Classification of Services and Ports Needing Attention in Network Security

---

1. Common ports for operation and maintenance services

serial number	service name	agreement type	port	traffic type
1	ssh	TCP	22	Operation and maintenance traffic
2	telnet	TCP	23	Operation and maintenance traffic
3	sftp	TCP	115	Operation and maintenance traffic
4	syslog	UDP	514	Operation and maintenance traffic
5	rdp	TCP	3389	Operation and maintenance traffic
6	ping	ICMP	-	Operation and maintenance traffic

2. Common Ports for Business Traffic

serial number	service name	agreement type	port	traffic type
1	dhcp	TCP	647	business flow
2	mssql	TCP	1434	business flow
3	ftp-data	TCP	20	business flow
4	ftp	TCP	21	business flow
5	smtp	TCP	25	business flow
6	dns-t	TCP	53	business flow
7	dns-u	UDP	53	business flow
8	tftp	UDP	69	business flow
9	sql_net	TCP	66	business flow
10	http	TCP	80	business flow
11	pop3	TCP	110	business flow
12	imap	TCP	143	business flow
13	snmp	UDP	161	business flow
14	imap3	TCP	220	business flow
15	ldap	TCP	389	business flow
16	https	TCP	443	business flow
17	smtps	TCP	465	business flow
18	oracle	TCP	1521	business flow
19	msmq	TCP	1801	business flow
20	radius	UDP	1812	business flow
21	mysql	TCP	3306	business flow
22	redis	TCP	6379	business flow
23	postgresql	TCP	5432	business flow
24	mail-server	TCP	6000	business flow
25	sybase	TCP	2638	business flow
26	weblogic	TCP	7001	business flow
27	memcached	TCP	11211	business flow
28	mongodb	TCP	27017	business flow