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Log flooded with events that denies traffic from port udp 1985

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Log flooded with events that denies traffic from port u... - 26.Jul.2004 10:04:00 PM   
speedhost

 

Posts: 14
Joined: 24.Apr.2002
From: DK
Status: offline
hi all..

I have an isa 2004 located at an ISP

my problem is that my log files are flooded with events that denies traffic from udp port 1985..

they look like this :

ISA2004 2004-07-26 19:45:56 UDP 195.215.5.34:1985 224.0.0.2:1985 195.215.5.34 External Local Host Denied 0xc004000d Default rule Unidentified IP Traffic 0 0 0 0 - - - - 0 0
ISA2004 2004-07-26 19:45:57 UDP 195.215.5.2:1985 224.0.0.2:1985 195.215.5.2 External Local Host Denied 0xc004000d Default rule Unidentified IP Traffic 0 0 0 0 - - - - 0 0
ISA2004 2004-07-26 19:45:57 UDP 195.215.5.12:1985 224.0.0.2:1985 195.215.5.12 External Local Host Denied 0xc004000d Default rule Unidentified IP Traffic 0 0 0 0 - - - - 0 0
ISA2004 2004-07-26 19:45:57 UDP 195.215.5.3:1985 224.0.0.2:1985 195.215.5.3 External Local Host Denied 0xc004000d Default rule Unidentified IP Traffic 0 0 0 0 - - - - 0 0

Is there a way to block or exclude these events ??

i'm logging almost 200mb a day "[Mad]"

Cheers

Brian
Post #: 1
RE: Log flooded with events that denies traffic from po... - 26.Jul.2004 11:45:00 PM   
speedhost

 

Posts: 14
Joined: 24.Apr.2002
From: DK
Status: offline
Got it fixed ! [Roll Eyes]

1.
created a new protocol:

name : Cisco HSRP
portrange : 1985-1985
protocol type : udp
direction : send

2. created a deny rule that contained the following:

name : Cisco HSRP
action : Deny
Protocols : Cisco HSRP
From : External
to : Local Host
condition : All Users

went to properties > action

unchecked "Log requests matching this rule"

Any feedback apriciated

Cheers
Brian

(in reply to speedhost)
Post #: 2
RE: Log flooded with events that denies traffic from po... - 27.Jul.2004 2:00:00 AM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Brian,

That'll do it! Thanks for the tip!

Tom

(in reply to speedhost)
Post #: 3
RE: Log flooded with events that denies traffic from po... - 14.Feb.2011 8:19:11 AM   
wbplomp

 

Posts: 144
Joined: 18.Nov.2004
From: Netherlands, The
Status: offline
It seems that this work-around doesn't work with TMG. At least not in my scenario.

The error message (loggin) in TMG shows as following:

Log type: Firewall service
Status: An ingoing packet was dropped because its destination address does not exist on the system, and no appropriate forwarding interface exists.
Rule: None - see Result Code
Source: Internal (172.n.n.host:1985)
Destination: External (224.0.0.2:1985)
Protocol: [Enterprise] HSRP
Result Code: 0xc0040050 FWX_E_TCPIP_DROP_IP_NOT_LOCALLY_DESTINED


I also created a user-defined HSRP (UDP/1985) protocol. I created a rule that blocks all traffic with that protocol destionation to 224.0.0.2, later on to External, Local Host and etc. None of it seems to work. As you can see the rule "None - See Result Code" is mentioned. It looks like the error message is logged before it reaches the Access Rules.

Any suggestions?

< Message edited by wbplomp -- 14.Feb.2011 8:25:05 AM >

(in reply to tshinder)
Post #: 4

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