From: gufus on
Hello, FromTheRafters!

You wrote on Thu, 8 Apr 2010 20:36:05 -0400:

FL>> Good question, one that works, and... and....
|
| Can you tell me, in your own words, what a firewall does when it "works,
| and... and...."?
|
That's /not/ a easy answer. :-)

--
With best regards, gufus. E-mail: stop.nospam.gbbsg(a)shaw.ca


From: FromTheRafters on

"gufus" <stop.nospam.gbbsg(a)shaw.ca> wrote in message
news:rE4wn.28402$iL1.6978(a)newsfe24.iad...
> Hello, FromTheRafters!
>
> You wrote on Thu, 8 Apr 2010 20:36:05 -0400:
>
> FL>> Good question, one that works, and... and....
> |
> | Can you tell me, in your own words, what a firewall does when it
> "works,
> | and... and...."?
> |
> That's /not/ a easy answer. :-)

I appreciate that...

....take your time...

:o)


From: gufus on
Hello, FromTheRafters!

You wrote on Sat, 10 Apr 2010 18:39:26 -0400:

|
| I appreciate that...
|
| ...take your time...
|

Some things to consider... egads!
Protocols:
TCP
UDP
IP
ICMP
SHTTP
HTTP
POP
POP3
SMPT
IPv4
IPv6

port range 1-1056

|

--
With best regards, gufus. E-mail: stop.nospam.gbbsg(a)shaw.ca


From: gufus on
Hello, FromTheRafters!

You wrote on Sat, 10 Apr 2010 18:39:26 -0400:

| I appreciate that...
|
| ...take your time...
|
BTY.... check out: https://www.grc.com/x/ne.dll?bh0bkyd2
|

--
With best regards, gufus. E-mail: stop.nospam.gbbsg(a)shaw.ca


From: FromTheRafters on
"gufus" <stop.nospam.gbbsg(a)shaw.ca> wrote in message
news:2z7wn.28791$vC3.27910(a)newsfe04.iad...
> Hello, FromTheRafters!
>
> You wrote on Sat, 10 Apr 2010 18:39:26 -0400:
>
> |
> | I appreciate that...
> |
> | ...take your time...
> |
>
> Some things to consider... egads!
> Protocols:
> TCP
> UDP
> IP
> ICMP
> SHTTP
> HTTP
> POP
> POP3
> SMPT
> IPv4
> IPv6
>
> port range 1-1056

So, you are considering a dedicated device running protocol filtering as
well as NAT and SPI?

Maybe this would be of interest?

http://www.vicomsoft.com/knowledge/reference/firewalls1.html

Once you have a dedicated device (computer?) you can even traverse OSI
layers and, for example, render the contents of POP3 e-mail and scan an
attachment for viruses. This increases overhead on the device, but won't
slow down the end user's machine.


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