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