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Old October 21st, 2009, 09:07 AM   #1 (permalink)
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Default Wi-fi no-broadcase SSID

I have a D-Link WAP set up for G/N and also set so that it does not broadcase my SSID.

My new Hero is able to connect at work to our WAP (WEP security), but at home it can't find my WAP (WPA security). If I change my setting so that it now broadcasts my SSID it can connect, but what the heck? Why can't it connect if I've input the SSID and WPA code, but the SSID isn't broadcasting?

Thanks for any suggestions.

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Old October 21st, 2009, 10:22 AM   #2 (permalink)
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I have my wireless router so that it doesn't broadcast the SSID, also. I have noticed a bug on my HTC Hero that requires me to go into the wireless settings, and force scan twice for it to detect the prior WLAN setting and connect. I don't use a WEP key for mine, I use MAC address security instead.

I suggest that you initially broadcast your SSID in order for the Hero to "remember" the configuration.

After that, go ahead and disable the SSID broadcast and try force scanning (twice) the WiFi in settings to see if the Hero obtains the IP address.

My apologies if you've already tried this.
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Old October 21st, 2009, 02:16 PM   #3 (permalink)
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I have the same issue and I have already tried Joe's advice.

If I'm not broadcasting my SSID the Hero doesn't even see the phone.
If it's broadcasted I can connect no problem, with WAP, but as soon as I hide it that's it.. no connecting.

Oh and Joe, I'm another San Diego Android fan.
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Old October 21st, 2009, 02:49 PM   #4 (permalink)
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Originally Posted by showson1 View Post
If it's broadcasted I can connect no problem, with WAP, but as soon as I hide it that's it.. no connecting.
Confirmed in the Euro versions too. Look on the bright side - it may stop some misguided souls using a hidden SSID as their sole means of security.
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Old October 22nd, 2009, 04:57 AM   #5 (permalink)
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Quote:
Originally Posted by JoeC View Post
I don't use a WEP key for mine, I use MAC address security instead.
A bit off-topic, but I hope you do realize that with setup like this, anyone can connect. And even if they don't, they can still watch all of your traffic.
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Old October 22nd, 2009, 05:15 AM   #6 (permalink)
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Originally Posted by ticho View Post
I hope you do realize that with setup like this, anyone can connect.
Only if they spoof one of the trusted MAC addresses, which means knowing it in the first place.

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And even if they don't, they can still watch all of your traffic.
A problem with wireless networks in general. Even encrypted traffic is still visible to any NICs running in 'promiscuous mode', and given enough time and processor cycles, can be analysed and 'cracked'.
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Old October 22nd, 2009, 05:53 AM   #7 (permalink)
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Originally Posted by Slug View Post
Only if they spoof one of the trusted MAC addresses, which means knowing it in the first place.
*facepalm*

Which is trivially easy to find out, since any device that wants to talk to your router has to transmit its MAC address, and you havent bothered to encrypt it.

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A problem with wireless networks in general. Even encrypted traffic is still visible to any NICs running in 'promiscuous mode', and given enough time and processor cycles, can be analysed and 'cracked'.
But they still have to go to all of the time to crack your key (and, if youre doing it right by using a strong key it's still a VERY long time).

An analogy for you. Cos i like crap analogies.

Disabling SSID broadcast is like trying to secure your house by taking the house number off of the door, but leaving the actual door open when you go out.

Limiting by MAC address is like trying to secure your house by having a security guard at the wide open door, but that security guard will let anyone enter and leave as long as they wear a name badge with your name written on it. But how do they find out your name? By looking at your name badge as you leave the house one day.

Encrypting traffic is like closing and locking the door. It's not foolproof (nothing is), but a burglar has to be pretty determined to get in. WEP can be cracked pretty quicly these days but if you use WPA-2 that's like having a steel door and bars on the all of the windows. A burglar with a hacksaw and a drill will still get in after a lot of time and hard work but theyre not going to bother unless they know youre keeping huge amounts of cash on the premises.
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Old October 22nd, 2009, 11:42 AM   #8 (permalink)
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Only if they spoof one of the trusted MAC addresses, which means knowing it in the first place.
Quote:
Originally Posted by daveybaby View Post
*facepalm*

Which is trivially easy to find out, since any device that wants to talk to your router has to transmit its MAC address, and you havent bothered to encrypt it.
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Old February 5th, 2010, 02:59 AM   #9 (permalink)
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Quote:
Originally Posted by Slug View Post
Only if they spoof one of the trusted MAC addresses, which means knowing it in the first place.
If I was in range I could get your MAC address in less than a minute. Daveybaby is right and you should use WPA-2. Use it with MAC filtering and a hidden SSID. The more hurdles you give them the less likely they will try to crack it. They will go for the low hanging fruit instead.

Ok, back to the topic of not being able to connect to a hidden SSID. I have the same issue with a CLIQ. I can connect when the SSID is visible, but when its hidden I cannot. Scanning it multiple times doesn't help.

This seems to be a bug. Where do you report bugs? Has anybody found another app or a work around?
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Old February 5th, 2010, 04:56 AM   #10 (permalink)
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Hi, i have the same problem, but it seems to disappear after i installed wifinder : a free wifi finder application... got to test it on several "hidden" SSID networks..but it would be great. And even if i use the classical wifi widget of the hero..not even the wifinder application (but it seems to be a good application ).

Edit : in fact it does not work with the stock wifi application...you have to launch wifinder in order to connect to the network...

