I found that it has several presets for port
>forwarding and it also gives the option for adding ports.  I
>was going to just try adding port 8000 to port forwarding but
>thought I'd better ask first before I might get myself into
>trouble (doing something I don't know anything about).
>
>I'm always interested in learning and from what I find, it
>seems like port forwarding is what I need to allow the audio
>stream to come through.
>
>Thanks again,
>
>Tom

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