Tcp client server chat program java工作

筛选

我最近的搜索
筛选:
预算
键入
项技能
语言
    工作状态
    8,966 tcp client server chat program java 找到的工作,价格在 HKD

    如果你是安卓的反,反编译主和其他网络 通信集成插座的IP / TCP水平是比较高的,欢迎参加 项目。我们要做的事是进入大圆直播室,登录多个 客户以保持包的心跳;所以我们需要分析客户的大圆,反。不 只是安卓斗鱼客户端,和ISO版本的安卓平板电脑,可以试试;附件也有一个 详细介绍,如果你需要更多的了解,请与我沟通 长时间在线。

    $27273 (Avg Bid)
    $27273 平均报价
    6 竞标

    ...每秒600m这样的速率! 普通的发包工具网上有源代码免费的可以下载了参考! 此测试也是一个技术考核,剩下的基本都是功能的实现,全是应用层写代码的活,没什么技术难度! 具体要求: 软件前台构架:1,主控制端(WINDOWS平台下运行) 2,受控端(Linux平台下运行)+(windows平台) 技术要求: 1,发包类型:为SYN、UDP、ICMP,TCP,CC DNS请求并发接攻 击等,多种。但以SYN(可自定义数据包)为主,发送伪造源IP的SYN数据包但是数据包不是64字节而是上千字节这种攻击会造成一些防火墙处理错误锁死,消耗服务器CPU内存的同时还会堵塞带宽。 2,可以轮询发包:比如,输入一组ip地址,输入轮询时间30秒,选择发包方式,我们服务端30秒向第一个ip地址发包,接着30秒向第二个

    $49689 - $99377
    $49689 - $99377
    0 竞标
    Modbus RTU 转TCP 已经结束 left

    在嵌入式系统中实现将串口接收过来的modbus RTU 转成modbus TCP协议从以太网口发送出去

    $157 / hr (Avg Bid)
    $157 / hr 平均报价
    5 竞标

    ... 普通的发包工具网上有源代码免费的可以下载了参考! 此测试也是一个技术考核,剩下的基本都是功能的实现,全是应用层写代码的活,没什么技术难度! 具体要求: 软件前台构架:1,主控制端(WINDOWS平台下运行) 2,受控端(Linux平台下运行)+(windows平台) 技术要求: 1,发包类型:为SYN、UDP、ICMP,TCP,CC DNS请求并发接攻 击等,多种。但以SYN(可自定义数据包)为主,发送伪造源IP的SYN数据包但是数据包不是64字节而是上千字节这种攻击会造成一些防火墙处理错误锁死,消耗服务器CPU内存的同时还会堵塞带宽。 2,可以轮询发包:比如,输入一组ip地址,输入轮询时间30秒,选择发包方式,我们服务端30秒向第一个ip地址发包,接着30秒向

    $110416 (Avg Bid)
    $110416 平均报价
    2 竞标

    ... 普通的发包工具网上有源代码免费的可以下载了参考! 此测试也是一个技术考核,剩下的基本都是功能的实现,全是应用层写代码的活,没什么技术难度! 具体要求: 软件前台构架:1,主控制端(WINDOWS平台下运行) 2,受控端(Linux平台下运行)+(windows平台) 技术要求: 1,发包类型:为SYN、UDP、ICMP,TCP,CC DNS请求并发接攻 击等,多种。但以SYN(可自定义数据包)为主,发送伪造源IP的SYN数据包但是数据包不是64字节而是上千字节这种攻击会造成一些防火墙处理错误锁死,消耗服务器CPU内存的同时还会堵塞带宽。 2,可以轮询发包:比如,输入一组ip地址,输入轮询时间30秒,选择发包方式,我们服务端30秒向第一个ip地址发包,接着30秒向

    $39196 - $78393
    $39196 - $78393
    0 竞标

    ...每完成一份付你1w人民币,10份完成也就是支付你10w 在以后就是每月2w的维护费用 每月的维护费用是指软件添加一些小功能和增加一些发包模式 具体要求: 软件前台构架:1,主控制端(WINDOWS平台下运行) 2,受控端(Linux平台下运行)+(windows平台) 技术要求: 1,发包类型:为SYN、UDP、ICMP,TCP,CC DNS请求并发接攻 击等,多种。但以SYN FLOOD变种(可自定义数据包)为主,发送伪造源IP的SYN数据包但是数据包不是64字节而是上千字节这种攻击会造成一些防火墙处理错误锁死,消耗服务器CPU内存的同时还会堵塞带宽。 2,可以轮询发包:比如,输入一组ip地址,输入轮询时间30秒,选择发包方式,我们服务端30秒向第一个ip地址发

