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SpkyMky

join:2002-05-06
Dayton, OH
reply to wayjac

Re: 2wire 3800HGV-B and Double Firewall

I'm sure that the fvs318 wouldn't be able to support the 16Mb down based on processing power, but it just seemed weird that when I was using it behind the Speedstream 5100 DSL it was a consistent 5Mb and I've read that most people can get up to 8Mb with it.

On ATT configuring the modem... when I called support to see if I was doing something wrong they changed the settings on my 2wire for DMZ+ and router-behind-router notification remotely. Am I missing something?


wayjac
Premium,MVM
join:2001-12-22
Indy
kudos:1
The speed test could be wrong

Sounds like you requested help with configuring the 2wire

SpkyMky

join:2002-05-06
Dayton, OH
I used the att speed test and also the ones on dslreports and got the same results.

And what I did was call Uverse support and asked them if there were known issues with router behind router configurations. I had already tried the r-b-r configuration and event notification before I called and changed it back. During the call they modified the settings, we tried it again, and then they changed it back.

I detect no open ports on the 2wire from the outside, and they all show as stealth. I have run some scenarios in my head on how they are able to configure it remotely and have come up with a few, but I'm just throwing darts in the dark. I'm assuming the way they modify settings is through a very clever method that doesn't involve anything accessible to the internet but is lower level through the connection.


wayjac
Premium,MVM
join:2001-12-22
Indy
kudos:1
said by SpkyMky:

I have run some scenarios in my head on how they are able to configure it remotely and have come up with a few, but I'm just throwing darts in the dark

TR-069 is used to manage the 2wire

SpkyMky

join:2002-05-06
Dayton, OH
Interesting... I'll have to look at TR-069 closer. A cursory glance indicates that the client device is the one that initiates the request. So does the 2wire periodically check an ATT ACS, and if a support person makes changes the modifications are configured then?


wayjac
Premium,MVM
join:2001-12-22
Indy
kudos:1
said by SpkyMky:

A cursory glance indicates that the client device is the one that initiates the request

TR-069 has been around since 2004
said by SpkyMky:

So does the 2wire periodically check an ATT ACS

There are messages in the 2wire logs that show that traffic
said by SpkyMky:

if a support person makes changes the modifications are configured then?

There are other ways for a support agent to modify the modems comfiguration

SpkyMky

join:2002-05-06
Dayton, OH
Thanks for your help wayjac. I'd love to know the real details of all ways that lead into the 2wire (for peace of mind) but I understand that you may have to be vague for very good reasons.


wayjac
Premium,MVM
join:2001-12-22
Indy
kudos:1
said by SpkyMky:

I understand that you may have to be vague for very good reasons

Most any modem or router has a way for it to be configured remotely via the internet

I don't have any association with 2wire but I am a subscriber of att dsl

SpkyMky

join:2002-05-06
Dayton, OH
said by wayjac:

Most any modem or router has a way for it to be configured remotely via the internet

Yes, but I usually see it as an option in the device configuration to enable or disable remote configuration.