[stunnel-users] Slow connection to remote stunnel

Michal Trojnara Michal.Trojnara at mirt.net
Tue May 31 16:52:40 CEST 2011

Hi Thorsten,

I guess it's due to a bug (by design, of course) in Microsoft
implementation of SSL.
    TIMEOUTclose = 0 
to your stunnel.conf and restart stunnel.

Less likely this could be due to DNS checks in your /etc/hosts.allow
and/or /etc/hosts.deny.
Disable libwrap support with:
    libwrap = no


On Sat, 28 May 2011 22:43:43 +0200, Thorsten Kampe
<thorsten at thorstenkampe.de> wrote:
> Hi,
> I'm using stunnel 4.36 on Linux to secure Samba SWAT. When I connect 
> directly to the remot stunnel port with my browser on Windows 7 
> (https://swat-server:stunnel-port), I get a long delay after entering my

> credentials (about 60 seconds or so). This seems to be known issue (for 
> instance see "You will be prompted for the Linux root user username and 
> password. There will be a delay of about 60 to 75 seconds with each 
> login."[1].)
> I did a Wireshark trace and it seems that the server simply does not 
> respond during that time.
> But when I connect to the local stunnel client 
> (http://localhost:stunnel-port), the SWAT page displays immediately.
> Is that "normal". How can I get the same speed without a stunnel client?
> Thorsten
> [1] <http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:
> _Ch10_:_Windows,_Linux,_and_Samba#Test_The_Secure_SWAT_Login>
> _______________________________________________
> stunnel-users mailing list
> stunnel-users at stunnel.org
> http://stunnel.mirt.net/mailman/listinfo/stunnel-users

More information about the stunnel-users mailing list