-=PCTechTalk=- Re: firewall - router
- From: "Bashful Bob" <Bashfulbob@xxxxxxx>
- To: <pctechtalk@xxxxxxxxxxxxx>
- Date: Tue, 15 Feb 2005 12:46:32 -0600
Hi Cowboy
Beg to differ with you Cowboy and this is why, in a general sense.
A router is so much different then a switch, in theory and in the beginning
anyway. Now days the more expensive switches are so close to routers that it
is hard to tell the difference.
In addition to what you stated, which I agree with, Routers (and switches
which function like routers) use their own IP Address for Traffic (Internet
or Intranet).
A switch when used on Intranet (LAN) (that does not function like a router)
set ups, usually receives a message and looks up the destination address in
its tables and sends the message out a individual port that connects to the
destination.
A router is and was design to check the conditions of the Internet system
and make best use of its findings in sending its message using RIP 1 & 2,
BGP and a few other Internet routing protocols. (Where a switch was not
designed or intended to do that, at least in the beginning) A router can
have a (or do what a switch does for an LAN or Intranet network) a switch on
the back end of it and that is keep track of which port what network
machines are on and send the message out that particular one port and not
out every port.
Now if the router has a hub on the back end of it, it will not do what the
switch does, it will send the incoming out every port instead of just one
port.
A switch was initially designed to direct traffic in the Intranet and
separate different networks from others in the Intranet (or LAN, if you
prefer). A router can and does this also.
Over time, manufactures started to blend the two designs together to make
each function like the other.
In the hierarchy of devices, the router is usually given a (at least) one
step above a switch.
Life is what happens in between plans.
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----- Original Message -----
From: "The Keyboard Cowboy" <KBCowboy@xxxxxxxxx>
To: "Cris" <pctechtalk@xxxxxxxxxxxxx>
Sent: Tuesday, February 15, 2005 11:44 AM
Subject: -=PCTechTalk=- Re: firewall - router
> The main purpose of the firewall router, or "switch" as it's often
called,=
> is to mask the address of your computer from the outside. It replaces
your=
> computer address with a new one......and that address can't be accessed=
> from the outside.
>
> =A0 Regards from
>
> Bob -- the "Keyboard Cowboy",
> =A0 =A0 =A0 =A0 =A0 ,,,,,,,,
> =A0 =A0 =A0 =A0 =A0=D4=BF=D4=AC
> =A0 =A0Cincinnati, Ohio
> Scottsdale, Arizona
> ---------------------------------
> Tuesday, 2/15/2005, @ 12:43:17 PM EST
> ---------------------------------
> The beloved of the Almighty are the rich who have the humility of the
poor,=
> and the poor who have the magnanimity of the rich.
>
>
>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D|:o:|=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> On Tue, 15 Feb 2005 09:45:22 -0500, Cris wrote:
> =A0 | =A0 I always believed that too - if they run together, it sure
> =A0 | =A0 doesn't hurt. thanks!
> =A0 | =A0 What DOES the router firewall protect me from? Cris -----
> =A0 | =A0 Original Message ----- From: Mike To: pctechtalk@xxxxxxxxxxxxx
> =A0 | =A0 Sent: Monday, February 14, 2005 8:43 PM
> =A0 | =A0 Subject: -=3DPCTechTalk=3D- Re: firewall - router
> =A0 |
> =A0 |
> =A0 | =A0 Hi Chris
> =A0 | =A0 I'm a firm believer in having all the protection I can get. A
> =A0 | =A0 router does not protect you from
> =A0 | =A0 programs/malware/spyware/Trojans from
> =A0 | =A0 sending information out from your computer.
> =A0 |
> =A0 | =A0 Mike ~ one of the Moderators
> =A0 | =A0 It is a good day if I learned something new. Editor
> =A0 | =A0 MikesWhatsNews http://www.mwn.ca/
> =A0 |
> =A0 | =A0 ******* Mike's =A0REPLY SEPARATOR *********
> =A0 |
> =A0 | =A0 On 2/14/2005 at 7:53 PM Cris wrote:
> =A0 |
> =A0 | =A0 My son and his friend made our Linksey's wireless router into a
> =A0 | =A0 wired and wireless system. (The one computer is still wireless,
> =A0 | =A0 but they wired the house).
> =A0 | =A0 They had me uninstall my firewall. They said that the firewall
> =A0 | =A0 in the router was better than any other firewall and I didn't
> =A0 | =A0 need one on my computer. I did re-activate my windows firewall
> =A0 | =A0 after that. Is this accurate information? or should I put a
> =A0 | =A0 firewall back on here?
> =A0 |
> =A0 | =A0 thx!
> =A0 | =A0 cris
> =A0 |
> =A0 |
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