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Topic: Port numbers


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FTP

  
  Port (computing) - Wikipedia, the free encyclopedia
In computing, a port (derived from seaport) is usually a connection through which data is sent and received.
A hardware port is an electrically wired outlet on a piece of equipment into which a plug or cable connects.
A port that sends multiple bits at the same time over several sets of wires is called a parallel port(s).
en.wikipedia.org /wiki/Port_number   (603 words)

  
 James's TCP/IP FAQ - Understanding Port Numbers
That's because there are a number of "commonly used port numbers" which have been agreed upon as a standard.
Port numbers have to be in the range of 0-65535.
Once a client application "finishes" using a port number and a particular session is closed, the port number is reserved for a short period of time, and then is returned to the "pool" of available port numbers.
www.camden411.com /tcpipfaq/ports.html   (1664 words)

  
 port - a Whatis.com definition   (Site not responding. Last check: 2007-10-22)
The serial port supports sequential, one bit-at-a-time transmission to peripheral devices such as scanners and the parallel port supports multiple-bit-at-a-time transmission to devices such as printers.
For the HTTP service, port 80 is defined as a default and it does not have to be specified in the Uniform Resource Locator (URL).
Porting implies some work, but not nearly as much as redeveloping the program in the new environment.
searchnetworking.techtarget.com /sDefinition/0,,sid7_gci212807,00.html   (360 words)

  
 RFC 1700 (rfc1700) - Assigned Numbers   (Site not responding. Last check: 2007-10-22)
The RPC port management service ('portmap' in SunOS versions less than 5.0 and 'rpcbind' in SunOS versions greater than 5.0) "registers" the IP port number that is allocated to a particular service when that service is created.
So any dynamic allocation scheme may pick an unused port that happened to correspond to a port number that had been "assigned" but was currently unused.
The service doesn't care what port it gets, remote clients will query the portmapper to ask it what port number was assigned to the service when it was started.
www.faqs.org /rfcs/rfc1700.html   (2433 words)

  
 Xploiter.com Port Number Listing   (Site not responding. Last check: 2007-10-22)
This is a listing of all the known port numbers are divided into three ranges: - the Well Known Ports, - the Registered Ports, - and the Dynamic and/or Private Ports that was posted to various newsgroups in December 1998.
Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations.
To the extent possible, these same port assignments are used with the UDP [RFC768].
www.xploiter.com /security/ports.html   (293 words)

  
 TCP/IP Ports
This port is commonly used by HP OpenView Storage Data Protector (formerly HP OmniBack).
There are several port numbers that may be involved with printing.
The three main ones are LPD ("printer") on port 515, IPP on 631, and PDL-datastream on 9100.
www.chebucto.ns.ca /~rakerman/port-table.html   (3069 words)

  
 Port Numbers   (Site not responding. Last check: 2007-10-22)
The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports.
The contact port is sometimes called the "well-known port".
The assigned ports use a small portion of the possible port numbers.
michael.gargantuan.com /port_numbers.htm   (345 words)

  
 Webopedia: Well-Known TCP Port Numbers   (Site not responding. Last check: 2007-10-22)
In TCP/IP and UDP networks, a port is an endpoint to a logical connection and the way a client program specifies a specific server program on a computer in a network.
Some ports have numbers that are preassigned to them by the IANA, and these are known as well-known ports (specified in RFC 1700).
Port numbers range from 0 to 65536, but only ports numbers 0 to 1024 are reserved for privileged services and designated as well-known ports.
www.webopedia.com /quick_ref/portnumbers.asp   (121 words)

  
 Well Known Port Numbers   (Site not responding. Last check: 2007-10-22)
The Well Known Ports are assigned by the IANA and on most systems can only be used by system (or root) processes or by programs executed by privileged users.
The Registered Ports are listed by the IANA and on most systems can be used by ordinary user processes or programs executed by ordinary users.
This specifies the port used by the server as its contact port.
support.kcfishnet.com /scripts/fishnet/portnumbers/portnumbers.asp   (203 words)

  
 What is port? - A Word Definition From the Webopedia Computer Dictionary
On PCs, the parallel port is a Centronics interface that uses a 25-pin connector.
The port number identifies what type of port it is. For example, port 80 is used for HTTP traffic.
To port an application, you need to rewrite sections that are machine dependent, and then recompile the program on the new computer.
www.webopedia.com /TERM/p/port.html   (448 words)

