YML881Rev1 �11�,��1��,��11, �����11�, ��1��, ��11, ���� User Guide
www.netcomm.com.au 53
Well known tcP/UdP Ports
Port Protocol UdP tcP
20 File Transfer Protocol (FTP) Data X
21 FTP Commands X
23 Telnet X
25 SMTP X
43 Whois X
53 Domain Name System (DNS) X X
69 Trivial File Transfer Protocol (TFTP) X
70 Gopher X
79 Finger X
80 HTTP X
110 POP3 X
111 SUN Remote Procedure Call (RPC) X
115 SFTP X
119 Network News Transfer Protocol (NNTP) X
123 Network Time Protocol (NTP) X
144 News X X
161 Simple Network Management Protocol (SNMP) X
162 SNMP traps X
179 Border Gateway Protocol (BGP) X
443 Secure HTTP (HTTPS) X
513 rlogin X
514 rexec X
517 talk X X
518 ntalk X X
520 Routing Information Protocol (RIP) X
1701 Layer 2 Tunneling Protocol (L2TP) X
2000 Open Windows X X
2049 Network File System (NFS) X
6000 X11 X X