by preneco (2 Submissions)
Category: Complete Applications
Compatability: Visual Basic 5.0
Difficulty: Advanced
Date Added: Wed 3rd February 2021
Rating: 
(18 Votes)
Complete proxy solution(source,docs) 1 connection to the internet and even more pc's in your lan that want to connect,too?: 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 (uses settings from system), dyndns updater and many many more (full details see below) techniques used: winsock.ocx, crypto api, msxml, Java, rasapi,
ip-blocking,iphelper-api, 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. This project is just in alpha release phase, but if you are interested in proxy programming send your feedback and vote.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.
-->service under 9x/Me/Nt/XP/2k
see Documentation at website...
VBcoders
Download new
Release Stable V05
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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