vpn

SQL Server VPN Replication

Hi, I have a requirement to use Sql replication from a sql server 2005 instance to a Sql 2000 instance over a vpn. The vpn is permanent between the 2 sites and there are only a few tables that need replicated. Can anyone give me any advantages/disadvantages of replication over vpn or any issues with replication between SQL 2005 and Sq...

VPN Client Subnet Issues - Hopefully simple for someone who knows how!

Hi Everyone. I'm trying to set up VPN access with using SSTP in my home network. I have a virtual machine with two network adapters. The 'internal' adapter settings are: IP - 192.168.1.7 Sub - 255.255.255.0 DNS - 192.168.1.2 (local dns server) WINS - 192.168.1.2 (local wins server) The 'external' adapter settings are IP - 192.168.1.8...

iPhone - Send VPN traffic for a specific URL

I am building a iPhone web based app for our execs to view sales data. The app goes over SSL with a typical login page that sets a cookie for the day. Since the info is sensitive and we have a VPN at work I was hoping as a double precaution I could send all communications with this app over our VPN. Is there a way I can route traffic ...

VPN with MySQL database for authentication.

I want to set up a VPN server (via IPSec or PPP etc) but I want the authentication to be dealt by MySQL or other RDBMS... does anyone know an opensource project or an easyway to achieve this...? I'm flexible on linux distro, rdbms or vpn protocol... I urgently need a VPN access point that can be managed easily by a webapp. ...

How to Create a Virtual Network Adapter in .NET?

I would like to create/add a virtual network adapter to a client operating system at runtime (via code), preferably in C#. Something similar to that of what VirtualBox/VMware/Himachi creates when you install their software. I am guessing this will require some C/C++ shenanigans for the driver integration, but if it is doable with only C#...

Create a VPN client in C#

I have been looking at different VPNs, and it seems like they don't have great encryption (like the default Windows XP VPN server). I wanted to see if I could create my own, using C#. But I don't know how to create a client that will intercept all of the packets, and forward them to a VPN server. How can I do it? ...

How should I secure a SOA with inter-service communication between data centers?

For my pet project I've decided on a services based architecture (yeah the buzzword SOA) because I can scale each service independent of others, distribute them geographically where they will be used more than other services, etc. The trick is that some of the services need to communicate privately with each other (and publicly with en...

PHP/LDAP Authentication Using a VPN

Hello all, I have an interesting situation, and Google doesn't appear to have any information regarding the issue. I develop a web-based software written in PHP. Most of our clients have some sort of CAS server setup for authentication, and we simply point our site at their authentication server. We have a new client that does not have...

vpn connection and ip problem

i have one application who use to connect to server via VPN. i can put server name or Ip in application to connect to server. If i put IP & Connect to VPN (this work fine except if any other computer on network have same ip(of remote server)application stop). and if i put server name after connecting to VPN, server name is not resolve...

Windows XP VPN Server setup from console

I want to set up a VPN server in windows xp but is there a way to do that from commandline? ...

Options for iPhone app which requires VPN?

I was thinking about creating an iPhone app "front end" for one of our internal systems. I suspect this will need to run via a Cisco VPN (connecting with a key code). What are the options to do this on the iPhone? Do you need to manually connect to a VPN somehow using the iPhone and then start the iPhone app? Or can the app prompt us...

Can the Cisco VPN API be accessed from VBA?

There is an API for Cisco VPN (vpnapi.dll). Is it possible to use this API from VBA code? Thanks! ...

Pyro, Python dns name resolution across subnets

The task is to access/connect-to Pyro objects on computer A (Pyro's name servers are broadcasting both tcp and udp packets on port 9090), from computer B which is across the internets. I made a set of tunnels connecting A & B with autossh on 7766 & 9090 (the ports Pyro uses out of the box) which didn't seem to do the trick. My next thoug...

using a "VPN proxy" from python on linux, possible to do entirely in userspace? (without root privileges)

It is easy to programmatically use http or socks proxies from python in combination with urllib2, without changing system settings, but having looked at both the standard libraries and having searched on google I cannot see a straight forward way to do something similar with a vpn. I cannot change system settings but I could use any exte...

Programatically notify automatically when my VPN Client got disconnected.

I want to notify automatically when my VPN Client got disconnected.If any body knows in bulid method available or I can create an windows application/notifier using VS 2005 c# to receive a notification. Any Ideas? ...

Iphone VPN On Demand, certificate uploaded but not selectable from vpn configuration section.

need to install certificates for VPN access, but when I load a profile by "iPhone Configuration Utility" in the VPN configuration i can not select it. Why? what type of certificate is needed? Regards ...

Programming a VPN, Authontication stage - RFC not clear enough

I have a custom build of a Unix OS. My task: Adding an IPSec to the OS. I am working on Phase I, done sending the first 2 packets. What I am trying to do now is making the Identification Payload. I've been reading RFC 2409 (Apendix B) which discuss the keying materials (SKEYID, SKEYID_d, SKEYID_a, SKEYID_e and the IV making). Now, I ...

Site to Site VPN with Rails

First of I'm very sorry but this questions is not so so specific. All I am looking for is a tutorial or a resource for creating a site-to-site VPN. Actually, I not even sure if that is what I should call it. I live in China and I want to access youtube and stuff. And I don't want to buy a proxy service so I'm trying to make my own VPN o...

Visualforce and VPN

I'm looking to integrate my Salesforce implementation with an external database. I know that in most circumstances I would use Visualforce with an Apex controller/extension to access the data, however the external database will require a VPN connection. Since Visualforce and any controllers or extensions are processed server-side, is the...

Is there a VPN-provider API for Android?

Is there a way to build a VPN 'provider' for Android? A way to add new VPN types to the existing VPN infrastructure? OpenVPN, for instance, though also things like pppoe might fit in this category. ...