    $78393 - $156785
    $78393 - $156785
    0 竞标

    ... 5.开发者必须能够流利中文语音交流,否则不考虑!不能流利中文交流的不要投标以免浪费彼此的时间! 具体需要的功能很多,有能力发开者继续详谈! 具体要求: 软件前台构架:1,主控制端(WINDOWS平台下运行) 2,受控端(Linux平台下运行)+(windows平台) 技术要求: 1,发包类型:为SYN、UDP、ICMP,TCP,CC DNS请求并发接攻 击等,多种。但以SYN FLOOD变种(可自定义数据包)为主,发送伪造源IP的SYN数据包但是数据包不是64字节而是上千字节这种攻击会造成一些防火墙处理错误锁死,消耗服务器CPU内存的同时还会堵塞带宽。 2,可以轮询发包:比如,输入一组ip地址,输入轮询时间30秒,选择发包方式,我们服务端30秒向第一个ip地址发

    $143717 (Avg Bid)
    $143717 平均报价
    2 竞标

    ...有网络驱动编写经验,有高并发网络经验,精通tcp/ip udp dns 等协议或肯钻研! 2.被控端可支持windows和linux,主控端支持windows 3.被控端linux千兆上行条件下并发syn要求达到150wpps/s 4.有钻研精神,能独立完成项目,不能像挤牙膏一样工作。 5.开发者必须能够流利中文语音交流,否则不考虑!不能流利中文交流的不要投标以免浪费彼此的时间! 具体需要的功能很多,有能力发开者继续详谈!只限中文竞标,台湾或新加坡优先考虑! 具体要求: 软件前台构架:1,主控制端(WINDOWS平台下运行) 2,受控端(Linux平台下运行)+(windows平台) 技术要求: 1,发包类型:为SYN、UDP、ICMP,TCP,CC DNS请求并发接攻 击等,多种。但以SYN

    min $39196
    min $39196
    0 竞标

    有网络驱动编写经验,有高并发网络经验,精通tcp/ip udp dns 等协议或肯钻研! 被控端可支持windows和linux,主控端支持windows 有钻研精神,能独立完成项目,不能像挤牙膏一样工作。

    $11759 - $23518
    $11759 - $23518
    0 竞标

    招聘一技术员,兼职月薪万元起,每天保证4小时以上的工作量即可 要求非常了解tcp协议,http协议,dns协议 有多年c++经验 具体功能详谈! 只限中文竞标!

    $17583 (Avg Bid)
    $17583 平均报价
    8 竞标

    ... 1.有网络驱动编写经验,有高并发网络经验,精通tcp/ip udp dns 等协议或肯钻研! 2.被控端可支持windows和linux,主控端支持windows 3.被控端linux千兆上行条件下并发syn要求达到150wpps/s 4.有钻研精神,能独立完成项目,不能像挤牙膏一样工作。 5.开发者必须能够流利中文语音交流,否则不考虑!不能流利中文交流的不要投标以免浪费彼此的时间! 具体需要的功能很多,有能力发开者继续详谈! 具体要求: 软件前台构架:1,主控制端(WINDOWS平台下运行) 2,受控端(Linux平台下运行)+(windows平台) 技术要求: 1,发包类型:为SYN、UDP、ICMP,TCP,CC DNS请求并发接攻 击等,多种。但以SYN

    $113230 (Avg Bid)
    $113230 平均报价
    3 竞标

    需要开发一款防火墙压力测试软件。类似于 [login to view URL] 但不需要感染,传播等等,并非黑客软件,只需要发包功能 1.有网络驱动编写经验,有高并发网络经验,精通tcp/ip udp dns 等协议或肯钻研! 2.被控端可支持windows和linux,主控端支持windows 3.被控端linux千兆上行条件下并发syn要求达到150wpps/s 4.有钻研精神,能独立完成项目,不能像挤牙膏一样工作。 5.全职可以提供出国就业机会,兼职的话尽量能是比较熟悉上述环境! 具体需要的功能很多,有能力发开者继续详谈! 待遇如下:自开发起每月3000$ 起步。 后续开发其他软件在另付费!当然如果你有很牛的技术,待遇可以在谈!

