Re: Packet Filtering
- From: "Jim Harrison" <jim@xxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 27 Jun 2002 06:17:33 -0700
You have to create rules to allow specific traffic through ISA; by default,
it allows nothing.
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/authors/harrison/
Read the books!
----- Original Message -----
From: "Lim, Arthus T." <alim@xxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Wednesday, June 26, 2002 10:08 PM
Subject: [isalist] Re: Packet Filtering
http://www.ISAserver.org
ICMP ping request was included already on my filtering list even before.
When packet filtering is on, all users connected to the ISA couldn't
surf. What else have I missed out? How about allowing http 80?
-----Original Message-----
From: Jim Harrison [mailto:jim@xxxxxxxxxxxx]
Sent: Wednesday, June 26, 2002 1:01 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: Packet Filtering
http://www.ISAserver.org
Turn packet filtering back on.
If you want to enable / disable pings to ISA for troubleshooting, create
a
packet filter that allows "ICMP ping request" inbound on the default
external IP and leave it disabled until you need it.
Disabling packet filtering just gives you an expensive, limited router.
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/authors/harrison/
Read the books!
----- Original Message -----
From: "Lim, Arthus T." <alim@xxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, June 25, 2002 6:58 PM
Subject: [isalist] Packet Filtering
http://www.ISAserver.org
My ISA server is running for a month now. A couple of weeks ago, I
couldn't get into any sites, when I tried to ping my public ip, it's not
working. I checked the logs in ISA and the reports say that some UDP
and TCP sessions are being blocked. Disabling the packet filtering
option solved the problem. But I don't want packet filtering option to
be disabled permanently, what should I set in the packet filtering to be
able to use the surfing, the only options installed right now are
ICMP's and UDP's.
Hope you can enlighten me with this. Thanks.
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