Lab Security Policy: Difference between revisions

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"A secure machine is one that we control and can thus protect." This includes:
"A secure machine is one that we control and can thus protect." This includes:
* The portals  
* The portals  
* Desktops we control in CCBR, BH and GH.  
* Desktops we control in BH and GH.  
* Your laptop, using our own VPN.
* Your laptop, using our own VPN.
* Machines in racks we control.
* Machines in racks we control.
No other machine is assumed secure. This includes other groups' clusters in BH and GH, the QB3 shared cluster, and connections via UCSF's VPN. To access our cluster from these or any other machines we do not treat as secure, you must use a portal or our own VPN.  
No other machine is assumed secure. This includes other groups' clusters in BH and GH, the QB3 shared cluster, and connections via UCSF's VPN. To access our cluster from these or any other machines we do not treat as secure, you must use a portal or our own VPN.


== Rules ==
== Rules ==

Revision as of 03:51, 3 June 2015

No security system is perfect: there is a tradeoff between security and ease of use. We have tried to find a happy medium that lets you do your work in peace without too much hassle. Getting hacked is a big deal, so please read this and be mindful.

Summary

Our security policy can be summarized as follows:

 You can only access our cluster via ssh from a secure machine

What is a secure machine you may ask? Well, ...

"A secure machine is one that we control and can thus protect." This includes:

  • The portals
  • Desktops we control in BH and GH.
  • Your laptop, using our own VPN.
  • Machines in racks we control.

No other machine is assumed secure. This includes other groups' clusters in BH and GH, the QB3 shared cluster, and connections via UCSF's VPN. To access our cluster from these or any other machines we do not treat as secure, you must use a portal or our own VPN.

Rules

Advice

  • Ssh keys must be protected at all times and must never be shared with anyone, even family members or labmates.
  • Use different passwords for your bank, your email, and your cluster access. If one is hacked, the damage is contained.
  • If you have an account on a system that is hacked, please a. tell us you were hacked so we can revoke your ssh key and b. change your password asap if you think it could have been compromised.

Conclusion

  • Misuse of sshkeys is a very serious matter. Please guard your ssh key access as you would your bank account.
  • some people call ssh keys "ssl keys". It is the same thing, and ssl is arguably more correct. Nevermind.

If you have any doubts about appropriate use of ssh keys or passwords, or suggestions about how to improve security, please write the sysadmins.

See Also