I'm not sure what you mean by "opened": I have added subsequent connections
for UDP, port range 0-65535 for all protocols concerning Netmeeting, is that
what you mean?
>
>Do have the UDP ports opened?? That would be my only other thought on the
>issue. If yes, then a step by step would have to be done......i.e. can we
>establish an outbound connection on TCP port whatever....(telnet is a handy
>cheap and dirty tool to do this type of testing)
>
>Paul Eftis
>
>-----Original Message-----
>From: Michiel van der Linden <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
><[EMAIL PROTECTED]>
>Date: Friday, August 20, 1999 7:50 AM
>Subject: RE: [NetMeeting] MS proxy server settings for Netmeeting
>
>
> >
> >Thanks for your reply Paul. It was more reply than I had hoped for ;-). I
> >have added TCP outbound port range 1024-65535 as subsequent connection
>for
> >the 1720 protocol I added earlier. However still no audio and video.
> >
> >I also added this same TCP portrange inbound, also as subsequent
>connection
> >of the 1720 protocol, however i'm not online for the outer world. Am I
> >misinterpreting your suggestions, or could something else be wrong?
> >
> >Regards, Michiel
> >
> >
> >
> >>From: Paul Eftis <[EMAIL PROTECTED]>
> >>Reply-To: [EMAIL PROTECTED]
> >>To: "'[EMAIL PROTECTED]'"
> >><[EMAIL PROTECTED]>
> >>Subject: RE: [NetMeeting] MS proxy server settings for Netmeeting
> >>Date: Wed, 18 Aug 1999 14:36:28 -0400
> >>
> >>You also have to open TCP ports 1024-65535 Outbound (Dynamic) for the
> >>negotiated H.323 Call Control (done as part of the negotiation over port
> >>1720). Although I have seen many concerned thoughts about this aspect
>of
> >>H.323, that it is a "huge security hole", it is not really an issue the
>way
> >>you have it setup (which is the way I recommend) since the ports are
>only
> >>opened for calls/packets initiated from within the network, which does
>not
> >>open you up to external packets being passed into the network (i.e. you
> >>have it setup with reflexive access control).
> >>
> >>I would like to also add a second point concerning the H.323 security
> >>issue:
> >>Even if you opened up TCP ports 1024-65535 Inbound to receive inbound NM
> >>calls,
> >
> >
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