  
 TCP port numbers - a Whatis.com definition - see also: well-known port numbers, contact port numbers, service contact ...
The well-known port numbers are the port numbers that are reserved for assignment by the Internet Corporation for Assigned Names and Numbers (ICANN) for use by the application end points that communicate using the Internet's Transmission Control Protocol (TCP) or the User Datagram Protocol (UDP).
For example, a remote job entry application has the port number of 5; the Hypertext Transfer Protocol (HTTP) application has the port number of 80; and the Post Office Protocol Version 3 (POP3) application, commonly used for e-mail delivery, has the port number of 110.
The IANA list of port numbers, including the well-known port numbers, is still apparently the most complete list.
whatis.techtarget.com /definition/0,,sid9_gci514078,00.html   (307 words)

  
 Print Server Port Numbers for Netcat
Port numbers 9101 and 9102 are for parallel ports 2 and 3 on the three-port HP JetDirect external print servers.
This port can be used for remote configuration of the HP JetDirect device when there are no other configuration methods or to can be used to check the current configuration.
While port 515 is the listen or destination port, TCP ports 721-731 are the source ports on the host machine.
aplawrence.com /Jeffl/printports.html   (716 words)

  
 port from FOLDOC   (Site not responding. Last check: 2007-10-22)
The Transmission Control Protocol and User Datagram Protocol transport layer protocols used on Ethernet use port numbers to distinguish between (demultiplex) different logical channels on the same network interface on a computer.
Each application program has a unique port number associated with it, defined in /etc/services or the Network Information Service "services" database.
Some port numbers are defined in RFC 3232 (which replaces RFC 1700).
foldoc.doc.ic.ac.uk /foldoc/foldoc.cgi?port   (188 words)

  
 Port Numbers for Port Forwarding
These are typical port assignments, others are possible.
Where more than one port is specified, it may be that all the ports are required by the application.
As White Pine CuSeeMe uses dedicated ports to transmit and receive, only one local CuSeeMe is allowed in a LAN.
kbserver.netgear.com /kb_web_files/n100495.asp   (420 words)

  
 Good Stuff: Full List of IP Port Numbers
If you find any of this interesting and/or useful, you may want to check out OrangeHedgehog.com, a new website from Good Stuff that will ultimately contain most of the information in this section as well as other useful stuff.
The Well Known Ports are controlled and assigned by the IANA and on most systems can only be used by system (or root) processes or by programs executed by privileged users.
While the IANA can not control uses of these ports it does register or list uses of these ports as a convienence to the community.
www.good-stuff.co.uk /useful/portfull.php   (402 words)

  
 Kurt Seifried - Information security / TCP Ports list, UDP ports list
I have updated the ports list yet again for a total of 8,457 and generally cleaned it up.
Listing open ports in Linux and finding out which applications are using them (using ps, netstat and lsof)
Listing open ports in Windows and finding out which applications are using them
www.seifried.org /security/ports   (143 words)

  
 Ports Database   (Site not responding. Last check: 2007-10-22)
The PortsDB Project is an attempt to track which network services TCP and UDP ports are used and for what services.
The service name for each port is available as a TXT record in either the tcp.portsdb.org or udp.portsdb.org DNS zones.
In a similar way, a mapping of service name to port number is available.
www.portsdb.org   (87 words)

  
 SANS Intrusion Detection FAQ: What port numbers do well-known trojan horses use?
After seeing several questions about trojan traffic directed at ports as 31337 and 12345 I've put together a list of all trojans known to me and the default ports they are using.
Of course several of them could use any port, but I hope this list will maybe give you a clue of what might be going on.
If you find probes direct against ports normally not used, it may be someone trying to connect to a trojan inside your network.
www.sans.org /resources/idfaq/oddports.php   (836 words)

  
 Port Numbers
Ports 0 to 1024 are reserved for use by certain privileged services.
Port Numbers are typically found in the services file on your system.
# This file contains port numbers for well-known services as defined by
www.thenetworkadministrator.com /portnumber.htm   (61 words)

  
 [No title]
Clearly the correct sequence is to have all services that need a particular port to be started first (or if they are "latent" services that are started by inetd, to have inetd started).
The kernel does that by looking at all of the ports that are currently in use and picking one that is not currently used.
The number picked is either less that 1024 if the process is privledged, or greater than 1024 if the process is not privledged.
www.ietf.org /rfc/rfc1700.txt   (9722 words)