    $31827 (Avg Bid)
    $31827 平均报价
    6 竞标
    开发ddos集群软件 已经结束 left

    1.有网络驱动编写经验,有高并发网络经验,精通tcp/ip udp dns 等协议或肯钻研! 2.被控端可支持windows和linux,主控端支持windows 3.被控端linux千兆上行条件下并发syn要求达到150wbps/s 4.有钻研精神,能独立完成项目,不能像挤牙膏一样工作。 5.全职可以提供出国就业机会,兼职的话尽量能是比较熟悉上述环境!

    $33920 (Avg Bid)
    $33920 平均报价
    2 竞标

    开发一个BS版本的发电机远程管理系统。 系统组成:服务器+Browser+App+数据采集器 需要完成: 1.采集器本地配置软件,采用RS232与数据采集器通信。 2.监控系统(BS模式),通过Internet,基于TCP与采集器通信,收集跟踪发电机相关数据;并管理跟踪发电机发电信息、位置信息等。 3.监控App软件。

    $32541 (Avg Bid)
    $32541 平均报价
    3 竞标

    开发一款LSP拦截类型的游戏加速器   LSP加速器 架构:游戏客户端 --> LSP --(自定义协议)--> 中转中心 --(任意协议)--> 代理服务器 ----> 游戏服务器 自定义协议: TCP: LSP 拦截Connect,修改目的地址为 中转中心 地址 发送一个数据给 中转中心,数据格式为 remoteip remoteport pid 之后所有 游戏客户端 的数据直接发给中转中心 UDP:对每一个 游戏客户端 的数据进行封装,在数据头部添加 remoteip remoteport pid 为什么使用自定义协议:减少 LSP 与 中转中心 的握手次数提高性能,而且 LSP 所处的环境很特殊,数据交换比较困难。 中转中心: 对内接口使用 自定义协议 进行通信

    $9799 (Avg Bid)
    $9799 平均报价
    1 竞标

    If you dont understand what has to be done from the title, please dont message. If you haven't done it in the past, please dont message. If you cant do it in less than ONE DAY, please dont message. Excel 2007

    $1058 (Avg Bid)
    $1058 平均报价
    16 竞标

    ...servidor. COMANDOS: 1:iptables -A INPUT -p tcp --destination-port 3306 -j DROP 2:iptables -A INPUT -p tcp -s {ip_liberação} --dport 3306 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT 3:iptables -A OUTPUT -p tcp --sport 3306 -m conntrack --ctstate ESTABLISHED -j ACCEPT 4:iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 3306 -j REDIRECT --to-port ...

    $117 (Avg Bid)
    $117 平均报价
    6 竞标

    I would like to implement MP-TCP in NS3. There will be traffic differentiation from source. I hope there will be measurement of delay, packet delivery ratio and jitter with graphs

    $5495 (Avg Bid)
    $5495 平均报价
    10 竞标
    open-close socket connection 5 日 left
    已验证

    i want program for allow port for program connection to my server for use some port like tcp 5000 If that program send some correct key to server program then my server open port 5000 for that ip connection. For more detail please inbox.

    $282 (Avg Bid)
    $282 平均报价
    16 竞标

    ...software that my company will release, we need a simple network kernel driver that will run on the following operating systems: - Windows server 2008 (all editions) - Windows server 2012 (all editions) - Windows server 2016 (all editions) The module must be clean written, understandable code so other developers can work with it in future. Commented code

    $237 / hr (Avg Bid)
    $237 / hr 平均报价
    6 竞标

    If you dont understand what has to be done from the title, please dont message. If you haven't done it in the past, please dont message. If you cant do it in less than ONE DAY, please dont message. Excel 2007

    $1043 (Avg Bid)
    $1043 平均报价
    7 竞标

    Hi guys, I have no experience with tcp and I need to make some simple task... I want to make just a simple HTTPS Proxy... and I need help to forward port to a remote cliente between a tunnel..... I have this code: try { SshClient sshClient = new SshClient(str, 8080, "login", "pwd"); [login to view URL]();

    $4555 (Avg Bid)
    $4555 平均报价
    3 竞标

    I need you to develop some software for me. I would like this software to be developed for Linux using Python. High Skills in tcp/ip and Network Engineering required

    $1361 (Avg Bid)
    $1361 平均报价
    18 竞标

    simple photon networking project related to UDP and TCP

    $188 (Avg Bid)
    $188 平均报价
    2 竞标

    TCP/UDP Client C# Programming

    $2744 (Avg Bid)
    $2744 平均报价
    1 竞标

    Hi, I have written a file transfer program that I want to extended to include an RDT Stop and Wait error scheme. I have included my original UDPClient, UDPServer and Bridge class files from Stage 1 in UDP_ChatStage1.zip. The first thing that will need to be done is implementing an extension to the original UDPClient, UDPServer files before the other

    $839 (Avg Bid)
    $839 平均报价
    4 竞标

    I need to send and receive files over tcp with a client server setup.

