September 23, 2021

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What are Port Numbers? List of Known Ports?

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What is port numbers in Networking?

Well-Known” are port numbers that have been reserved for common applications, typically server applications. The port numbers assigned to server applications have to be known by the client’s Transport layer, so these can add the correct destination port number to messages. List of known ports are as follows
FAQ : The well-known port numbers are assigned by IANA i.e. Internet Assigned Numbers Authority. IANA is the same group that manages the DNS Root and IP addresses.

Lets decryptinfo about port numbers

List of Well-Known Network ports

Service Port Protocol
Echo 7 TCP
Systat 11 TCP
Chargen 19 TCP
Ftp-data 21 TCP
SSH 22 TCP
Telnet 23 TCP
25 TCP
Nameserver 42 TCP
Whois 43 TCP
Tacacs 49 UDP
Xns-time 52 TCP
Xns-time 52 UDP
Dns-lookup 53 UDP
Dns-zone 53 TCP
Whois++ 63 TCP/UDP
Tacacs-ds 65 TCP/UDP
Oracle-sqlnet 66 TCP
Bootps 67 TCP/UDP
Bootpc 68 TCP/UDP
Tftp 69 UDP
Gopher 70 TCP/UDP
Finger 79 TCP
Http 80 TCP
Alternate-http 81 TCP
Objcall(Tivoli) 94 TCP/UDP
Kerberos 88 TCP
Linuxconf 98 TCP
Rtelent 107 TCP/UDP
Pop2 109 TCP
Pop3 110 TCP
Sunrpc 111 TCP
Sqlserv 118 TCP
Nntp 119 TCP
Ntp 123 TCP/UDP
Ntrpc-or-dce(epmap) 135 TCP/UDP
Netbios-ns 137 TCP/UDP
Netbios-dgm 138 TCP/UDP
Netbios 139 TCP
IMAP 143 TCP
Sqlsrv 156 TCP/UDP
Snmp 161 UDP
Snmp-trap 162 UDP
Xdmcp 177 TCP/UDP
Bgp 179 TCP
Irc 194 TCP/UDP
Snmp-checkpoint 256 TCP
Snmp-checkpoint 257 TCP
Snmp-checkpoint 258 TCP
Snmp-checkpoint 259 TCP
Fw1-or-bgmp 264 UDP
Ldap 389 TCP
Netware-ip 396 TCP
Ups 401 TCP/UDP
Timbuktu 407 TCP
Https/ssl 443 TCP
Ms-smb-alternate 445 TCP/UDP
Kpasswd5 464 TCP/UDP
Ipsec-internet-key-exchange(ike) 500 UDP
Exec 512 TCP
Rlogin 513 TCP
Rwho 513 UDP
Rshell 514 TCP
Syslog 514 UDP
Printer 515 TCP/UDP
Talk 517 TCP/UDP
Ntalk 518 TCP/UDP
Route/RIP/RIPv2 520 UDP
Netware-ncp 524 TCP
Timed 525 TCP/UDP
Irc-serv 529 TCP/UDP
Uucp 540 TCP/UDP
Klogin 543 TCP/UDP
Apple-xsrvr-admin 625 TCP
Apple-imap-admin 626 TCP
Mount 645 UDP
Mac-srvr-admin 660 TCP/UDP
Spamassassin 783 TCP
Remotelypossible 799 TCP
Rsync 873 TCP
Samba-swat 901 TCP
Oftep-rpc 950 TCP
Ftps 990 TCP
Telnets 992 TCP
Imaps 993 TCP
Ircs 994 TCP
Pop3s 995 TCP
W2k-RPC-Services 1024-1030 TCP/UDP
Socks 1080 TCP
Kpop 1109 TCP
Msql 1112 TCP
Fastrack(Kazaa) 1212 TCP
Bmc-patrol-db 1313 TCP
Notes 1352 TCP
Timbuktu-srv1 1417-1420 TCP/UDP
Ms-sql 1433 TCP
Citrix 1494 TCP
Sybase-sql-anywhere 1498 TCP
Funkproxy 1505 TCP/UDP
Ingres-lock 1524 TCP
Oracle-srv 1525 TCP
Oracle-tli 1527 TCP
Pptp 1723 TCP
Winsock-proxy 1745 TCP
Landesk-rc 1761-1764 TCP
Radius 1812 UDP
Remotely-anywhere 2000 TCP
Cisco-mgmt 2001 TCP
Nfs 2049 TCP
Compaq-web 2301 TCP
Sybase 2368 TCP
Openview 2447 TCP
Realsecure 2998 TCP
Nessusd 3001 TCP
Ccmail 3264 TCP/UDP
Ms-active-dir-global-catalog 3268 TCP/UDP
Bmc-patrol-agent 3300 TCP
Mysql 3306 TCP
Ssql 3351 TCP
Ms-termserv 3389 TCP
Squid-snmp 3401 UDP
Cisco-Management 4001 TCP
Nfs-lockd 4045 TCP
Twhois 4321 TCP/UDP
Edonkey 4660 TCP
Edonkey 4666 UDP
Airport-admin 5009 TCP
Sip 5060 TCP/UDP
Zeroconf(Bonjour) 5353 UDP
Postgress 5432 TCP
Connect-proxy 5490 TCP
Secured 5500 UDP
PcAnywhere 5631 TCP
Activesync 5679 TCP
Vnc 5800 TCP
Vnc-java 5900 TCP
Xwindows 6000 TCP
Cisco-mgmt 6001 TCP
Arcserve 6050 TCP
Backupexec 6101 TCP
Gnutella 6346 TCP/UDP
Gnutella2 6347 TCP/UDP
Apc 6549 TCP
Irc 6665-6670 TCP
Font-service 7100 TCP/UDP
OpenManage(Dell) 7273 TCP
Web 8000 TCP
Web 8001 TCP
Web 8002 TCP
Web 8080 TCP
Blackice-icecap 8081 TCP
Privoxy 8118 TCP
Apple-iphoto 8770 TCP
Cisco-xremote 9001 TCP
Jetdirect 9100 TCP
Dragon-ids 9111 TCP
ISS-system-scanner-agent 9991 TCP
ISS-system-scanner-console 9992 TCP
Stel 10005 TCP
Netbus 12345 TCP
Snmp-checkpoint 18210 TCP
Snmp-checkpoint 18211 TCP
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