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Wireless problem

By engsoft ·
My users can connect with their laptops on our wired connection. When they go on the road and try to connect via wireless in hotels/airports etc the wireless connection connects, gives them a local IP address etc. yet they are unable to get any webpages to load. I've even had them try to use the IP addresses of websites (in case it was a DNS issue) with no luck.

Any ideas on this one would be appreciated.

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Free Wifi vs free internet?

by Slayer_ In reply to Wireless problem

Are you sure they are connecting to places with internet access, they could just be connecting to open wireless, or even other peoples laptops, or even hackers.

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Airport

by engsoft In reply to Free Wifi vs free interne ...

One user this morning was connected to the Wireless in the Airport Lounge before catching their flight.

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Do you use a proxy server at the office?

by robo_dev In reply to Wireless problem

What personal firewall software are they using?

Have you tested a WLAN connection locally? (e.g. plugging an Access Point into your wired network)

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Re:Do you use a proxy server at the office?

by engsoft In reply to Do you use a proxy server ...

No proxy in the office. Have not added a wireless access point however I setup a separate wireless router (on it's own static IP from my ISP) and was able to connect one of the trouble laptops to it.

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Many WiFi hotspots are captive portals

by robo_dev In reply to Re:Do you use a proxy ser ...

meaning that the PC will not work unless the web browser is redirected to a login page.

If the PC security settings do not allow this to happen, the user cannot connect.

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Yup

by AnsuGisalas In reply to Many WiFi hotspots are ca ...

And many login pages are surprisingly cranky.
I had one free university wifi login page mysteriously fail to do it's thing. Result - no logon.

It can be as simple as blocking pop-ups.

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Re: Many WiFi hotspots are captive portals

by engsoft In reply to Many WiFi hotspots are ca ...

How can I check that specifically?
Is there a GPO to manage it?

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Not sure how to test that, other than going to a captive portal

by robo_dev In reply to Re: Many WiFi hotspots ar ...

the good news/ bad news is that captive portals work like a browser-hijack virus, in that the server hijacks DNS and sometimes even uses an ActiveX control to do it's bidding.

The way to make it work would be to loosen up the security settings on the browser, which is obviously a bad idea.

http://en.wikipedia.org/wiki/Captive_portal

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Time to hit a wifi spot

by rjluvkc In reply to Wireless problem

Take one of those laptops and go try it yourself from a wifi spot, whether at home or a starbucks. See if you can troubleshoot it there.

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Re:Time to hit a wifi spot

by engsoft In reply to Time to hit a wifi spot

That's the oddity of this problem. For the user I have traveling currently having the problem I tested the laptop on my test wireless router (on a different IP from my ISP)
and it connected just fine.
Once he got to the airport and tried it it shows that the wireless is connected but he can't load any webpages in IE or Firefox.

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