Hi,
"HTTP Tunnel" for Linux and Windows NT is a very good example. With this
kind of tools you can bypass most firewalls without any problems.
There also exists trojans horses that uses port 80 to communicate to the
outside and both upload and download files and I think we will soon be able
to more of this.
And as far as I know there are no single security solution availibale to
prevent this kind of security breach.
Cheers,
Joakim
Joakim von Braun phone +46-(0)709-56 16 42
von Braun Consultants
Kristinehovsgatan 14
SE-117 29 Stockholm, SWEDEN
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