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SSH Bouncing-How to Get Through Firewalls
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Contributed by Chad Brandt
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Wednesday, 01 September 2004
Often you'll have firewalls or other network equipment that doesn't allow direct SSH access to machines behind it. Using a bit of trickery, you can get through without seemingly jumping through any hoops.Have you ever been in the situation that you wanted to SSH directly to a machine, but there has been some device in between that prevents it? Say you have a Linux firewall that protects your DMZ, and you have a boatload of machines behind it that you want to manage. There are all sorts of methods that are used to do so, and all have some level of annoyance.
This article goes over a few alternatives
- SSH to intermediate host
- Non-Standard SSH ports
- netcat SSH bounce
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