troubleshooting Question

ASA5505 as a DHCP Server

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dcl1softFlag for United States of America asked on
RoutersNetwork Management
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My ASA5505 router (8.2 CLI) appears to be assigning IP Addresses to external clients. Per logging message below.

6      Aug 05 2011      01:11:57      6-604103                              DHCP daemon interface inside:  address granted 0100.26bb.0762.f2 (192.168.1.67).

  The Cisco explanation is as such:
%ASA-6-604103: DHCP daemon interface interface_name: address granted
MAC_address (IP_address)
The adaptive security appliance DHCP server granted an IP address to an external client.

I do a SHOW RUN DHCPD and see the following:  I am concerned that this behavior would allow those external clients access to my network. What would cause this? Shouldn't I be concerned?

xxxxxasa(config)# show run dhcpd
dhcpd dns 192.168.1.9
dhcpd lease 5000
!
dhcpd address 192.168.1.10-192.168.1.137 inside
dhcpd enable inside
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