port number table TCP / IP

port number table TCP – IP Ports list | These are numbers used by certain protocols of application layer. Each common protocols are allocated a unique ports . IANA is responsible for assignment of port numbers. Custom ports are also allocated to vendors by the regulatory authorities. Here are the list of important TCP -IP ports commonly used
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HTTP ———- 80

FTP ———— 20,21
 
TelNet ———- 23
 
SMTP ———- 25
 
DNS ———– 53
 
TFTP ———– 69
 
SNMP ———- 161

 

RIP ————- 520
 
IMAP 4——— 143
 
IMAP 3 ——— 220
 
RPC ———— 135
 
LDAP ———- 389
 
Net Stat ——– 15
 
WINS ———- 42
 
BootP ———- 67
 
DHCP ———- 68
 
POP2 ———- 109
 
POP3 ———- 110
 
Net BIOS —— 139
 
SSL(HTTPS) — 443
 
SQL Server —- 1433
 
NFS ———— 2049
 
SSH ———— 22 
 
RAP ———– 38
 
BGP ———– 179

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