TCP and UDP ports used by Apple software products
Configure an IPv4 DHCP Server - WatchGuard Select Network > Configuration.; Select a trusted, optional, or custom interface. Click Configure.; Select Use DHCP Server.; To add a group of IP addresses to assign to users on this interface, in the Address Pool section, click Add.; Specify starting and ending IP addresses on the same subnet, then click OK. The address pool must belong either to the interface’s primary or secondary IP subnet. 14.2. Configuring a DHCP Server Red Hat Enterprise Linux 7 -p portnum — Specifies the UDP port number on which dhcpd should listen. The default is port 67. The DHCP server transmits responses to the DHCP clients at a port number one greater than the UDP port specified. For example, if the default port 67 is used, the server listens on port 67 for requests and responds to the client on port 68. How to Configure the DHCP Service | Barracuda Campus Nov 10, 2017 Services — DHCP — Configuring DHCP Relay | pfSense
Where is your DHCP? Server or Firewall? - Networking
Prerequisites
Ports need to be opened in firewall between grid m
The DHCP employs a connectionless service model, using the User Datagram Protocol (UDP). It is implemented with two UDP port numbers for its operations which are the same as for the bootstrap protocol ().UDP port number 67 is the destination port of a server, and UDP port number 68 is … Configuring DHCP and Firewalls for PXE booting with WDS