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Linux Based Server Application

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The maximum budget for this project is $4,500.

The aim is to set up is secure private electronic mail service that clients can connect to and send each other messages and files as attachments. The system is a secure, direct delivery or store till collected electronic mail system. Messages are sent directly to the recipient's designated mailbox. When the destination mailbox server, WIMS is unavailable or off-line, multiple Linux servers act as backup hosts (BH) for each mailbox. The Linux based server application (this project) will run on different systems to provide a network of servers that will collectively provide backup support for all mailboxes.

Within the group of Linux servers, one will be nominated as the master / index server (IS) and will provide additional functionality including support for a secure web-portal via an API.

This project is to develop the Linux server functionality. Other components will be developed separately. Overall project description and further details will be provided to suitable bidders.

Some of the features required include:

. Admin panel.

. Initially support 32-bit Linux OS but must be scalable to 64-bit Linux OS.

. Support for high volume of concurrent connections (20k+).

. All connections are secure (SSL / TLS).

. User account and partnerships details are automatically distributed / shared between all BH servers.

. Security Keys (PKI). Create and manage security keys for individual servers that are part of service network and for special service related functions.

Support for Secure Web-portal (HTTPS):

. Create and manage user login accounts (IS).

. Create, register and manage private Domains and sub-domains (not issued by Nominet, Internic or any domain registrar) (IS).

. Manage and maintain user transactions (save payments related details, record payment transactions etc..) on IS.

. Product pricing for a small list of products (20 approximately) (IS).

. Payment Gateway including automated ability to take money from user credit card when payments for services are due (IS).

. Create and manage mailbox accounts (email addresses) on free or registered domains (IS). New account details are sent to all backup servers.

. Domain & mailbox assignment. When new domains are created they are assigned (based on set criteria) to two or more Linux servers, which act as the mailbox backup host servers.

. Create and manage mailbox account details (profiles).

. Manage potential partner lists for each account (users will upload their contacts details from personal address books to see if they are also using this service).

. Manage user templates. The web-portal will be based on a templating engine and users may define / associate different templates with their accounts.

. Manage promotion agent details and commission earned on service sales.

Support for WIMS (Destination Mailbox Server):

. Handle and manage secure account logins (inbound connections).

. Time synchronisation. All servers time is synchronised to GMT and WIMS will get their date and time from the Linux servers.

. Register WIMS, cache last connection details.

. Send, receive and manage partnerships between accounts (only established partners can send messages to each other).

. Partnership profiles (account details that are exchanged) uploads / downloads.

. Part or full messages (these may be large, 4GB+ and are sent in small data chunks) may be sent or collected by WIMS, as binary data, for logged in account.

. Authorisations. WIMS must obtain authorisation before it can send a message.

. Support for direct end-to-end TCP/IP connections. Mailbox hosting servers try to deliver mail directly to the WIMS. To allow this direct connection through firewalls, support will be required for UDP hole punching or something better.

. Download system files. System files (e.g. application software updates, details of network Linux servers and other service related files etc..).

Support for Linux Server - Linux Server:

. Copy / backup data between servers, over secure connections, for backup / safeguarding.

. Account details queries. Any mailbox backup-hosting servers may query the service index server about mailbox account details.

At the end:

. You will provide all source code and full documentation.

. Intellectual property passes to me.

Payment in milestones.

Habilidades: Programación en C#, Java, Linux, Perl

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Información del empleador:
( 22 comentarios ) ROTHERHAM, United Kingdom

ID de proyecto: #505937

24 los freelancers están ofertando un promedio de $4763 para este trabajo.

technosystem

As per our discussion.

$15000 USD en 60 días
(6 comentarios)
7.6
clearware

Hi there, we are a team of experienced professionals. ClearWare Ltd is a Bulgarian software developing company, which is focused on creating of custom-made software projects and system administration. We have big exp Más

$4500 USD en 40 días
(2 comentarios)
5.1
sah2ed

Hi Bob, I'm interested in working on this. Cheers

$4500 USD en 60 días
(23 comentarios)
4.9
freeskySoft

Hi. Plz reply me via PMB. Thank you!

$3000 USD en 30 días
(10 comentarios)
3.4
AThaker

Hi, Please check PMB for details. Thanks, Alok

$4350 USD en 30 días
(4 comentarios)
2.8
CDNProjects

Please check PMB for details. Thanks and Regards Anupama CDN Software solutions pvt. Ltd.

$4500 USD en 50 días
(1 comentario)
2.5
click4solution

Hi, We are confident enough to do your project. Please check PMB for further informations which may make you feel about our suitability towards the project. Thanks.

$4300 USD en 60 días
(2 comentarios)
2.5
Core100

Hi, i am very interested to work on this project and can start immediately, please check pmb for the height of experience and quality of work. Regards, Tarun

$5000 USD en 60 días
(1 comentario)
2.0
sisoft

Please check PM

$4500 USD en 45 días
(0 comentarios)
0.0
ppnair

please let me know your requirement briefly

$4500 USD en 30 días
(0 comentarios)
0.0
rootzuro

Sir, We are a group of engineers(electronics & communicatio, embeded system, linux network administration). We clarified about your need your add. We can provide you the project as in the form you like in correct Más

$6560 USD en 38 días
(0 comentarios)
0.0
GArlington

If I understand your requirements correctly what you are asking for is load balancer/servers manager/users manager here. This looks like a considerably more complex system than one can be developed on $4500 budget (thi Más

$15000 USD en 60 días
(0 comentarios)
0.0
yavdoshenko

i can make this project.

$4000 USD en 45 días
(0 comentarios)
0.0
Lehel

My forte is in client/server network programming so this isn't a problem.

$3900 USD en 15 días
(0 comentarios)
0.0
TekKraft

TekKraft is a Technology Services company. We provide technology consultancy services and solutions in the fields of consumer electronics, industrial electronics and web technologies. Our expertise in convergence of Más

$4500 USD en 40 días
(0 comentarios)
0.0
Bolatan

i am a opensource linux advocate, i can do the job, i have experience with dns, web, dhcp, proxy servers

$4000 USD en 8 días
(0 comentarios)
0.0
sushantbharti

Request you to view PMB

$4500 USD en 45 días
(0 comentarios)
0.0
rkcinfotech

At RKC, we provide a full range of Software Development & Web Application Development services. We specialize in customized business solutions, standard and enterprise level application development, and web-enabling ap Más

$4500 USD en 0 días
(0 comentarios)
0.0
sergsoft

Please see PMB

$4000 USD en 45 días
(1 comentario)
0.0
AtlantaWeb

Hi, We are Atlanta based Web Development Firm and interested in your project. we can offer a quality product with 100% [url removed, login to view] check your PMB for more details.

$4000 USD en 30 días
(0 comentarios)
0.0