Firewall-1

Re: [FW-1] AW: [FW-1] CP VPN-1/FW-1 R60 HFA03 - DCE-RPC --> Source IP co

Subject: Re: [FW-1] AW: [FW-1] CP VPN-1/FW-1 R60 HFA03 - DCE-RPC --> Source IP commad
From: Information Technology <it AT KARENITA DOT DE>
To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
Date: Tue, 20 Jun 2006 13:40:04 +0200
Hi,

i set MS-RPC in Smart Defence to log only. Now we have connections that are only logged (monitored) but other connections will also be rejected by CP. Sometimes we get an alert or we get an alert and a reject together.

Number:                 71519
Date:                           20Jun2006
Time:                           9:56:01
Product:                        SmartDefense
Origin:                         fw(192.168.1.1)
Type:                           Alert
Action:                         
Service:                        135
Source:                         ServerA (192.168.10.10)
Destination:            ServerB (172.16.20.20)
Attack Name:            DCE-RPC Enforcement Violation
Information:            Total logs: 6
                                Suppressed logs: 5
Attack Information: Source IP in port command is different than the Server IP


Number:                 71597
Date:                           20Jun2006
Time:                           9:56:15
Product:                        SmartDefense
Interface:                      eth-s1p2c0
Origin:                         fw(192.168.1.1)
Type:                           Alert
Action:                         Reject
Service:                        epmap-135 (135)
Source:                         ServerA (192.168.10.10)
Destination:            ServerB (172.16.20.20)
Protocol:                       tcp
Source Port:            2255
Attack Name:            DCE-RPC Enforcement Violation
Attack Information: Source IP in port command is different than the Server IP

Is it possible to deactivate this check in one of the $FWDIR/lib/*.def files?

moelljoe

Verweyen, Dirk wrote:
Hi,

i think that´s a problem with SmartDefense. Look
into the Configuration and try some settings.

Regards, Dirk
-----Ursprüngliche Nachricht-----
Von: Information Technology Gesendet: Dienstag, 20. Juni 2006 12:58
An: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
Betreff: [FW-1] CP VPN-1/FW-1 R60 HFA03 - DCE-RPC --> Source IP commad

Hello,

last week, we upgrade from CheckPoint NG R55 to CheckPoint NG-X R60 HFA03. Now we have problems with the microsoft domain controler communication.

If the server A in our dmz to try to connect server B (domain controler) we got often this alert:

Number: 192944
Date: 19Jun2006
Time: 16:35:13
Product: SmartDefense
Interface: eth-s1p2c0
Origin: fw (192.168.1.1)
Type: Alert
Action: Reject
Protocol: tcp
Service: epmap-135 (135)
Source: serverA (192.168.10.10)
Destination: serverB (172.16.20.20)
Source Port: 4740
Attack Name: DCE-RPC Enforcement Violation Attack Information: Source IP in port command is different than the Server IP


Is there anybody who get this error message too??
Is there anybody who know, how we can disable this check in smart defense?

moelljoe

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