    $196 (Avg Bid)
    $196 平均报价
    13 竞标

    ...points done: 1- A screen with three tabs: Tab 1: This tab request a json file from backend server, transfer the data into switches and switches with a slider based on the data received. When clicked, an HTTP GET request will be sent to the backend server. Tab 2: That same json file contains different data. Here we want a switch, few buttons "cool

    $1764 (Avg Bid)
    $1764 平均报价
    19 竞标

    ...Briefly It will be a web interface to view, manage and reset devices. Data would pass in a store and forward mechanism where the server shall house archives of data and forward real time telemetry data to our core server. The time line we are looking at is to achieve this in the next 55-60 days. The hardware prototypes are under trials currently with

    $12609 (Avg Bid)
    $12609 平均报价
    6 竞标
    tcp server for teltonika GPS 2 日 left
    已验证

    Hi, im looking to develop a high end TCP server for teltonika GPS. Some functions that it need to have: - Java code - Threads - Multiple devices conected - Mysql Connection - Parse, decode Teltonika GPS Data - Run on Ubuntu - Send data to GPS AVL device Regards

    $1858 (Avg Bid)
    $1858 平均报价
    6 竞标
    custom TCP Server 18 小时 left

    This is a TCP Server , you can use java, netty. The functions is: 1.Server can read data from Clients with different data definitions [login to view URL] protocols need a start marker, end marker, data separator [login to view URL] example, "#1.1,2.2#" starts from "#" and ends with "#", data separate with "," , so the data is 1.2 ...

    $259 (Avg Bid)
    $259 平均报价
    4 竞标

    Must show all the clients in datagridview with real time status of their connection by...clients in datagridview with real time status of their connection by requesting the date/time every x seconds from the server.(and keep the clients connected until network error occurred). This is a prototype.(client and the server are running on the same machine)

    $219 (Avg Bid)
    $219 平均报价
    10 竞标

    ...SERVICE 22/tcp open ssh 139/tcp open netbios-ssn 443/tcp open https 445/tcp open microsoft-ds 465/tcp filtered smtps 631/tcp open ipp 995/tcp filtered pop3s 1025/tcp filtered NFS-or-IIS 3306/tcp open mysql 8080/tcp open http-proxy 8082/tcp open blackice-alerts 8085/...

    $219 (Avg Bid)
    $219 平均报价
    6 竞标

    ...processing • Knowledge of Web debugging tools: DevTools, Charles, Fiddler • Awareness of cross-browser compatibility issues • Good understanding of communication protocols like IP, TCP, HTTPS • Understanding of authentication and authorization practices • Knowledge of Kubernetes, Mesos or other container orchestration platforms • AWS or GCP knowledge • ...

    $361 / hr (Avg Bid)
    $361 / hr 平均报价
    35 竞标

    ...help out on a server-client setup within C# winforms. Preferred with [login to view URL] The basics: 1. The server must be able to handle multiple clients. 2. All clients must be dealt with in a different thread. 3. Reading from and writing to the client must be done async

    $2250 (Avg Bid)
    $2250 平均报价
    19 竞标
    machine control 已经结束 left

    Starting point A client software can talk to a machine through Ethernet. The machine has different sensors loaded which can be addresses with commands. Depending on the model of the machine there are two types of sensors which have to controlled: - Type 1: the sensors have two states: Initialized, running - Type 2: the sensors have three states: intialized

    $9391 (Avg Bid)
    $9391 平均报价
    19 竞标

    Java program of Server-Client TCP/IP socket application with some features. see attached file "[login to view URL]" for a full description. In addition, Server class source file and Client class source file were attached too as a base line to start from.

