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Topic: TCP and UDP port

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In the News (Tue 19 Mar 19)

csoft-prev 3271/tcp CSoft Prev Port csoft-prev 3271/udp CSoft Prev Port # Nedelcho Stanev
talon-disc 7011/tcp Talon Discovery Port talon-disc 7011/udp Talon Discovery Port talon-engine 7012/tcp Talon Engine talon-engine 7012/udp Talon Engine # Jack Curtin
########## Compuserve (unoffically) is using port 4144 ######### # 4144-4159 Unassigned jini-discovery 4160/tcp Jini Discovery jini-discovery 4160/udp Jini Discovery # Bryan O'Sullivan /free/sicurezza/Regports3.txt

 2502 St Johns Port Moody
Port Numbers - Clifford Neuman chimera-hwm 4009/tcp Chimera HWM chimera-hwm 4009/udp Chimera HWM # Ken Anderson samsung-unidex 4010/tcp Samsung Unidex samsung-unidex 4010/udp Samsung Unidex # Konstantin V. NUMBERS The port numbers are divided into three...
City of Port Moody - Current Development Projects - Current development projects under consideration and construction in the City of Port Moody.
If you will be moving it back and forth from an office to your home, or if the shredder will be transported on a weekly basis, consider purchasing shredders which are more compact. /2502-st-johns-port-moody.html

 TCP/IP Ports
TCP Ports and Microsoft Exchange: In-depth Discussion and Restricting Active Directory Replication Traffic to a Specific Port.
There is information on IP (the protocol on which TCP and UDP are built) in
Implementations needing a system TCP port number may use port 860, the port assigned by IANA as the iSCSI system port; however in order to use port 860, it MUST be explicitly specified - implementations MUST NOT default to use of port 860, as 3260 is the only allowed default. /~rakerman/port-table.html

 Portfwd - Port Forwarding Daemon
Portfwd is a small C++ utility which forwards incoming TCP connections and/or UDP packets to remote hosts.
/* portfwd1.cfg */ tcp /* TCP connections */ { /* * Connections on port 12000 from subnet localhost/24 and * ports in the range 0-5000 are forwarded to
*/ 11000 { localhost => } } udp /* UDP packets */ { /* * All packets on port 10000 are forwarded to /portfwd   (129 words)

 Tcp, tcp test, tcp ip version 6
Tcp ip networking Microscope tcp ip Difference between tcp and udp Tcp ip protocol stack Tcp ip command Embedded tcp ip Open tcp port Tcp port 1025 Tcp offload engine Define tcp ip
Visual basic tcp History of tcp ip Tcp ip utility Tcp rfc Tcp lighting Tcp ip programming Tcp dump Tcp port 445 Tcp vs udp Tcp ip osi model
Tcp ip version 6 Tcp wrapper Tcp test Ip tcp uninstall Ip tcp works Dvr on tcp ip Tcp ip protocol Ip modelo tcp Tcp ip protocol suite Tcp port list /tcp.html   (315 words)

 TCP and UDP Ports Explained
What this means is that UDP does not connect directly to the receiving computer like TCP does, but rather sends the data out and relies on the devices in between the sending computer and the receiving computer to get the data where it is supposed to go properly.
If it uses the UDP protocol to send and receive data, it will use a UDP port.
That information is sent most often via two methods, UDP and TCP. /forums/index.php?showtutorial=38   (315 words)

Port preservation is not important Some NATs, when establishing a new TCP or UDP session, attempt to assign the same public port number as the corresponding private port number, if that port number happens to be available.
Cone NAT The fundamental property of Cone NAT is that it reuses port binding assigned to a private host endpoint (identified by the combination of private IP address and protocol specific port number) for all sessions initiated by the private host from the same endpoint, while the port binding is alive.
NAT A has assigned TCP port 62000, at its own public IP address, to serve as the temporary public endpoint address for A's session with S: therefore, server S believes that client A is at IP address using port 62000. /pub/net/draft-ford-midcom-p2p-03.txt   (315 words)

 Transmission Control Protocol (TCP)
from an application or session layer protocol) are placed in memory buffers and transmitted by TCP in transport Protocol Data Units (for TCP these are usually known as "segments").
To implement the service, TCP uses a number of protocol timers that ensure reliable and synchronised communication between the two End Systems.
The reliabel, flow-controlled TCP service is much more complex than UDP, which only provides a Best Effort service. /users/gorry/course/inet-pages/tcp.html   (256 words)

tcpmux 1/tcp TCP Port Service Multiplexer tcpmux 1/udp TCP Port Service Multiplexer # Mark Lottor
PORT NUMBERS (last updated 8 November 2004) The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports.
Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations. /assignments/port-numbers   (256 words)