  
 Welcome to SubnetOnline.com Network Resources - Known port numbers!   (Site not responding. Last check: 2007-10-22)
PORT NUMBERS The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports.
The Registered Ports are those from 1024 through 49151 The Dynamic and/or Private Ports are those from 49152 through 65535 WELL KNOWN PORT NUMBERS The Well Known Ports are assigned by the IANA and on most systems can only be used by system (or root) processes or by programs executed by privileged users.
REGISTERED PORT NUMBERS The Registered Ports are listed by the IANA and on most systems can be used by ordinary user processes or programs executed by ordinary users.
www.subnetonline.com /archive/port-numbers.html   (11155 words)

  
 DoorStop Port List
On this page, Open Door Networks is attempting to build as complete a list as possible of port numbers commonly used on the Macintosh.
UDP Port Numbers Commonly Used on the Macintosh
The complete, official port number list is at http://www.iana.org/assignments/port-numbers, however this list is very difficult to understand, is missing many of the commonly-used (if not official) Macintosh ports and contains a good deal of obsolete information.
www.opendoor.com /doorstop/Ports.html   (143 words)

  
 Port 1 - 99
Sometimes this program is assigned to this port
Sometimes access FTP servers running at this port.
Puts an FTP service at port 41 (TCP).
www.bekkoame.ne.jp /~s_ita/port/port1-99.html   (73 words)

  
 Well known IP ports, 0 through 999
The well known ports are assigned by IANA in the range of 0 to 1023.
MATIP, Mapping of Airline Traffic over Internet Protocol, Type A., Mapping of Airline Traffic over Internet Protocol, Type B. bhoetty.
IMAP4+SSL (Use of 585 is not recommended use 993 instead).
www.networksorcery.com /enp/protocol/ip/ports00000.htm   (111 words)

  
 TCPIP Port Numbers, Active Ports, and Exploits   (Site not responding. Last check: 2007-10-22)
I will use this page to collect ip port information, tips and resources.
If there is a good resource on the net which is not here, please let me know:
SANs : What port numbers do well-known trojan horses use?
is-it-true.org /fw/fwtips11.shtml   (214 words)

  
 Welcome to the home of the XPLOITER - Trojan Port Numbers Listing   (Site not responding. Last check: 2007-10-22)
Using this page you can determine whether a trojan is listening on your system or not.
The connections and Listening ports on your computer can be identified either by using Netstat.exe or my Windows based version - TotoStat.
If you follow THIS LINK, you will find the port numbers as assigned by the RFC's
www.xploiter.com /security/trojanport.html   (108 words)

  
 [No title]
PORT NUMBERS (last updated 11 October 2005) The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports.
The Registered Ports are those from 1024 through 49151 The Dynamic and/or Private Ports are those from 49152 through 65535 ************************************************************************ * PLEASE NOTE THE FOLLOWING: * * * * 1.
synotics-relay 391/tcp SynOptics SNMP Relay Port synotics-relay 391/udp SynOptics SNMP Relay Port synotics-broker 392/tcp SynOptics Port Broker Port synotics-broker 392/udp SynOptics Port Broker Port # Illan Raab
www.iana.org /assignments/port-numbers   (11028 words)

  
 [No title]
REGISTERED PORT NUMBERS The Registered Ports are not controlled by the IANA and on most systems can be used by ordinary user processes or programs executed by ordinary users.
#PROBLEMS!=================================================== stun-p1 1990/tcp cisco STUN Priority 1 port stun-p1 1990/udp cisco STUN Priority 1 port stun-p2 1991/tcp cisco STUN Priority 2 port stun-p2 1991/udp cisco STUN Priority 2 port stun-p3 1992/tcp cisco STUN Priority 3 port stun-p3 1992/udp cisco STUN Priority 3 port #PROBLEMS!=================================================== ipsendmsg 1992/tcp IPsendmsg ipsendmsg 1992/udp IPsendmsg # Bob Kummerfeld
# PROBLEM krb524 assigned the port, # PROBLEM nv used it without an assignment nv-video 4444/tcp NV Video default nv-video 4444/udp NV Video default # Ron Frederick
www.swcp.com /pcaskey/port-numbers   (7127 words)

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