PORTS TO REMEMBER

15 netstat
11 systat
20 ftp-data
21 ftp
22 ssh, pcAnywhere
23 Telnet
25 SMTP
42 nameserv, WINS
53 DNS
67 bootps
68 bootpd/dhcp
69 Trivial File Transfer Protocol (tftp)
80 www-http
88 Kerberos, WWW
101 HOSTNAME
109 POP2
110 POP3
137 netbios-ns
138 netbios-dgm (UDP)
139 NetBIOS
143 IMAP
161 SNMP
220 IMAP3
443 ssl , HTTPS
445 SMB
514 syslog, rsh
515 lp, lpr, line printer
520 RIP (Routing Information Protocol)
631 IPP (Internet Printing Protocol)
1352 Lotus Notes
1227 DNS2Go
1494 Citrix ICA Protocol
1521 Oracle SQL
1604 Citrix ICA, MS Terminal Server
2049 NFS
3389 RDP Protocol (Terminal Server)
5500 securid
5631 PCAnywhere data
5632 PCAnywhere
8080 HTTP

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