Incorrect 1024-65535 are the random TCP ACK ports.
Just do a netstat -an and you'll see TCP 0.0.0.0:{GT 5000) LISTENING
Also, only a state based firewall will allow the TCP back channel ports by
default.
An access list in a router will need to have GT 1024 explicitly told to pass
the back channel
, 2004
6:04 PM
To: [EMAIL PROTECTED]
Subject: Re: [Declude.JunkMail]
TCP/UDP ports
Leave all outgoing ports
open unless you specifically want to block it for security. Only
block the incoming. Many protocols will use different outgoing ports.
Matt
Jeff Kratka wrote:
I know I have missed
Did you leave both UDP and TCP for port 53 open? DNS uses both.
Darin.
- Original Message -
From: "Jeff Kratka" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, February 25, 2004 7:56 PM
Subject: [Declude.JunkMail] TCP/UDP ports
I know I have missed something here but I'l
o:[EMAIL PROTECTED]
Sent: Wednesday, February 25, 2004 5:33 PM
To: [EMAIL PROTECTED]
Subject: RE: [Declude.JunkMail] TCP/UDP ports
>ON A WINDOWS MACHINE THE OUTGOING PORTS ARE BETWEEN 1024 AND 5000 BY
DEFAULT.
However, a firewall won't care about the outgoing ports when a connection
ON A WINDOWS MACHINE THE OUTGOING PORTS ARE BETWEEN 1024 AND 5000 BY DEFAULT.
However, a firewall won't care about the outgoing ports when a connection
is made to a server.
For example, if you block all outgoing ports except port 80 (to allow WWW
connections from local computer to servers on th
ON A
WINDOWS MACHINE THE OUTGOING PORTS ARE BETWEEN 1024 AND 5000 BY
DEFAULT.
Kevin
Bilbee
-Original Message-From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]On Behalf Of
MattSent: Wednesday, February 25, 2004 5:04 PMTo:
[EMAIL PROTECTED]Subject: Re: [Declude.JunkMail
blocking replies to your outbound queries.
Bill
- Original Message -
From: "Matt" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, February 25, 2004 5:03 PM
Subject: Re: [Declude.JunkMail] TCP/UDP ports
> Leave all outgoing ports open unless you spec
Leave all outgoing ports open unless you specifically want to
block it for security. Only block the incoming. Many protocols will
use different outgoing ports.
Matt
Jeff Kratka wrote:
I know I have missed something here but I'll ask, I'm still new at this
one. I have been shutting dow
