Re: Help! TOO MANYlocalhost:loopback connections, slow performance.

2004-08-24 Thread Alexander Gottwald
On Tue, 10 Aug 2004, goodwill wrote:

 Hi, I am using Xwin to access my linux machine KDE over a SSH tunnel.
 I ran into a interesting problem.
 Xwin seems to open HUGE amounts of localhost:loopback on many consecutive 
 ports (seem liek the whole tempt port range and more) and I mean like hundreds of
 these loopback connections.
 
 They actually look very strange.
 there are hundreds of these connections doing this
 localhost:4818 connecting to localhost:4819
 localhost:4819 connecting to localhost:4820
 localhost:4820 connecting to localhost:4821
  and so on.
 basically its like they are playing call the next port game.
 
 So my firewall (Agnitium Outpost Pro 2.1.xxx starts to lag my Windows comp.
 Its configured to allow xwin thru, in fact everything necessary is in the
 trusted zone, so it connects and works (lagging though). When I stop the
 firewall everything is ok.
 
 After perusing the cygwin/x mailing lists, I could not find much to help me, 
 short of comments, to remove the firewall.
 Since it is not an option (no way should anyone be running windows with out a 
 firewall even if they are behind a router already like I am).
 
 Why in the world dow xwin need to open so MANY loopback connections 
 in such a way.  
 Is there anyway to fix this?

It is the way the unix system call select is implemented in cygwin. But some
personal firewalls change the semantics how network connections are handled and
the old and unused connection dont get closed. 

There is nothing we can do about it. You could try a different firewall (except
ZoneAlarm 5 which is also known to cause problems) and check if the problem is 
not present.  

bye
ago
-- 
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 http://www.gotti.org   ICQ: 126018723


Help! TOO MANYlocalhost:loopback connections, slow performance.

2004-08-09 Thread goodwill
Hi, I am using Xwin to access my linux machine KDE over a SSH tunnel.
I ran into a interesting problem.
Xwin seems to open HUGE amounts of localhost:loopback on many consecutive 
ports (seem liek the whole tempt port range and more) and I mean like hundreds of
these loopback connections.

They actually look very strange.
there are hundreds of these connections doing this
localhost:4818 connecting to localhost:4819
localhost:4819 connecting to localhost:4820
localhost:4820 connecting to localhost:4821
 and so on.
basically its like they are playing call the next port game.

So my firewall (Agnitium Outpost Pro 2.1.xxx starts to lag my Windows comp.
Its configured to allow xwin thru, in fact everything necessary is in the
trusted zone, so it connects and works (lagging though). When I stop the
firewall everything is ok.

After perusing the cygwin/x mailing lists, I could not find much to help me, 
short of comments, to remove the firewall.
Since it is not an option (no way should anyone be running windows with out a 
firewall even if they are behind a router already like I am).

Why in the world dow xwin need to open so MANY loopback connections 
in such a way.  
Is there anyway to fix this?