34/TCP,UDP Remote File (RF)-used to transfer files between machines Unofficialģ5/TCP,UDP Any private printer server protocol Officialģ5/TCP,UDP QMS Magicolor 2 printer server protocol Unofficialģ9/TCP,UDP Resource Location Protocol (RLP)-used for determining the location of higher level services from hosts on a network OfficialĤ2/TCP,UDP nameserver, ARPA Host Name Server Protocol OfficialĤ9/TCP,UDP TACACS Login Host protocol Officialĥ2/TCP,UDP XNS (Xerox Network Services) Time Protocol Officialĥ3/TCP,UDP Domain Name System (DNS) Officialĥ4/TCP,UDP XNS (Xerox Network Services) Clearinghouse Officialĥ5/TCP,UDP ISI-GL (ISI Graphics Language) Unofficialĥ6/TCP,UDP XNS (Xerox Network Services) Authentication Officialĥ6/TCP,UDP RAP (Route Access Protocol) Unofficialĥ7/TCP MTP, Mail Transfer Protocol Unofficialĥ8/TCP,UDP XNS (Xerox Network Services) Mail OfficialĦ7/UDP Bootstrap Protocol (BOOTP) Server also used by Dynamic Host Configuration Protocol (DHCP) OfficialĦ8/UDP Bootstrap Protocol (BOOTP) Client also used by Dynamic Host Configuration Protocol (DHCP) OfficialĦ9/UDP Trivial File Transfer Protocol (TFTP) OfficialĨ0/TCP,UDP Hypertext Transfer Protocol (HTTP) OfficialĨ8/TCP,UDP Kerberos-authentication system Officialĩ0/TCP,UDP dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map Officialġ02/TCP ISO-TSAP (Transport Service Access Point) Class 0 protocol Officialġ04/TCP,UDP ACR/NEMA Digital Imaging and Communications in Medicine Officialġ07/TCP Remote TELNET Service protocol Officialġ09/TCP Post Office Protocol 2 (POP2) Officialġ10/TCP Post Office Protocol 3 (POP3) Officialġ11/TCP,UDP Sun Remote Procedure Call Officialġ13/UDP ident-user identification system, used by IRC servers to identify users Officialġ13/TCP,UDP Authentication Service (auth) Officialġ15/TCP Simple File Transfer Protocol (SFTP) Officialġ18/TCP,UDP SQL (Structured Query Language) Services Officialġ19/TCP Network News Transfer Protocol (NNTP)-used for retrieving newsgroup messages Officialġ23/UDP Network Time Protocol (NTP)-used for time synchronization Officialġ35/TCP,UDP DCE endpoint resolution Officialġ35/TCP,UDP Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service, used to remotely manage services including DHCP server, DNS server and WINS.