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Date:      Tue, 11 Nov 2014 11:44:20 +0700
From:      Olivier Nicole <>
To:        Martin Hanson <>
Cc:        FreeBSD Questions Mailing List <>
Subject:   Re: Captive portal with forced IP?
Message-ID:  <>
In-Reply-To: <>
References:  <>

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Hi Martin,

> Does there exist something which requires users to login, but at the same time forces a specific IP to their account?
> So if they spoof their mac/ip they cannot login using their normal credentials - they get logged out and looses access?
> In this case a user would not only be required to login with his credentials before he can access the network, but his box would also be bound to a specific IP and MAC, which then would have some restrictions due to the firewall.

Instead of forcing a fixed IP, I would look for some captive
portal+firewall that creates dynamic filtering rules depending on the

- the user's machine gets on the network and acquire a dynamic IP
- the user connects to the captive portal
- the firewall updates the filtering rules for the IP being used by the user

That would be more flexible.

Best regards,


> I know this is not 100% FreeBSD specific, but I want this to run on FreeBSD and are wondering how others perhaps are doing it.
> Thanks and kind regards!
> Martin
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