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...create such tunnels. Examples would be 'socat' or combinations of the openssl "demo" executable together with the tcp-redirection capabilities of certain shells, e.g. bash /dev/tcp/hostname/4711. Generally I think the problem of data exfiltration is unsolvable given sufficiently knowledable users and general-purpose software. One will always forget to plug one hole and to blacklist one more approach. Ciao, Alexander Wuerstlein.

Are there any known resources available in the Dallas area for a one day, one-on-one training in Ruby? The user is a professed novice, but has done a bit a ROR development, mostly examples in the Agile book. We need a person who is knowledable, and doesn''t mind teaching a newbie. We need to know the availability and the cost... -- Posted via http://www.ruby-forum.com/.

Not sure where to ask this, I've been googling and not finding much that is helpful. At work I've got a multi-threaded program targeted at Linux. It compiles on RHEL 2.1 and 3, and is targeted at 2.1, 3, and 4. UP until today, the binary built on 3 has worked fine on 4. But on RHEL4 update 4 it dies a horrible death in pthread_create. I have reproduced the problem on Centos 4.4, where I

Good day! A few weeks ago, we had a security breach in the company I'm working for, because employees used "ssh -R" to expose systems from our internal network to some SSH server in the outer world. Of course, this is a breach of our internal security policy, but lead us to wonder, whether there is a technical solution to prevent our users from creating SSH-reverse-tunnels. After

...t' or combinations > > of the openssl "demo" executable together with the tcp-redirection > > capabilities of certain shells, e.g. bash /dev/tcp/hostname/4711. > > > > Generally I think the problem of data exfiltration is unsolvable given > > sufficiently knowledable users and general-purpose software. One will > > always forget to plug one hole and to blacklist one more approach. > > From the original description: the security breach occurred because > tunnels arae permitted by the daemon, and the users misused those > privileges. These admi...