Common TCP and UDP Ports Flashcards
TCP MUX
1 TCP/UDP
Echo
7 TCP/UDP
FTP data
20 TCP
FTP control
21 TCP
SSH (Encrypted)
22 TCP/UDP
Telnet
23 TCP
SMTP
25 TCP
TIME protocol
37 TCP/UDP
nameserver or WINS
42 TCP/UDP
WHOIS
43 TCP
TACACS Login Host
49 TCP/UDP
DNS
53 TCP/UDP
Route Access Protocol
56 TCP/UDP
DHCP
67-68 UDP
TFTP
69 UDP
Finger
79 TCP
HTTP
80 TCP/UDP
Torpark
81-82 TCP
Kerberos
88 TCP/UDP
POP3
110 TCP
ident/auth
113 TCP/UDP
SFTP (Simple File Transfer)
115 TCP
NNTP (NetNews Transfer)
119 TCP
NTP(Network Time)
123 UDP
DCE/RPC and DCOM
135 TCP/UDP
NetBIOS Name Service
137 TCP/UDP
NetBIOS Datagram Svx
138 TCP/UDP
NetBIOS Session Svc
139 TCP/UDP
IMAP (Internet Message Access)
143 TCP/UDP
SNMP (Simple Network Mgmt)
161 UDP
XDMCP (X Display Manager Ctrl)
177 TCP/UDP
BGP (Border Gateway Protocol)
179 TCP
IRC (Internet Relay Chat)
194 TCP/UDP
IMAP3 (Internet Message Access)
220 TCP/UDP
BGMP (Border Gateway Multicast)
264 TCP/UDP
LDAP (Lightweight Direcc. Access)
389 TCP/UDP
Direct Connect Hub
411 - 412 TCP
Service Location Protocol (SLP)
427 TCP/UDP
HTTPS (Encrypted)
443 TCP
HTTP - occasionally on
8443 TCP
SMB File Sharing
445 TCP
Kerberos
464 TCP/UDP
SMTPS (SMTP Over SSL) *Encrypted*
465 TCP
Internet Security Association and Key Management Protocol (ISAKMP) *Encrypted*
500 TCP/UDP
Rexec (Remote Process Exec.)
512 TCP
rlogin
513 TCP
Syslog/Syslog-ng
514 UDP/TCP
LPD (Line Printer Daemon)
515 TCP
Routing Information Protocol (RIP)
520 UDP
UUCP (Unix-to-Unix Copy Proto)
540 TCP
HTTP RPC
593 TCP/UDP
IPP (Internet Printing Protocol)
631 TCP/UDP
LDAPS (LDAP over TLS/SSL)
636 TCP/UDP
MSDP (Multicast Source Discov.)
639 TCP/UDP
Doom
666 UDP
MS Exchange Routing
691 TCP
OLSR (Optimized Link State)
698 UDP
Kerberos
749-754 TCP/UDP
rsync
873 TCP
VMware
901-904 TCP/UDP
FTPS (FTP over TLS/SSL) *Encrypted*
989-990 TCP/UDP
TELNET over TLS/SSL (Encrypted)
992 TCP/UDP
IMAPS (IMAP over SSL)
993 TCP
POP3S (POP3 over TLS/SSL)
995 TCP
NFS or IIS
1025 TCP
MS-DCOM
1026 1029 TCP
SOCKS proxy
1080 TCP
Kazaa (Peer to Peer)
1214 TCP
VLC media player - UDP/RTP
1234 UDP
WASTE (Encrypted, peer to peer)
1337 TCP
MSFT SQL Server
1433 TCP
MSFT SQL Server
1434 UDP
WINS (MSFT Win Name Service)
1512 TCP/UDP
Oracle DB
1521 TCP
Layer 2 Tunneling L2TP
1701 UDP
MSFT Pnt-to-Pnt Tunneling (PPTP)
1723 TCP/UDP
MSFT Media Server (Streaming Ports)
1755 TCP/UDP
RADIUS authentication protocol
1812 TCP/UDP
NFS (Network File System)
2049 UDP
Oracle DB
2483-2484 TCP/UDP
Symantec AntiVirus Corp. Edition
2967 TCP
Xbox LIVE and/or Games for Win
3074 TCP/UDP
MySQL database system
3306 TCP/UDP
RDP (Microsoft Terminal Server)
3389 TCP/UDP
Teredo tunneling
3544 UDP
Subversion version control system
3690 TCP/UDP
Battle.net
3723 TCP/UDP
Ventrillo VoIP Program
3784-3785 TCP/UDP
Smartcard-TLS
4116 TCP/UDP
Rwhois (Referral Whois)
4321 TCP
IP Sec NAT Traversal
4500 UDP
Slingbox (Streaming Port)
5001 TCP/UDP
RTP(Real-Time Transport Protocol) *Streaming*
5004 TCP/UDP; 5005 TCP/UDP
NAT Port Mapping Protocol
5351 TCP/UDP
mDNS (Multicast DNS)
5353 UDP
LLMNR (Link-Local Mcast Name)
5355 TCP/UDP
PosterSQL
5432 TCP/UDP
VNC over HTTP
5800 TCP
VNC (Virtual Network Computing)
5900 TCP/UDP
DameWare Remote Control
6129 TCP
gnutella-svc
6346 TCP/UDP
IRC (Chat Traffic)
6660-6669 TCP
IRC SSL (Encrypted Chat Traffic)
6679 6697 TCP
BitTorrent (p2p)
6888-6999 TCP/UDP
Windows Live (chat)
6891-6901 TCP
Cu See Me (chat)
7648 TCP/UDP, 7649 TCP/UDP
HTTP
8008 8080 TCP
HTTP *Possible Proxy Location*
8080 TCP
Cold Fusion
8500 TCP
TeamSpeak3 - Voice
9987 UDP
Tor
9050-9051 TCP
Reverse Reverse
1 TCP/UDP
TCP MUX
Reverse Reverse
7 TCP/UDP
Echo
Reverse Reverse
20 TCP
FTP data
Reverse Reverse
21 TCP
FTP control
Reverse Reverse
22 TCP/UDP
SSH (Encrypted)
Reverse Reverse
23 TCP
Telnet
Reverse Reverse
25 TCP
SMTP
Reverse Reverse
37 TCP/UDP
TIME protocol
Reverse Reverse
42 TCP/UDP
nameserver or WINS
Reverse Reverse
43 TCP
WHOIS
Reverse Reverse
49 TCP/UDP
TACACS Login Host
Reverse Reverse
53 TCP/UDP
DNS
Reverse Reverse
56 TCP/UDP
Route Access Protocol
Reverse Reverse
67-68 UDP
DHCP
Reverse Reverse
69 UDP
TFTP
Reverse Reverse
79 TCP
Finger
Reverse Reverse
80 TCP/UDP
HTTP
Reverse Reverse
80 TCP/UDP
HTTP
Reverse Reverse
81-82 TCP
Torpark
Reverse Reverse
81-82 TCP
Torpark
Reverse Reverse
88 TCP/UDP
Kerberos
Reverse Reverse
88 TCP/UDP
Kerberos
Reverse Reverse
110 TCP
POP3
Reverse Reverse
110 TCP
POP3
Reverse Reverse
113 TCP/UDP
ident/auth
Reverse Reverse
113 TCP/UDP
ident/auth
Reverse Reverse
115 TCP
SFTP (Simple File Transfer)
Reverse Reverse
115 TCP
SFTP (Simple File Transfer)
Reverse Reverse
119 TCP
NNTP (NetNews Transfer)