Ciao
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Old February 5th, 2010, 01:33 PM   #11 (permalink)
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Quote:
Originally Posted by frederikk View Post
...you have to launch wifinder in order to connect to the network.
Wifinder didn't work for me. I had to enable the SSID broadcast to connect with wifinder. When I disabled the SSID broadcast it still wouldn't connect. It doesn't see the AP. I even rebooted.
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Old February 5th, 2010, 01:49 PM   #12 (permalink)
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First of all, I understand about the SSID and MAC address security. For me, it's secure enough. Why? Anything I use standard port 80 traffic with is of little concern to me, as it would mainly be streaming music, webcam video or general web browsing. If someone really wants to sniff the air to acquire the MAC and spoof it only to catch flying packets of one user's uninteresting session traffic, then he can be my guest.

Anything that I need to provide passwords to, such as banking via web, credit-card transactions, etc., would all be encrypted via SSL. Even if one can decode that traffic, nobody would.

Now, on the main topic, one interesting note is that ever since I rooted my Hero, and loaded MoDaCo ROM 2.9, the issue with the Wi-Fi connection disappeared. I'm not exactly sure why, but if my home connection is the only remembered SSID in the phone, and I activate Wi-Fi, it instantly connects.
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Old February 5th, 2010, 02:23 PM   #13 (permalink)
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Quote:
Originally Posted by JoeC View Post
First of all, I understand about the SSID and MAC address security. For me, it's secure enough. Why? Anything I use standard port 80 traffic with is of little concern to me, as it would mainly be streaming music, webcam video or general web browsing. If someone really wants to sniff the air to acquire the MAC and spoof it only to catch flying packets of one user's uninteresting session traffic, then he can be my guest.
SSL should keep you secure from somebody sniffing your personal information, but it does nothing to stop somebody from using your bandwidth and downloading illegal materials. You are arguing against a 5 minute step to secure your network. We will always find a hole in your argument against security just like the hole in your network. Its your network and you can do with it what you want. We are just trying to help you.
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Old February 5th, 2010, 03:05 PM   #14 (permalink)
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I can appreciate that.

I'm a helper in this thread though, not the helpee
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Old February 5th, 2010, 03:30 PM   #15 (permalink)
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I found a work around that worked for me. It involves installing another app and isn't the optimal solution. This is a confirmed bug and hopefully the next update will fix it.

Quote:
Comment 38 by ian.morris, Nov 04, 2009
@kynancheng "Hidden SSID Enabler from Android Market does not seem to help - says it
cannot find the SSID"

I found I had most luck with that app if I put the SSID name into straight after
entering the wireless network manually. So, try these steps:

1) remove hidden network from the list of remembered networks
2) Download and install Hidden SSID enabler
3) Re-enter the Wireless network details
4) Connect to the network
5) Enter the network name into Hidden SSID enabler

That seemed to fix my problems, hope it's of help to you too.
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Old February 5th, 2010, 03:50 PM   #16 (permalink)
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Default Solution Found!!!

I found a real solution to not being able to connect to a hidden SSID. Try this first.

Check your router mode to see if it is in Auto, B or G only. Then change the mode on your router to B and G. I connected right away.
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Old February 6th, 2010, 08:46 AM   #17 (permalink)
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This thread is a little technical for me but I will ask the question anyway...I have a Linksys WRT54G V.6 router, the Toyota Corolla of routers from what I have seen. My Cliq sees the home network, connects, but the signal is non-functional. The wifi icon shows, but I can't reach a page. My notebook and the GF's Droid see the network and connect no prob. I just updated the firmware, restored factory settings, and currently have all security turned off. It is set to B/G mixed. One thing...the Cliq picked up the network with a strong signal after the reset, but now back to the no-op condition. Any ideas? I really appreciate your thought.
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Old February 8th, 2010, 07:36 AM   #18 (permalink)
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Quote:
Originally Posted by booklikeabook View Post
This thread is a little technical for me but I will ask the question anyway...I have a Linksys WRT54G V.6 router, the Toyota Corolla of routers from what I have seen. My Cliq sees the home network, connects, but the signal is non-functional. The wifi icon shows, but I can't reach a page. My notebook and the GF's Droid see the network and connect no prob. I just updated the firmware, restored factory settings, and currently have all security turned off. It is set to B/G mixed. One thing...the Cliq picked up the network with a strong signal after the reset, but now back to the no-op condition. Any ideas? I really appreciate your thought.
It sounds like you have a different issue than discussed in this thread. We were working on the issue of not being able to connect to a router when the SSID (the wireless signal name) is off and not being broadcasted. Your issue sounds different. I recommend you start a new thread because you will get more responses.
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Old May 27th, 2010, 03:27 PM   #19 (permalink)
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Quote:
Originally Posted by wormser View Post
I found a real solution to not being able to connect to a hidden SSID. Try this first.

Check your router mode to see if it is in Auto, B or G only. Then change the mode on your router to B and G. I connected right away.
Eureka! For anyone using a router similar to my linksys, you wont find a setting for 802.11 b or g or n or whatever, but setting it to 54mbps is the same thing.
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Old November 9th, 2011, 10:25 AM   #20 (permalink)
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Quote:
Originally Posted by wormser View Post
I found a real solution to not being able to connect to a hidden SSID. Try this first.

Check your router mode to see if it is in Auto, B or G only. Then change the mode on your router to B and G. I connected right away.
This worked from me on two different Netgear routers. On my newer router the mode was "up to 54Mbps" (which I suppose means B or G). Thanks for the post!
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