 UDP Communication in LabVIEW - Tutorial - Development Library - National Instruments
If the UDP read timesout (after 250 ms) the error is ignored, nothing is printed to the indicator, and the loop returns to the beginning and listens for data on the UDP port again.
A client must simply listen on a specified UDP port, and any data broadcast to that port of that client is received.
Unlike TCP, UDP does not guarantee the safe arrival of data to the destination. /devzone/conceptd.nsf/webmain/BB41313D7AB28CBD86256802007B8DC5?opendocument   (256 words)

 Dynamic Host Configuration Protocol: Frequently Asked Questions
Messages from the DHCP client to the DHCP server use UDP source port 68 and UDP destination port 67.
Messages from the DHCP server to the DHCP client use UDP source port 67 and UDP destination port 68.
What protocols and ports does DHCP traffic use? /windowsserver2003/techinfo/overview/dhcpfaq.mspx   (2716 words)

 TCP/IP Ports
TCP Ports and Microsoft Exchange: In-depth Discussion and Restricting Active Directory Replication Traffic to a Specific Port.
Network Sorcery lists the IANA TCP/UDP Ports with links to pages describing some protocols in detail, as part of its incredibly useful RFC Sourcebook.
The three main ones are LPD ("printer") on port 515, IPP on 631, and PDL-datastream on 9100. /~rakerman/port-table.html   (3069 words)

iso-tsap-c2 399/tcp ISO Transport Class 2 Non-Control over TCP iso-tsap-c2 399/udp ISO Transport Class 2 Non-Control over UDP # Yanick Pouffary
Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations.
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. /assignments/port-numbers   (11033 words)

 Test Firewall configuration using AATools port scanner (sniffer)
AATools include powerful TCP Port Scanner and the best UDP Port Scanner as well as 10 different state-of-the-art tools for assessment optimizing, managing, and safeguarding of your networks and computer.
Port Scanner accurately determines active services on the appropriate host using TCP/UDP port interrogations.
AATools Port Scanner includes an internal database currently reporting on 4257 ports (officially assigned, unofficially used, or currently affected by network Trojan Horses). /port_scanner.htm   (687 words)

 Zvon - RFC 2663 [IP Network Address Translator (NAT) Terminology and Considerations] - Realm Specific IP (RSIP)
Realm Specific Address and port IP (RSAP-IP) is a variation of RSIP in that multiple private hosts use a single external address, multiplexing on transport IDentifiers (i.e., TCP/UDP port numbers and ICMP Query IDs).
A NAPT router enroute could serve as RSAP-IP-Server, when the outer encapsulation is TCP/UDP based and is addressed between the RSAP-IP- Client and external peer.
In the first method, outer layer of the outgoing packet from Host-A uses (private address Addr-A, source port T-Na) as source tuple to communicate with Host-X. NAPT router enroute translates this tuple into (Addr-Nx, Port T-Nxa). /tmRFC/RFC2663/Output/chapter5.html   (687 words)

 Ports Database
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 or DNS zones.
In a similar way, a mapping of service name to port number is available.   (687 words)

 Port (computing) - Wikipedia, the free encyclopedia
A network port is a special number, ranging from 0-65535, recognized by the TCP and UDP protocols.
In TCP and UDP the combination of a port and a network address (IP-number) is called a socket: e.g.
By including the desired port number in the transmission of data it is possible to target specific application's on the recieving end and as long as they are listening to the correct port number they will receive the correct data, even though all data is sent through the same physical port. /wiki/Port_(computing)   (711 words)

 VanLUG Mailing List By Date
What TCP/UDP ports do I have to open in firewall?
Re: What TCP/UDP ports do I have to open in firewall?
RE: recommendations for 8 port hub with no fan?! /vanlug/2000-2/date.html   (711 words)

 The TCP/IP Guide - Common TCP/IP Applications and Assigned Well-Known and Registered Port Numbers
The other problem with this document is that it shows the same port number as reserved for both TCP and UDP for an application.
It was believed that this would lead to confusion, so with very few exceptions, the same port number is shown in the list for the same application for both TCP and UDP.
Each port number is assigned a short keyword, with a brief description of the protocol that uses it. /free/t_CommonTCPIPApplicationsandAssignedWellKnownandRegi.htm   (711 words)

 NAT: Traditional IP Network Address Translator (Network Address Translation) RFC 3022
Network Address Port Translation, or NAPT is a method by which many network addresses and their TCP/UDP ports are translated into a single network address and its TCP/UDP ports.
This solution has the disadvantage of taking away the end-to-end significance of an IP address, and making up for it with increased state in the network.
The need for IP Address translation arises when a network's internal IP addresses cannot be used outside the network either for privacy reasons or because they are invalid for use outside the network. /protocolNAT.html   (711 words)

