Having a wify connection issue

Methen · Sep 6, 2016

Hello, Iam having a security issue with my WI-fi when I try to use the default pass word or the psk
option someone hacks in and starts using the WiFi, and if I try using the manual encrypt 64 128 bit option, The laptop will not connect to the internet, id there something else I need to adjust to work on the computer to get it to work with the encrypted option, I running xp pro with sp3

Solandri · Sep 6, 2016

There are three wifi security protocols which were widely used: WEP, WPA, and WPA2. The first two have been compromised and computers have gotten fast enough that WEP keys can be hacked in less than an hour, WPA keys in a matter of days. So you should only be using WPA2. You talk about 64-bit and 128-bit key options. Only WEP supported those key lengths. WPA/WPA2 uses 256-bit keys. So it sounds like you need to either switch your router to WPA2 mode instead of WEP, or upgrade your router to a newer one which supports WPA2-AES.

WPA2 lets you use a TKIP or AES for the pre-shared key (PSK) (there's also an option to allow both, which for security purposes is the same as TKIP). Not all hardware supported AES at the time, so TKIP was added as a way to do it in software. Unfortunately, TKIP has since been compromised. So your router should only be using WPA2 AES. Enterprise or personal doesn't matter, but most people will be using personal since you need a password server of some type if you want to use enterprise.

Windows XP didn't come with WPA2 support. It was added with SP3, but I vaguely recall the implementation being flaky. Also, if your wifi card and router are as old as XP, they might not support AES (or even WPA2 for that matter), or the implementation may be flaky. In that case, there is simply no way to securely use wifi without first upgrading your equipment.

Methen · Sep 6, 2016

Solandri :

There are three wifi security protocols which were widely used: WEP, WPA, and WPA2. The first two have been compromised and computers have gotten fast enough that WEP keys can be hacked in less than an hour, WPA keys in a matter of days. So you should only be using WPA2. You talk about 64-bit and 128-bit key options. Only WEP supported those key lengths. WPA/WPA2 uses 256-bit keys. So it sounds like you need to either switch your router to WPA2 mode instead of WEP, or upgrade your router to a newer one which supports WPA2-AES.

WPA2 lets you use a TKIP or AES for the pre-shared key (PSK) (there's also an option to allow both, which for security purposes is the same as TKIP). Not all hardware supported AES at the time, so TKIP was added as a way to do it in software. Unfortunately, TKIP has since been compromised. So your router should only be using WPA2 AES. Enterprise or personal doesn't matter, but most people will be using personal since you need a password server of some type if you want to use enterprise.

Windows XP didn't come with WPA2 support. It was added with SP3, but I vaguely recall the implementation being flaky. Also, if your wifi card and router are as old as XP, they might not support AES (or even WPA2 for that matter), or the implementation may be flaky. In that case, there is simply no way to securely use wifi without first upgrading your equipment.

Methen · Sep 6, 2016

I have a att verse modem a couple years old, Guess I will be buying a long Ethernet cable then Thanks anyway...

Solandri · Sep 6, 2016

If it's only a couple years old, then it should support WPA2-AES. Look through the wifi security settings on the router.

Your computer's wifi adapter may still be the limiting factor, especially if the equipment came with XP.

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Having a wify connection issue

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