This is the mail archive of the
cygwin@cygwin.com
mailing list for the Cygwin project.
Re: Worrying openssh behaviour
On Fri, Aug 29, 2003 at 01:24:28AM +0100, Matt Holgate wrote:
> Hi,
>
> I've had cygwin installed for a while on my Windows XP box and it's been
> great. However, today I installed a personal firewall (Kerio Personal
> Firewall to be exact) and I noticed some worrying behaviour with openssh.
>
> When using the openssh client to connect to my linux box, it correctly
> opened a TCP connection to the server on port 22.
>
> However, it also seemed to open a local socket for listening. On each key
> press, the ssh.exe process seemed to connect to itself, handle the
> keypress and open another socket on a different port to listen again.
>
> This behaviour seems very strange and I was worried in case this might be
> a trojan or something? But it seems weird that it is listening on
> localhost and receiving connections from itself.
That's normal for any Cygwin process using AF_UNIX/AF_LOCAL sockets for
interprocess communication.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Developer mailto:cygwin@cygwin.com
Red Hat, Inc.
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/