 Virtual Server via NAT
Network address port translation is an extension to basic NAT, in that many network addresses and their TCP/UDP ports are translated to a single network address and its TCP/UDP ports.
Then, the destination address and the port of the packet are rewritten to those of the chosen server, and the packet is forwarded to the server.
The code is implemented on Linux IP Masquerading codes, and some of Steven Clarke's port forwarding codes are reused. /VS-NAT.html   (711 words)

 Foundry Networks : Services : Documentation : Foundry Enterprise Configuration and Management Guide
Port Address Translation enabled - NAT treats the client's IP address and TCP or UDP port number as a single entity, and uniquely maps that entity to another entity consisting of an IP address and TCP or UDP port number.
Port 1/24 connects the Layer 3 Switch to the Switch, which is connected to the private network containing the NAT clients.
When Port Address Translation is enabled, this field indicates the protocol NAT is using to uniquely identify the host. /services/documentation/ecmg/NAT.html   (711 words)

 Windows 2000 Network Load Balancing Technical Overview
Network Load Balancing tracks TCP connections on each host, and, after their current TCP connection completes, the next connection from the affected clients will be handled by the new cluster host; UDP streams are immediately handled by the new cluster host.
Network Load Balancing's remote control mechanism uses the UDP protocol and is assigned port 2504.
Network Load Balancing automatically modifies the cluster adapter's MAC address by setting a registry entry and then reloading the adapter's driver; the operating system does not have to be restarted. /technet/prodtechnol/windows2000serv/deploy/confeat/nlbovw.mspx   (10815 words)

 List of well-known ports (computing) - Wikipedia, the free encyclopedia
GameConfig TCP and UDP port settings for games
3128/tcp: HTTP used by web caches and the default port for the Squid cache
20/tcp: FTP (File Transfer Protocol) - data port /wiki/List_of_well-known_ports_(computing)   (10815 words)

 Tcp, tcp test, tcp ip version 6
Tcp ip networking Microscope tcp ip Difference between tcp and udp Tcp ip protocol stack Tcp ip command Embedded tcp ip Open tcp port Tcp port 1025 Tcp offload engine Define tcp ip
Tcp ip version 6 Tcp wrapper Tcp test Ip tcp uninstall Ip tcp works Dvr on tcp ip Tcp ip protocol Ip modelo tcp Tcp ip protocol suite Tcp port list
AboutTcp, tcp test, tcp ip version 6, tcp wrapper /tcp.html   (314 words)

 User Datagram Protocol - Wikipedia, the free encyclopedia
Since UDP is stateless and a UDP sender may not solicit replies, the source port is optional.
The port fields are followed by a mandatory length field indicating the length in bytes of the UDP datagram including the data.
UDP does not provide the reliability and ordering guarantees that TCP does; datagrams may arrive out of order or go missing without notice. /wiki/User_Datagram_Protocol   (314 words)

 Special Applications - Port List
The 6112 port is needed in both TCP and UDP for StarCraft and Diablo II, and the 4000 port is needed for Diablo II.
I found that port range 9900-9901 UDP is also needed but not mentioned at phonefree support.
Hexen II Each computer hosting Hexen II must use a different port number, starting at 26900 and incrementing by 1. /sharing/app_port_list.htm   (1376 words)

 Networking Basics
Ports are identified by a 16-bit number, which TCP and UDP use to deliver the data to the right application.
In connection-based communication such as TCP, a server application binds a socket to a specific port number.
The UDP protocol provides for communication that is not guaranteed between two applications on the network. /docs/books/tutorial/networking/overview/networking.html   (1376 words)

 Port Forwarding Explained
Port Forwarding is the technique of taking packets destined for a specific TCP of UDP port and machine, and 'forwards' them to a different port and/or machine.
Packets from the LAN (A and B) would go to port 80 on the gateway (G), and then Guidedog would forward the packets on to their new destination, the machine (I) on the Internet.
Imagine that we want to port forward traffic to TCP port 80 on machine G to port 80 on another computer on the internet (I). /software/guidedog/manual/whatisportforwarding.html   (318 words)

 Port - Waikato Linux Users Group
TCP/IP has ports which when associated with an IP identify uniquely one end of a TCP (or UDP) connection.
Some ports are 'well known' and by convention programs listen on them, for instance port 22 by convention will have an ssh daemon listening on it.
Porting is making software that runs on one type of computer or OperatingSystem run on another. /Port   (318 words)

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