Re: problems punching through firewall

From: Jim Smith (jimsmith_at_volcanomail.com)
Date: 09/23/04 

Date: 22 Sep 2004 19:01:44 -0700

in other words, you don't have any freakin idea how to answer my
question, so you thought you'd just boost your post count by being the
Internet cop. Dumbass.

"Samjack" <device@null.com> wrote in message news:<10l3c9g2di1p718@corp.supernews.com>...
> Have you considered asking the authorities in the corporation if they want
> you "punching" through their firewall? If you were in the IT or security
> group you wouldn't have to do this. Depending on the company you could be
> violating the law if it is covered by Hipaa or banking regulations etc.
>
>
> "Jim Smith" <jimsmith@volcanomail.com> wrote in message
> news:8b7d8c31.0409220506.48640234@posting.google.com...
> > Here's my situation:
> >
> > I'm trying to punch through a corporate firewall, on port 443. I'm
> > running CYGWIN. I've tried OpenSSH 3.8.1p1. There is an HTTP Proxy.
> > I'm using the Proxycommand along with the proper arguments. I've tried
> > connect.c, corkscrew and proxytunnel.
> >
> > I can get a successful handshake with the proxy server (I get the
> > connection established). But I get an immediate FIN packet from the
> > sshd. In the sshd logs, I always get "Did not receive identification
> > string from XXX.XXX.XXX.XXX"
> >
> > Here are my questions:
> >
> > 1) Quite possibly the proxy server is somehow disallowing this,
> > although I tend to think not. The reason I think not is, I can use
> > cURL successfully and get this back from a request to
> > https://my.server.address
> >
> > curl: (35) SSL: error:00000000:lib(0):func(0):reason(0)
> >
> > Anyway, how can I tell what http proxy server is being used, to do
> > more research into whether or not it is squashing the request somehow?
> >
> > 2) What exactly is the "identification string" that sshd is expecting
> > and not seeing?
> >
> > Any ideas/pointers/suggestions would be much appreciated. Also, it
> > there is a better newsgroup to post this to, please advise.
> >
> > Also, if more info is needed please advise.
> >
> > Thanks in advance.