Network Applications and Services DHCP SERVICE 1. Operation: Packet types Request & Offer IP Address procedures Client & Server on the same Broadcast Domain Client & Server not on the same Broadcast Domain 2. DHCP parameters: · Port number · Lease Expire 3. Demo: · Windows DHCP Server · Linux DHCP configuration DNS 1. Name hierarchy 2. Before DNS: hosts file 3. Server hierarchy 5. Root servers 6. Zone vs. Domain 7. Name resolution Components of DNS · Name server · Resolver · Queries Types of Queries · Iterative · Recursive 8. Forwarder 9. Caching DNS Demo Windows DNS server Linux DNS configuration FTP Service Operation Ports FTP commands Demo Windows FTP Server Linux FTP Server Filezilla FTP Client MAIL SERVICE Message format Mail transfer POP3 commands SMPT commands Demo Mdaemon mail serve