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how to develop a pure vb proxy as nt-service |
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| Submitted on: 8/8/2002 11:11:33 AM
By: preneco
Level: Advanced
User Rating:
By 7 Users
Compatibility:
Users have accessed this article 1199 times.
| (About the author) |
| | | NEW RELEASE STABLE V03 OUT NOW
tells you how to build up a proxy server for your little lan: Features are: http-proxy, web-server (php-support,XML-support,dir),socks4/5,smtp relay, telnet-port-mapping, internet-mail support,remote admin via Crypto API, atomic syncer, dyndns updater and many many more (full details see below) techniques used: winsock.ocx, crypto api, msxml, Java, rasapi,
ip-blocking, own secure-socket layer, user-behavior, use as local adblock proxy, auto disconnect auto reconnect, flatrate support, RAS-Manager (also usable without proxy), http-logging and other protocols, fully customizable (YOU can modify the source), web-server for intranet (also usable for anti-virus pattern-files that has to be distributed via lan), collect your anti-virus-pattern-files on connect via ras, set your dynamic dy..dns ip,set online state....
more stable, more config, less errors
the cina proxy is a multifunctional proxy project completly written in vb6. project life time more than 2 years. good combination of techniques and algorithms shown in serveral other projects that have same aims. the project is just a tutorial how to design a smart proxy for your lan. it is not a solution, but it can solve serveral problems that might not sell your firewall. so some of you have given me a short feedback for my last submission: ok, it was bull...! this project is just in alpha release phase, but if you are interested in proxy programming send your feedback and vote. if this project could not been run on your machine please report it - it is developed on a german w2k-os.
please vote and give feedback if this is the tool youa re looking for. it is not NAT or a firewall, but can be used beside ones.
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 Download new
Release Stable V03 Beta
Sorry I couldn't
upload the source up to Pscode.com
so if you want the documentation please visit:
Project Home Page or Source
Code and Installer
Using the Cina
Proxy Server Project
What can you do
with the code?
- it's simple,
this project and it's subprojects are examples what
you can do with the cXPLib Library
- a simple
proxy server (Cina)
- http,https
(SSL,TSL),ftp
- adblocker
(ads, banners, cookies, javascript)
- intelligent
cache
- ftp-gateway
- a web server
- what
is cgi under visual basic
- how
to integrate php cgi module (php.exe)
- how
to integrate java-classes into your server (java.exe)
- xml
support (MSXML4, JAVA XERXES)
- a smtp
server (nslookup dns-server..)
- a SOCKS4
and SOCKS5 Server
- a telnet
gateway
- a multiple
internet mail gateway (POP/IMAP/SMTP per User)
- smartremote
server for user-specific behavior of the proxy (level of ad-block, xml
on/off...) and starting a ras-connection
- flatrate-support
- dynamic
port-forwarding
- dyndns-support
- atomic
time syncher for german time (uhrzeit.org)
- executes
exes on ras-connect (like the silent anti-virus updater of Symantec)
- can shutdown
the server on demand and if it is not longer used
- time management
for ras-behavior
- restriction
and access management per server
- ....
- Tutorial for...
- what can
Winsock.ocx do within a Visual Basic Application
- what can't
Winsock.ocx do and what are problems
- how can
i make up a ras-connection (rasapi32.dll)
- how can
i dis2connect from lan
- how can
i run exes at dial up
- how can
i implement a atomic time sync-er
- how can
i implement a dyndns-updater
- how can
i get the ip-addresses and adapters from my system
- how can
i implement a secure socket (MS Crypto Api 2) and layers
- how can
i implement a winsock-pool that strikes back incoming requests
- how can
i use threads in vb (COM)
- how can
i use System-Tray (Admin/GoOnline)
- how can
i use transparent forms (bitmap regions on forms that are transparent)
- how can
i skin my apps
- how can
i paint on menues
- how can
i make a Server-Application
- how can
i make a Remote Client Agent
- how can
i use zlib zip compression utility 1.1.4
- how can
i use res-files and international ressources
- ....
- some project
files from earlier releases (mail: pop2,imap,smtp with filesystem)
but not supported any more.
- why the GPL?
- some of
my modules contain procs that use algos from other talented
programmers (from planet-sourcecode.com, sourceforge.net, vbip.com)
so i want to give everybody who's interested at hardcore visual basic
the
possibility to check out the code freely.
i think the gpl is a good alternative to freeware or adware.
Also i do not commercially use the compilers and thats the point.
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Other 1 submission(s) by this author
| | | | | Report Bad Submission | | | | | Your Vote! | |
See Voting Log | | | | Other User Comments | 8/8/2002 11:25:11 AM:XasanSoft
Well this seems to be cool., but i dont
have an idea about servers etc..
i
will download this project for
later.....
| 8/8/2002 2:28:55 PM:John Galanopoulos
5 from although some files seem to be
missing.
| 8/8/2002 2:29:04 PM:John Galanopoulos
5 from me although some files seem to
be missing.
| 8/9/2002 3:51:10 AM:Ozan Yasin Dogan
cXPlib, win.tlb
are missing...
But
it looks like a very big project.
I
would like to see it working.
5*
| 8/9/2002 9:29:52 AM:preneco
the missing files are located in the
(\tlb\*.tlb) folder. the cxplib-file
has to be compiled first, references
has to be made up to the *.tlb's and
from the admin and cina.vbp new one to
the cXPlib.dll
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