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Benefits of changing WAN IP

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Natey2

Regular Contributor
I've had the same WAN IP for quite a while.
I'm not paying for a public static IP address and don't need one.
Would trying to get a new WAN IP occasionally be a good security move?

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Not in my opinion. Unless for some reason you think your particular IP address is being targeted.
 
I have been using Spectrum / Charter for over 10 years. Recently network hardware off and packed away during an apartment renovation for 6 weeks. When I came back, Spectrum gave me the same IP. I keep notes of my current IP, going back over three years. In that time I have only had four different IP addresses assigned for my WAN.

Skynet consistently shows between 150-200 hits per hour, day after day, month after month. I strongly suspect that those running the probes are targeting the Spectrum range of IPs, thinking they have a better chance since most people plug in a router and run it, often set up by the Spectrum installer who installed and activated the line. I've given up trying a different IP, since it is very difficult to impossible to obtain a new one.
 
I've had the same WAN IP for quite a while. I'm not paying for a public static IP address and don't need one. Would trying to get a new WAN IP occasionally be a good security move?
Not in my opinion. Unless for some reason you think your particular IP address is being targeted.
I think I agree with Colin. Use common sense, stay away from scams and porn, use due diligence if/when you change firewall settings.

While I do believe @Butterfly Bones my experience is if I turn off my router/modem when I go on vacation I get a new IP address. Heck, I often get a new one if we have a lightening storm. I'm not sure I see the benefit of a new IP, you might get the address of someone who was very naughty and was targeted?
 
It all depends on your ISP. If you don't pay for a static IP, then you are at their mercy. They may have it set to change every 2 hours or may change every 2 years. It could change on every reboot, or may require the MAC to not be active for weeks before release.

Extremely unlikely a specific IP is being targetted. Even unlikely that a range associated to an ISP is specifically targeted. Most bot attacks target HUGE ranges randomly selected, like class B addresses. Changing your IP isn't likely to have any impact.
 
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It can be a crap shoot as you may end up with IP that is under heavy load. It may take a couple of days to clear out. Cable my not change IP unless you leave your modem down for a whole day. AT&T in the old days would change IP every reboot. Some people change IPs when they get banned doing something so you have to live with the other guys actions. Changing the mac will usually get you a new IP.
 
Just get a new modem?

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Spectrum will not authorize any modem but their own here. I have no separate modem rental fee now, just part of my regular arm & leg package.
 
Spectrum will not authorize any modem but their own here. I have no separate modem rental fee now, just part of my regular arm & leg package.
I'm on Spectrum and use my own white/retail Motorola modem. I was on TWC with this modem before Spectrum acquired them though. The ISP has upgraded the firmware on this modem. Even I can't do that.

Somebody suggested that if they want to destroy your personal modem for any reason, they can remotely increase power level/signal strength or something to some very high level for your modem. Just saying.

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If you own your own modem on Spectrum then you need to make sure it has enough channels or you will see more congestion.

I own a Arris SB8200 which is not officially supported by Spectrum but they un-officially support it.
 
I'm on Spectrum and use my own white/retail Motorola modem.
If you own your own modem on Spectrum then you need to make sure it has enough channels or you will see more congestion.
It must vary by region / city / town. I'm in a small town (40k population) central coastal California, I've asked techs on site, stopped in the retail store, called online support. All say the same, they have no ability to configure for a third party modem. Must be the official corporate BS, probably.

They only offer 100 MB coax service here, and their Arris modem works fine for that.
 
I here all Spectrum will go to 200/10 for basic service at some point. I think they will add more channels at that point.
 
I've had the same WAN IP for quite a while.
I'm not paying for a public static IP address and don't need one.
Would trying to get a new WAN IP occasionally be a good security move?

Not really - but reorienting one's private lan range might be good - most home networks align to 192.168.1.0/24, so once inside, it's almost a default to scan for other station...

And getting inside might be as easy as clicking a link in an email...
 
ISP’s now associate the MAC of the Gateway/Modem to a Sticky IP. You can ask them to give you a new WAN IP if you are getting hammered with DDos or other problems. Doing the Sticky IP per MAC, allows them to better inventory their equipment for the FCC reports they have to file, along with state and municipality authorities.
 

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