Well Known Ports

Service Name

UDP

TCP

Browsing datagram responses of NetBIOS over TCP/IP 138
Browsing requests of NetBIOS over TCP/IP 137
Client/Server Communication 135
cPanel 8082. 8083, 8084, 8985
DCOM (SCM uses udp/tcp to dynamically assign ports for DCOM) 135 135
DHCP client 67
DHCP server 68
DHCP Manager 135
DNS Administration 139
DNS client to server lookup (varies) 53 53
Exchange Server 5.0
   Exchange Administrator    135
   IMAP    143
   IMAP (SSL)    993
   LDAP    389
   LDAP (SSL)    636
   MTA – X.400 over TCP/IP    102
   POP3    110
   POP3 (SSL)    995
   RPC    135
   SMTP    25
   NNTP    119
   NNTP (SSL)    563
File shares name lookup 137
File shares session 139
FTP 21
FTP-data 20
HTTP 80
HTTP-Secure Sockets Layer (SSL) 443
Internet Information Services (IIS) 80
IMAP 143
IMAP (SSL) 993
IKE 500
IRC 531
ISPMOD (SBS 2nd tier DNS registration wizard) 1234
Kerberos de-multiplexer 2053
Kerberos klogin 543
Kerberos kpasswd (v5) 464 464
Kerberos krb5 88 88
Kerberos kshell 544
L2TP 1701
LDAP 389
LDAP (SSL) 636
Login Sequence 137, 138 139
Macintosh, File Services (AFP/IP) 548
Microsoft Chat client to server 6667
Microsoft Chat server to server 6665
Microsoft Message Queue Server 1801 1801
Microsoft Message Queue Server 3527 135, 2101
Microsoft Message Queue Server 2103, 2105
MTA – X.400 over TCP/IP 102
NetLogon 138
Network Load Balancing 2504
NNTP 119
NNTP (SSL) 563
POP3 110
POP3 (SSL) 995
PPTP control 1723
Printer sharing name lookup 137
Printer sharing session 139
Radius accounting (Routing and Remote Access) 1646 or 1813
Radius authentication (Routing and Remote Access) 1645 or 1812
Remote Install TFTP 69
SMTP 25
SNMP 161
SNMP Trap 162
SQL Named Pipes encryption over other protocols name lookup 137
SQL RPC encryption over other protocols name lookup 137
SQL session 139
SQL session 1433
SQL session 1024 – 5000
SQL session mapper 135
SQL TCP client name lookup 53 53
Telnet 23
Terminal Server 3389
UNIX Printing 515
WINS Manager 135
WINS NetBios over TCP/IP name service 137
WINS Proxy 137
WINS Registration 137
WINS Replication 42
X400 102

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CISSP PMP