Dynamic Host Configuration Protocol (DHCP) and Bootstrap
DHCP Client Remote Code Execution Vulnerability Domain Search Option field (RFC 3397) This option is passed along with OFFER and ACK packets to the client to specify the domain search list used when resolving hostnames using DNS. The format of the DHCP option field is as follows: To enable the searchlist to be encoded compactly, searchstrings in the searchlist are concatenated and encoded. Configure DHCP in Drop-In Mode In the DHCP Options list, click Add. The Add DHCP Option dialog box appears. Predefined Option is selected by default; From the Code drop-down list, select the DHCP option code. The Name and Value associated with the code are selected automatically and you cannot edit these. In the Value text box, type the value to assign to this option.
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DHCP options can be configured under via dhcp_option. Use an alternative default gateway, DNS server and NTP server. uci add_list dhcp.lan.dhcp_option= "3,192.168.1.2" uci add_list dhcp.lan.dhcp_option= "6,172.16.60.64" uci add_list dhcp.lan.dhcp_option= "42,172.16.60.64" uci commit dhcp / etc / init.d / dnsmasq restart. A list of options can
DHCP option 82, also known as the DHCP relay agent information option, helps protect FortiGate against attacks such as spoofing (forging) of IP addresses and MAC addresses, and DHCP IP address starvation. See DHCP relay agent information option for details. Option-42. This option specifies a list of the NTP servers available to the client by IP
Remove old DHCP Server from Authorized Servers May 07, 2012 Configure an IPv4 DHCP Server In the DHCP Options list, click Add. The Add DHCP Option dialog box appears. Predefined Option is selected by default; From the Code drop-down list, select the DHCP option code. The Name and Value associated with the code are selected automatically and you cannot edit these. In the Value text box, type the value to assign to this option. Configure Multiple DHCP Option 66 Settings Mar 30, 2016