RE: ISA denies DHCP request
- From: "Amy Babinchak" <amy@xxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Mon, 5 Dec 2005 14:30:24 -0500
I've got an ISA info and a complete log. I'll send them over. No capture
though. Should I capture from the PC end or the server end or both?
Amy
Harbor Computer Services
Small Business Computer Specialists
Client Blog: http://smalltechnotes.blogspot.com/
Tech Blog: http://isainsbs.blogspot.com/
Website: http://www.harborcomputerservices.net/
-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Monday, December 05, 2005 2:22 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA denies DHCP request
http://www.ISAserver.org
Got ISAInfo?
How about captures?
-------------------------------------------------------
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
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-----Original Message-----
From: Amy Babinchak [mailto:amy@xxxxxxxxxxxxxxxxxxxxxxxxxx]
Sent: Monday, December 05, 2005 11:12
To: [ISAserver.org Discussion List]
Subject: [isalist] ISA denies DHCP request
http://www.ISAserver.org
I got stumped this weekend. A fellow consultant has a SBS box with ISA
2004. After the upgrade from ISA 2000 to ISA 2004, ISA denies DHCP
requests because it sees them as coming in on the external NIC.
I checked all of the usual stuff. NICs are configured correctly. Binding
order is correct. Routing table looks normal. DHCP rules are correct.
Clients are correctly configured. External NIC is connected only to the
ADSL modem, Internal NIC is connected only to a switch with the PC's.
Here's the packets. I can't figure out why ISA thinks these are external
packets.
192.168.1.16 SBSERVER UDP 68 0 0 0
0x0 0x0 0x0 Firewall 12/4/2005 9:10 192.168.1.2
67 DHCP (request) Initiated Connection SBS Protected Networks
Access Rule 192.168.1.16 Internal Local Host
0.0.0.0 SBSERVER UDP 68 0 0 0
0xc004000d FWX_E_POLICY_RULES_DENIED 0x0 0x0 Firewall
12/4/2005 9:10 255.255.255.255 67 DHCP (request) Denied
Connection Default rule 0.0.0.0 External Local Host
0.0.0.0 SBSERVER UDP 68 0 0 0
0xc004000d FWX_E_POLICY_RULES_DENIED 0x0 0x0 Firewall
12/4/2005 9:10 255.255.255.255 67 DHCP (request) Denied
Connection Default rule 0.0.0.0 External Local Host
0.0.0.0 SBSERVER UDP 68 0 0 0
0xc004000d FWX_E_POLICY_RULES_DENIED 0x0 0x0 Firewall
12/4/2005 9:10 255.255.255.255 67 DHCP (request) Denied
Connection Default rule 0.0.0.0 External Local Host
This server also has difficulty with VPN clients. They also don't get
served IP addresses by the DHCP server. However, even when you
statically assign the VPN client an address, access to shares on the
server is denied.
Removed and reinstall DHCP. Disabled and reconfigured Routing and Remote
Access. No luck.
Amy
Harbor Computer Services
Small Business Computer Specialists
Client Blog: http://smalltechnotes.blogspot.com/
Tech Blog: http://isainsbs.blogspot.com/
Website: http://www.harborcomputerservices.net/
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