https://community.hpe.com/t5/operating-system-hp-ux/dhcp-security/m-p/3278298#M569622 DHCP really doesn't work that way, besides hostnames are easy to spoof. <BR /><BR />if you want to restrict DHCP, start with MAC addresses. MAC addresses are slightly harder to spoof, and support for MAC based allow/deny exists in DHCPD. Tue, 18 May 2004 08:45:08 GMT Thomas Bianco 2004-05-18T08:45:08Z https://community.hpe.com/t5/operating-system-hp-ux/dhcp-security/m-p/3278297#M569621 In HPUX, is there a way to tell DHCP to assign ip addresses only to hostnames starting with XXX? Mon, 17 May 2004 11:29:19 GMT https://community.hpe.com/t5/operating-system-hp-ux/dhcp-security/m-p/3278297#M569621 Jose Davila 2004-05-17T11:29:19Z https://community.hpe.com/t5/operating-system-hp-ux/dhcp-security/m-p/3278298#M569622 DHCP really doesn't work that way, besides hostnames are easy to spoof. <BR /><BR />if you want to restrict DHCP, start with MAC addresses. MAC addresses are slightly harder to spoof, and support for MAC based allow/deny exists in DHCPD. Tue, 18 May 2004 08:45:08 GMT https://community.hpe.com/t5/operating-system-hp-ux/dhcp-security/m-p/3278298#M569622 Thomas Bianco 2004-05-18T08:45:08Z