Recent questions tagged tcp

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tcp - Smack 4.1 Android anonymous registration to Openfire

I want connect anonymously to openfire server with Android Smack 4.1 client and register the new user (username = "wq ... to pass it this way ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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tcp - How to read and write to a TCPStream simultaneously?

This previous answer does not work anymore since TCPStream does not have clone() anymore. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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540 views

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tcp - How do you specify a port range for Java sockets?

In Java you can give the number zero as a single parameter for the Socket or DatagramSocket constructor. Java ... lookup to a specific range? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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tcp - How many sockets can be created from a port?

How many sockets can be created from a port? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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tcp - How do I handle parallel reads and writes on a TcpStream?

I read Idiomatic way to handle writes to a TcpStream while waiting on read, but I'm still unsure of how to ... Almost like a simple echo server. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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393 views

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tcp - is 10025 a special value for allocating byte[]

I see several times in some code here for TCP communication the following line: byte[] bytesFrom = new byte ... is just arbitrary chosen. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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tcp - GOLANG, HTTP having "use of closed network connection" error

I am getting a lot of error like below mentioned, read tcp xx.xx.xx.xx:80: use of closed network ... .ipv4.conf.default.secure_redirects = 0 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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tcp - The trait bound `(): futures::Future` is not satisfied when using TcpConnectionNew

I am trying to write a simple TCP client in Rust using Tokio crate. My code is pretty close to this example minus ... 0.1.3 What am I missing? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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353 views

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tcp - Smack 4.1 Android anonymous registration to Openfire

I want connect anonymously to openfire server with Android Smack 4.1 client and register the new user (username = "wq ... to pass it this way ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

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tcp - Java file transfer file to server

I am new to Java networking, and having looked for a resolution for my problem for a while now, I figured why not ask ... (); sock.close(); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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tcp - python TCPServer address already in use but I close the server and I use `allow_reuse_address`

Here is my code to run the server: class MyRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler): #.... PORT = 8089 ... Using python 2.6.8. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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669 views

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tcp - Can't connect to Android via ADB over wifi - Do I need root access?

I'm basically trying to do this: How can I connect to Android with ADB over TCP? with the Droid X2. I ... to avoid rooting the phone. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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454 views

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tcp - WCF Metadata contains a reference that cannot be resolved

I've spent a couple of hours searching about this error, and I have tested almost everything it's on Google. ... same folder with svcutil.exe. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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455 views

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tcp - Why is it not possible to fake an IP address?

I know it's possible to change an IP address using a proxy, but I'm interested in why is it not ... server and receives the reply immediately. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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398 views

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tcp - what is a good invalid IP address to use for unit tests?

I am writing unit tests for a client library. I want to test connecting with an invalid port and an invalid ... somewhere in the IPv4 spec? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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459 views

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tcp - How do ports work with IPv6?

Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of ... IPv6 address/port endpoint? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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604 views

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tcp - How to make an Echo server with Bash?

How to write a echo server bash script using tools like nc, echo, xargs, etc capable of simultaneously ... only allows a single connection. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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642 views

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tcp - How to write a high performance Netty Client

I want an extremely efficient TCP client to send google protocol buffer messages. I have been using the Netty ... this with a single channel? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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432 views

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tcp - JavaScript WebSockets with UDP?

I'm writing a JavaScript Application that has to receive a huge amount of data from other users. It is not ... with UDP instead of TCP? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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509 views

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tcp - Use adb over tcpip in Android Studio?

Is it possible to show the adb logcat for a tcpip device in Android Studio? I am writing a application ... .com/tools/help/adb.html#wireless See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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621 views

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tcp - When does a Java socket send an ack?

My question is that when a socket at the receiver-side sends an ack? At the time the application read the ... side took the packet or not. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

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tcp - Google App Engine communicate with Compute Engine over internal network

We're building an application in the google cloud. We're using App Engine as frontend and Compute Engine ... with App Engine backend instances? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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619 views

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tcp - How to send carriage return over telnet?

I am using Ubuntu telnet client. I am trying to send 2 lines over the telnet connection that I have made. ... after that. Can somebody help? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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446 views

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tcp - What is the use/purpose of MQTT QoS?

I am studying the MQTT protocol and it seems that there is a contradiction in the very first lines of the ... lossless protocol may be used) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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514 views

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tcp - close() socket directly after send(): unsafe?

Is it wise/safe to close() a socket directly after the last send()? I know that TCP is supposed to try to ... and I'm writing a small server). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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594 views

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tcp - What is the mask in a WebSocket frame?

I am working on a websocket implementation and do not know what the sense of a mask is in a frame. Could somebody explain me ... --------------+ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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424 views

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tcp - Blocking sockets: when, exactly, does "send()" return?

When, exactly, does the BSD socket send() function return to the caller? In non-blocking mode, it should return ... UDP? If not, why not? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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340 views

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tcp - HTTP packet reconstruction

If I have a large HTTP packet which has been split up into a number of TCP packets, how can I ... HTTP stream/packets myself? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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