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Pocket PC Forum / End Users / Wireless / November 2004

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WiFi works with ActiveSync but Firewall Must be Off

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Nick Andriash - 27 Nov 2004 07:28 GMT
I'm running ActiveSync 3.7 on an iPAQ 4150 and I finally got the
WiFi/ActiveSync working, but I had to turn Sygate Personal Firewall Pro off
to do it. I don't know why, because I already had Connection Manager and
ActiveSync in my 'Allowed' list, but probably that referred only to outgoing
traffic and not incoming.

Anyone know what I have to do with the Firewall so I can wirelessly sync my
iPAQ without having to turn off my Firewall? I've looked through Sygate's
Options, but don't see anything that refers specifically to incoming
traffic. Mind you I'm obviously not all that conversant with Firewalls.

Signature

   ~Nick Andriash~
Creston, B.C. Canada

Bill Crocker - 27 Nov 2004 13:42 GMT
You need to setup a rule in our fire wall, to allow the I/P address of your
PPC, in.  Or, you can do a range of I/P's, for your home network in general.

Something like;  192.168.1.*

Check your manual, or help file, for Sygate.

Bill Crocker

> I'm running ActiveSync 3.7 on an iPAQ 4150 and I finally got the
> WiFi/ActiveSync working, but I had to turn Sygate Personal Firewall Pro
[quoted text clipped - 7 lines]
> incoming traffic. Mind you I'm obviously not all that conversant with
> Firewalls.
Sven, MVP-Mobile Devices - 27 Nov 2004 15:38 GMT
You might have a port issue on your firewall too. From the Microsoft KB
article 259369
ActiveSync requires the following Winsock Transmission Control Protocols
(TCP) to be available: . 990
     . 999
     . 5678
     . 5679
If socket port filtering occurs on any of these Winsock ports, ActiveSync
does not synchronize with Windows CE-based devices

Signature

Sven, MS-MVP  Mobile Devices

> You need to setup a rule in our fire wall, to allow the I/P address of your
> PPC, in.  Or, you can do a range of I/P's, for your home network in general.
[quoted text clipped - 16 lines]
> > incoming traffic. Mind you I'm obviously not all that conversant with
> > Firewalls.
Nick Andriash - 27 Nov 2004 17:06 GMT
> You might have a port issue on your firewall too.

>> You need to setup a rule in our fire wall, to allow the I/P address of
>> your PPC, in.  Or, you can do a range of I/P's, for your home network in
>> general.

Hmmm? I've tried everything both of you suggested, and still Sygate must be
blocking something that ActiveSync requires, because ActiveSync tries for
about 10 seconds and then reports it cannot connect. With the Firewall off,
it connects instantly, so I must be doing something wrong.

I am going to have to find someone with more knowledge of this issue than me
to resolve it.

Thanks for your help.

Nick
Sven, MVP-Mobile Devices - 28 Nov 2004 02:44 GMT
Is there a spot in there that lets you declare specific networks as OK? When
AS connects via USB it sets up a little network with the PPC being
192.168.55.101 and the PC having a virtual IP of 192.168.55.100. Can you set
the firewall to allow the 192.168.55.x network?

Signature

Sven, MS-MVP  Mobile Devices

>
> > You might have a port issue on your firewall too.
[quoted text clipped - 14 lines]
>
> Nick
Tim Nicholson - 28 Nov 2004 04:21 GMT
Does this page or any of Chris' related pages help you? I know he covers
this specific topic as well as issues introduced by Windows SP2 and a host
of other hairy issues.

http://www.cewindows.net/faqs/activesync/firewallproxy.htm

Signature

Tim Nicholson
tim@pdainfosource.com
Check out our MobileWeb Site Index at http://mobileweb.pdainfosource.com

> Is there a spot in there that lets you declare specific networks as OK?
> When
[quoted text clipped - 24 lines]
>>
>> Nick
T.A.Austin - 28 Nov 2004 18:33 GMT
EXACT same problem with my setup.  (Norton Internet Security)

Sync with firewall down goes just fine.  Raise the firewall and BAM, no
connection at all.

From inside NIS firewall configuration I placed the PPCs IP address in the
'Trusted Zone' and all went fine.

Read the Sygate manual and find how they are identifying certain IP
addresses or ranges of addresses as Safe.  It's there somewhere, I fell
sure.

Terry

> I'm running ActiveSync 3.7 on an iPAQ 4150 and I finally got the
> WiFi/ActiveSync working, but I had to turn Sygate Personal Firewall Pro
[quoted text clipped - 7 lines]
> incoming traffic. Mind you I'm obviously not all that conversant with
> Firewalls.
Sooner Al - 28 Nov 2004 19:22 GMT
Terry,

Maybe this page will help with NIS...

http://www.cewindows.net/faqs/symatec-firewall.htm

Signature

   Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the mutual benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no rights...

> EXACT same problem with my setup.  (Norton Internet Security)
>
[quoted text clipped - 16 lines]
>> to turn off my Firewall? I've looked through Sygate's Options, but don't see anything that refers
>> specifically to incoming traffic. Mind you I'm obviously not all that conversant with Firewalls.
 
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