EFW Support

Support => EFW SMTP, HTTP, SIP, FTP Proxy Support => Topic started by: mundadashri on Friday 07 May 2010, 05:12:48 pm



Title: Skype keeps reconnecting
Post by: mundadashri on Friday 07 May 2010, 05:12:48 pm
I am facing an issue with Endian Firewall 2.3 + Latest Skype + Authenticated Proxy
Skype keeps reconnecting after every some time.
It is irritating as the users see me offline and then  every few minutes.

Is it related to proxy session timeout or something ?

Please help ...

- Shri Mundada
the Open Source World - theOSW.com


Title: Re: Skype keeps reconnecting
Post by: mundadashri on Monday 17 May 2010, 03:54:07 pm
Guys I am still not able to get this issue resolved.
Can somebody please help me with this ?

I am not able to understand the reason for this.
Please help people...


Title: Re: Skype keeps reconnecting
Post by: mundadashri on Wednesday 26 May 2010, 08:09:52 pm
Guys still not able to get this working.

Can anybody help me with the server name or IP for Skype registration server ?
I will add exception for that in my firewall and see if it solves the issue.


Title: Re: Skype keeps reconnecting
Post by: Di4bLo on Friday 28 May 2010, 11:10:20 pm
I have the same problem. I'm working on it....


Title: Re: Skype keeps reconnecting
Post by: mundadashri on Monday 31 May 2010, 08:49:41 pm
Hi Di4bLo,

Please keep me updated about this.
Let me know if you find any solution.

Thanks.


Title: Re: Skype keeps reconnecting
Post by: The_Librarian on Tuesday 01 June 2010, 05:59:53 pm
Not using Endian at the moment, but familiar with Smoothwall.

Open any outgoing port, eg 45000, and allow for bidirectional traffic on that port.

In Skype (v4.0.0.x) go to Tools - Options - Advanced - Connection

In the first block, where it says "Use port xxxx for incoming connections", change that value to 45000 and see if that will help.

Leave the rest of the settings as is.

HTH

Libs


Title: Re: Skype keeps reconnecting
Post by: mrkroket on Friday 04 June 2010, 02:22:11 am
Not using Endian at the moment, but familiar with Smoothwall.

Open any outgoing port, eg 45000, and allow for bidirectional traffic on that port.

In Skype (v4.0.0.x) go to Tools - Options - Advanced - Connection

In the first block, where it says "Use port xxxx for incoming connections", change that value to 45000 and see if that will help.

Leave the rest of the settings as is.

HTH

Libs
Yes... and no. Skype lets you choose an incoming port, but this cannot be used as a rule in endian. Endian doesn't let you create rules by incoming port, only by outgoing.
I made a change to allow rules by incoming port, but this means tweaking the EFW (so its not vanilla anymore).

Maybe you can try to enable ports 80 & 443 in Skype, also try to log the traffic and check what packets are being blocked for the computer with the Skype.

Skype is a hell for Firewalls. You cannot exactly allow it nor deny it (as MSN Messenger for example), it uses P2P theory and bad practices to connect (UDP hole punching, trasversal NAT, etc... see this old paper http://www1.cs.columbia.edu/~library/TR-repository/reports/reports-2004/cucs-039-04.pdf (http://www1.cs.columbia.edu/~library/TR-repository/reports/reports-2004/cucs-039-04.pdf)).
So it forces you to create bad rules in the firewall.


Title: Re: Skype keeps reconnecting
Post by: mithun on Friday 04 June 2010, 07:33:10 pm
I had the very same issue on my EFW2.3. It got resolved when i unchecked "Enable uPnP" under tools>> opions>>advanced>>connection.

Try this and hope it helps


Title: Re: Skype keeps reconnecting
Post by: The_Librarian on Monday 14 June 2010, 09:08:41 pm
Yes... and no. Skype lets you choose an incoming port, but this cannot be used as a rule in endian. Endian doesn't let you create rules by incoming port, only by outgoing.
I made a change to allow rules by incoming port, but this means tweaking the EFW (so its not vanilla anymore).

Maybe you can try to enable ports 80 & 443 in Skype, also try to log the traffic and check what packets are being blocked for the computer with the Skype.

Skype is a hell for Firewalls. You cannot exactly allow it nor deny it (as MSN Messenger for example), it uses P2P theory and bad practices to connect (UDP hole punching, trasversal NAT, etc...

So it forces you to create bad rules in the firewall.


Ah, interesting, thanks.

Skype is something totally different.

Regards

Libs


Title: Re: Skype keeps reconnecting
Post by: The_Librarian on Monday 14 June 2010, 09:12:58 pm
double posting.

lovely.


Title: Re: Skype keeps reconnecting
Post by: maximus007 on Friday 02 July 2010, 04:39:56 pm
Having the same problems here. Can't stay on a phone call for more than 3 mins at a time.


Title: Re: Skype keeps reconnecting
Post by: chutawat on Thursday 09 December 2010, 07:33:07 pm
It happen with me also.


Title: Re: Skype keeps reconnecting
Post by: janik.fdo on Monday 29 August 2011, 07:45:34 pm
Hi, I'm new to Endian and I'm currently running version 2.4.1 (Just switched from Microsoft ISA 2006)

I'm having the same issue where Skype users keep getting disconnected and then automatically connects again.

Have any of you got a solution to this problem?? Please help out cos we really need Skype working properly ASAP..

Thanks..