    $1027 (Avg Bid)
    $1027 平均报价
    8 竞标

    hello every one I want someone know how to use kali virtual machine

    $212 (Avg Bid)
    $212 平均报价
    2 竞标

    we can automate our ho...present or away by implementing this system, it is possible to explore a variety of different engineering challenge, including software programming, PCB design, WI-FI, TCP/IP protocols, web server logic design, and other aspects. This automation system provides great insights into the challenges of software and hardware design

    $86 / hr (Avg Bid)
    $86 / hr 平均报价
    6 竞标

    Hel...Signaling, DSCP 28, source port TCP 5060:5079 Skype for Business Audio, DSCP 46, source port TCP/UDP 50020:50039 Skype for Business Video, DSCP 34, source port TCP/UDP 58000:58019 Skype for Business Application Sharing, DSCP 24, source port TCP/UDP 42000:42019 Skype for Business File Transfer, DSCP 14, source port TCP/UDP 42020:42059 Thank you,

    $204 (Avg Bid)
    $204 平均报价
    7 竞标

    Cannot connect to 8080 remotely, works locally (Tomcat/RHEL 7.5). Can use GoToMeeting. [user@server-p01 ~]$ sudo lsof -i -P|grep :8080 java 2075 tomcat 49u IPv6 26191 0t0 TCP *:8080 (LISTEN) [user@server-p01 ~]$ netstat -anp | grep 8080 (No info could be read for "-p": geteuid()=121972354 but you should be root.) tcp6

    $564 (Avg Bid)
    $564 平均报价
    3 竞标

    Hello, My project is about creating - Small data java loaders tools for clients - Though the use of Talend open studio tools - csv to xml and tcp server - Watches for imcoming files and then converts the data to new types - The finish jar is placed on a linux server and run under a cron

    $674 (Avg Bid)
    $674 平均报价
    4 竞标

    Currently my TCP/SOCKET C++ function sends messages at an interval of 100ms delay between each message. I want to change that to 50 ms / message (with an option to easily configure it when ever I want). The second thing would be, there is 1 specific function that I would like to have 1 ms delay (only for this specific function, the rest should be 50

    $1082 (Avg Bid)
    $1082 平均报价
    11 竞标
    IT Administrator 已经结束 left

    ...relevant certification - Hands on experience of installing IT software or updating/upgrading systems to latest version - Good knowledge of network concepts, protocols (DHCP, TCP etc..), routing and firewalls - Exercise security best-practices and monitor the servers - Should attend daily standup meeting over Skype call in morning - Good oral and written

    $63 / hr (Avg Bid)
    $63 / hr 平均报价
    20 竞标

    Packets ...payload, or 'real' where the payload is generated from some buffer. I want to create a custom application (client/server) to read a file to a buffer, generate packets from that buffer, send them using TCP or UDP sockets, and then at the server side read the buffers, append the content to a buffer and hence reconstructing the original file.

    $4327 (Avg Bid)
    $4327 平均报价
    11 竞标

    Remove 100 ms delay from code - TCP connection c++

    $1016 (Avg Bid)
    $1016 平均报价
    20 竞标

    Hi all! I have a XMPP (Jabber) service, hosted in a cloud server (with Debian 9 and public IP), and a simple chat software for Windows created with Delphi (7 / XE3). Chat users can already send/receive small files (KB) using in-band transfer (client1<->server<->client2), but this is slow and not efficient at all. I'd like to allow users to share bigger

    $4351 (Avg Bid)
    $4351 平均报价
    3 竞标

    I have a Linux Multi thread TCP server which works but after a while does not accept new clients. I cannot find what is causing the problem. I need someone with experience in sockets and multi threading to stop it from failing. I have the server software in a codeblox project and a windows C# client to exercise the server

    $784 (Avg Bid)
    $784 平均报价
    21 竞标

    I have a small project for VB.NET developers who have good knowledge of TCP/IP UDP multi-threading application using SQL server database. Its one form application and very simple , set , get record by client to database through server exe. multiple client use form to insert and get record.

    $439 (Avg Bid)
    $439 平均报价
    14 竞标
    IT Support Engineer 已经结束 left

    ...desktop support with projects. WHAT YOU WILL NEED: The foremost quality for this position or any position at Blockchain is integrity. Security awareness. Basic knowledge of TCP/IP, networking, routing, firewalls. Superb fire-fighting and problem solving abilities. Confident, outgoing and whatever-it-takes attitude. COMPENSATION & PERKS: Accessible

    $345 / hr (Avg Bid)
    $345 / hr 平均报价
    53 竞标