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Cannot Open Socket Localhost


As Bert mentioned in his answer, listening on port 77 will (with the default configuration) require root privileges. Why is Professor Lewin correct regarding dimensional analysis, and I'm not? share|improve this answer answered Jun 28 '12 at 12:53 user370305 70.3k13127122 Okay, every thing (App Server and Emulator) needed a restart after running the command, now everything's working fine. Share a link to this question via email, Google+, Twitter, or Facebook. http://sauvblog.com/how-to/cannot-open-usb.html

This isn't specific to Windows, just more common, apparently, it can be seen on Linux, too, if "localhost" isn't in either /etc/hosts, or the upstream DNS hasn't added an entry for But if I change it to listen on (my intranet ip) then everything works: >psql.exe --host= --username=test test psql (9.4.0) Same behavior (meaning PostgreSQL works fine) is if I tell What's the name of style where GM assumes idiotic behaviour unless stated otherwise? Browse other questions tagged networking or ask your own question. you could try here

Linux How To Open A Port For Listening

up vote 3 down vote favorite I've been working with socket programming lately; and I'm currently making a server that listens on a port for incoming connections, then once it gets Is this Business or Tourism? var net=require('net'); net.createServer(function() { console.log('request'); }).listen(8000); net.connect({host: '', port: 8000}, function() { console.log('connected'); }); Verified with both x86 and x64 as well as with the If not for the socket, most of the network communication between systems would never ever have happened.

So your machine has its own loopback address and so does the emulator. This incident will be reported What's the name of style where GM assumes idiotic behaviour unless stated otherwise? Here's how you would set up forwarding of host port 8666 to emulator/device port 8666: If this doesn't help then post your code and logcat errors. How To Listen On A Port In Linux Would we find alien music meaningful?

One thing to look at is the localhost binding. How To Make A Port Listen In Linux If there was an error, the error message is returned. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. http://stackoverflow.com/questions/7815499/c-why-cant-i-access-my-server-from-outside-localhost RIAEvangelist commented Jul 27, 2015 in the end to maintain backwards compatibility I detected the first connection family v6 or v4 and used that to form the default localhost.

The OK or FAIL column What was Stan Lee's character reading on the bus in Doctor Strange Adverb for "syntax" How safe is 48V DC? How To Make A Port Listen In Windows Server Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Why are password boxes always blanked out when other sensitive data isn't? Copyright © 1995-1997 Roger E.

How To Make A Port Listen In Linux

I notice tcp_wrap.cc is quite a bit smaller in iojs than in node. http://askubuntu.com/questions/301787/opening-a-port-for-listening Are you sure you want to replace the current answer with this one? Linux How To Open A Port For Listening See the ## Monit Wiki if you want to enable SSL for the web server. # # set httpd port 2812 and # use address localhost # only accept connection from How To Open A Port For Listening In Windows For example, launch the netcat command again and run your Qt app.

I want to connect my socket to the localhost at first. http://sauvblog.com/how-to/cannot-open-usb-device.html why doesn't it just work like unix? Why do languages require parenthesis around expressions when used with "if" and "while"? Why is looping over find's output bad practice? Port Listen Command In Linux

Tcl then invokes command with three additional arguments: the name of the new channel, the address, in network address notation, of the client's host, and the client's port number. Use Should I create multiple maintenance plans to backup more than 200 User databases Why there are no approximation algorithms for SAT and other decision problems? http://sauvblog.com/how-to/cannot-open-my-trunk.html Happy Coding..! –user370305 Jun 28 '12 at 12:55 | show 6 more comments 3 Answers 3 active oldest votes up vote 1 down vote accepted Try using, Port Forwarding From command

Thanks a lot..!! –Kushal Jun 28 '12 at 12:58 Welcome Buddy..! How To Open A Port In Ubuntu Defaulting to localhost allows the system to be configured as to whether localhost should (edit: "be") IPv4 or IPv6. The host address is one of the most fundamental bits of data in establishing a connection to simply default to some "random" value one might see fit.

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Not the answer you're looking for? It's surprisingly easy to miss sometimes. CONFIGURATION OPTIONS The fconfigure command can be used to query several readonly configuration options for socket channels: -error This option gets the current error status of the given socket. Nc: Address Already In Use It is the particular protocol such as TCP to be spoken over the socket.

At delivery time, client criticises the lack of some features that weren't written on my quote. This was later ported on to every known OS enabling communication between systems across geographical location running on different OS software. Note: I know its not recommended to perform network IOs in any Activity class, and I'm not doing that way either, above code is just a problem simplified to understand. Check This Out some large portion of users do infact use windows.

Would we find alien music meaningful? Note that the default encoding for all sockets is the system encoding, as returned by encoding system. addFieldToFilter() And Condition in magento2 Can I hint the optimizer by giving the range of an integer? CLIENT SOCKETS If the -server option is not specified, then the client side of a connection is opened and the command returns a channel identifier that can be used for both

iojs causes a DNSConfig error to be displayed in windows. The latest "stable" iojs implementation does not. Yes, I'm sure. After the terminal displays "Hello Server", type something into the terminal and press the Return key.