Click here to get back home

securing mobile users at hotspots

 HomeNewsGroups | Search | About
 microsoft.public.windows.server.security    Post an article   get this group's latest topics as an RSS feed add this group's latest topics to your My MSN content add this group's latest topics to your My Yahoo content
Subject Author Date
securing mobile users at hotspots djc 10-05-2006
Posted by Miha Pihler [MVP] on October 10, 2006, 2:31 pm
Please log in for more thread options
Hi,

If you select "Protect all network connections" it will also raise a
firewall on VPN connection.

All policies apply to all inbound connections regardless of adapter. In
general you could try using IPSelc Filters -- but they can be quite hard to
manage.

--
Mike
Microsoft MVP - Windows Security

> yep yep on the local admin thing. None of my users run with admin
> priveleges.
>
> on the gpo thing. You mentioning being careful about filters between
> client and DC brought up some questions:
> 1) would the windows firewall, by default, also apply to the 'vpn'
> connection?
>
> 2) if the answer to 1 is no, can you make it apply to the vpn connection?
>
> 3) can you configure windows firewall rules seperately for different
> network adapters, including vpn?
>
>
>> Hi,
>>
>> Malware will need administrative privileges to e.g. disable Windows
>> Firewall. As long as your users are local administrators on their
>> computers, malware will be able to do just about anything and it doesn't
>> matter what firewall you install on the computer. So, first step in
>> securing your clients is to make sure that users are not local
>> administrators.
>> Updating Group Policies over VPN depends mostly on VPN configuration and
>> Group Policy settings. If you set it up correctly (be careful about
>> filters between clients and domain controllers) they will be able to
>> update group policy settings over VPN.
>>
>> --
>> Mike
>> Microsoft MVP - Windows Security
>>
>>> Ya, I'm aware of it, but I was under the impression it would not
>>> suffice. Not as robust as third party packages and too easily
>>> manipulated by malicious code. Thats what I'm told anyway. I guess you
>>> disagree with that? Using GPO's is certianly a bonus, but would changes
>>> in GPO's be picked up over VPN?
>>>
>>>> Hi,
>>>>
>>>> I can recommend you a firewall that comes with Windows XP SP2. You can
>>>> even use group policy to configure it.
>>>>
>>>> --
>>>> Mike
>>>> Microsoft MVP - Windows Security
>>>>
>>>>> so far I have only had 'remote' users. By 'remote' I mean I have been
>>>>> in control of the machine they are using *and* the network (home) they
>>>>> are connecting from. I securely configure their home router, I supply
>>>>> them with a company laptop that picks up our group policy before
>>>>> leaving, has our company AV software, and is configured with a VPN
>>>>> connection to our network. After connecting to VPN user's RDP to their
>>>>> desktops.
>>>>>
>>>>> I realize the setup I'm using now would not work for 'mobile' users
>>>>> connecting from public wi-fi hotspots and such since I don't have
>>>>> control of those networks. Is it just a matter of adding a good
>>>>> host-based personal firewall into the mix? (if so, any recommendations
>>>>> on whats currently a good one would be appreciated, it seems to change
>>>>> every time I check)
>>>>>
>>>>> any input on this in general would be greatly appreciated.
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>



Posted by djc on October 12, 2006, 4:07 pm
Please log in for more thread options
ok, thanks

> Hi,
>
> If you select "Protect all network connections" it will also raise a
> firewall on VPN connection.
>
> All policies apply to all inbound connections regardless of adapter. In
> general you could try using IPSelc Filters -- but they can be quite hard
> to manage.
>
> --
> Mike
> Microsoft MVP - Windows Security
>
>> yep yep on the local admin thing. None of my users run with admin
>> priveleges.
>>
>> on the gpo thing. You mentioning being careful about filters between
>> client and DC brought up some questions:
>> 1) would the windows firewall, by default, also apply to the 'vpn'
>> connection?
>>
>> 2) if the answer to 1 is no, can you make it apply to the vpn connection?
>>
>> 3) can you configure windows firewall rules seperately for different
>> network adapters, including vpn?
>>
>>
>>> Hi,
>>>
>>> Malware will need administrative privileges to e.g. disable Windows
>>> Firewall. As long as your users are local administrators on their
>>> computers, malware will be able to do just about anything and it doesn't
>>> matter what firewall you install on the computer. So, first step in
>>> securing your clients is to make sure that users are not local
>>> administrators.
>>> Updating Group Policies over VPN depends mostly on VPN configuration and
>>> Group Policy settings. If you set it up correctly (be careful about
>>> filters between clients and domain controllers) they will be able to
>>> update group policy settings over VPN.
>>>
>>> --
>>> Mike
>>> Microsoft MVP - Windows Security
>>>
>>>> Ya, I'm aware of it, but I was under the impression it would not
>>>> suffice. Not as robust as third party packages and too easily
>>>> manipulated by malicious code. Thats what I'm told anyway. I guess you
>>>> disagree with that? Using GPO's is certianly a bonus, but would changes
>>>> in GPO's be picked up over VPN?
>>>>
>>>>> Hi,
>>>>>
>>>>> I can recommend you a firewall that comes with Windows XP SP2. You can
>>>>> even use group policy to configure it.
>>>>>
>>>>> --
>>>>> Mike
>>>>> Microsoft MVP - Windows Security
>>>>>
>>>>>> so far I have only had 'remote' users. By 'remote' I mean I have been
>>>>>> in control of the machine they are using *and* the network (home)
>>>>>> they are connecting from. I securely configure their home router, I
>>>>>> supply them with a company laptop that picks up our group policy
>>>>>> before leaving, has our company AV software, and is configured with a
>>>>>> VPN connection to our network. After connecting to VPN user's RDP to
>>>>>> their desktops.
>>>>>>
>>>>>> I realize the setup I'm using now would not work for 'mobile' users
>>>>>> connecting from public wi-fi hotspots and such since I don't have
>>>>>> control of those networks. Is it just a matter of adding a good
>>>>>> host-based personal firewall into the mix? (if so, any
>>>>>> recommendations on whats currently a good one would be appreciated,
>>>>>> it seems to change every time I check)
>>>>>>
>>>>>> any input on this in general would be greatly appreciated.
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>



Similar ThreadsPosted
VPN and Mobile 6 June 10, 2008, 8:11 pm
Re: Securing SQL November 29, 2005, 3:27 pm
Securing FTP October 16, 2007, 7:22 pm
Securing IIS IUSER October 17, 2005, 2:18 pm
Securing with templates November 16, 2005, 3:58 am
Securing a DC with firewall? January 26, 2006, 9:36 am
Securing Network January 31, 2008, 10:53 pm
Securing management access? February 16, 2008, 7:52 am
Securing conference rooms November 17, 2008, 10:58 am
Solution for securing VPN/IAS using 2-factor SMS Authentication June 11, 2005, 1:37 pm

Our other projects:

Art Dolls, Fairies and Mermaids - Sunnyfaces.net

Roy's Linux, Programming and Search Engines messages

1-Script XML SitemapXML Sitemap