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Can't browse Internet while on VPN

Posted on 2006-06-29
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Last Modified: 2013-11-13
I am the using Mac OS X version 10.4.6 native VPN client to connect to my office's Windows network from home.  I am unable to browse the Internet while I'm on VPN.  I've read many articles and discussion boards that say our System Administrator needs to enable this option.  But, it has been done.  All our Windows users can browse the Internet while on VPN.  So I think it must be working, right?  I used to be able to also, but it just stopped working on it's own.

I only need VPN to use Remote Desktop for Mac and Entourage.  I've tried un-checking the option "send all traffic over VPN" in Internet Connect. All that does for me is make everything stop connecting.  

Is there any other way to make this work?

Thanks,
Deborah
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Question by:dcostanzo
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Expert Comment

by:VMSZealot
ID: 17018928
You need to get the proxy configuration details for your work network.  When you're on VPN it's like being on the LAN - and the same settings that you need to connect to the LAN from work will be required to connect to the internet from wherever when you're on VPN.

Create a new location for VPN.  Then your choices are to manually enter the details, or use a proxy.pac file in System Preferences -> Network -> Proxies.  You'll also need to bypass proxy settings for a few addresses so that you can connect to VPN in the first place!  I bypass settings for the address of VPN and home (just habit!).

There may be a tidier way of doing this, but it worked fine for me.  If you'd like clarification, drop me a line - and good luck.  If anyone can suggest a neater way, I look forward to hearing it.
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Author Comment

by:dcostanzo
ID: 17161046
Sorry, but I am not sure what you mean by needing the proxy configuration details.  We never have to fill out any proxy information to access our network.
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Expert Comment

by:VMSZealot
ID: 17183451
Back on the case!  Okay, if you have access to a PC that can use the internet, check the proxy settings.  You can do this by selecting launching Microsoft Internet Explorer. From the tools menu, select Internet Options and click on the Connections tab. Click on the LAN Settings button.  From here, you can see if a Proxy PAC file is being used (in which case, copy the address and use it in the network settings for your Mac).  If an IP address appears below that (also check the 'advanced' settings), then that'll be the proxy for HTTP and FTP.  Ask the Sysadmin what settings to use too - although it's sometimes helpful in these situations not to mention that the computer in question is a Mac!
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Author Comment

by:dcostanzo
ID: 17185405
Thanks so much for coming back to me.  I've been very short on time and I did not realize so many days had passed.  Luckily my sysdamin does not see Macs as a problem. He keeps one on hand to troubleshoot problems with me.  However, on his iBook, he can be on VPN and browse the internet at the same time.  We definitely don't use proxy settings or static IPs. IPs are given out dynamically through our DHCP server.

This morning I can browse to www.usatoday.com (albeit slowly) while on VPN, but not www.orbitz.com.  We are having problems with our Cisco PIX router in the office losing connectivity to the internet, so we are wondering if that is also causing my problem some how.  We've scheduled an upgrade in a few weeks, so perhaps I should see if that improves my situation befor troubleshooting this further.

In the meantime, is there anything else on the Mac side I could check out?
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VMSZealot earned 500 total points
ID: 17185531
Okay, I think your Cisco theory holds considerable promise.  In the meantime, check that your network settings are comparible to the iBook (I assume you've already done that and they are).  If that doesn't help, then there is one last thing you can try.  Create a new user account on your Mac (Apple Menu -> System Preferences -> Accounts, unlock the settings (if they're locked) and click the + button to create a new account).  It doesn't matter what you call it - you'll be deleting it soon enough anyway!  Now log in with your new account and see if you can connect okay.  If you can't, then I'll have a further think about it - especially after you get your new router.  Head scratching will be involved!  If you can, come back to me for further assistance.

And don't apologise for being short on time.  I totally understand!
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Author Comment

by:dcostanzo
ID: 17403996
Hello,

We completed our upgrade of the Cisco PIX last week, but I ahven't seen any changes in my ability to browse internet while on VPN.  Is there anything else I can check?
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