Fedora

Latest revision as of 03:35, 19 December 2011

Shortcut: ISOP:DENYHOSTS

This SOP has moved to the fedora Infrastructure SOP git repo. Please see the current document at: http://infrastructure.fedoraproject.org/infra/docs/denyhosts.txt

For changes, questions or comments, please contact anyone in the Fedora Infrastructure team.

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 {{shortcut|ISOP:DENYHOSTS}}
-Denyhosts provides a protection against brute force attacks.
-== Contact Information ==
+This SOP has moved to the fedora Infrastructure SOP git repo. Please see the current document at: http://infrastructure.fedoraproject.org/infra/docs/denyhosts.txt
-Owner: Fedora Infrastructure Team
-Contact: #fedora-admin, sysadmin-main group
+For changes, questions or comments, please contact anyone in the Fedora Infrastructure team.
-Location: Anywhere
-Servers: All
-Purpose: Denyhosts provides a protection against brute force attacks.
-== Description ==
-All of our servers now implement denyhosts to protect against brute force attacks.  Very few boxes should be in the 'allowed' list.  Especially internally.
-== Troubleshooting and Resolution ==
-=== Connection issues ===
-The most common issue will be legitimate logins failing.  First, try to figure out why a host ended up on the deny list (tcptraceroute, failed login attempts, etc are all good candidates).  Next do the following directions.  The below example is for a host (10.0.0.1) being banned.  Login to the box from a different host and as root do the following.
-<pre>
-cd /var/lib/denyhosts
-sed -si '/10.0.0.1/d' * /etc/hosts.deny
-/etc/init.d/denyhosts restart
-</pre>
-That should correct the problem.
 [[Category:Infrastructure SOPs]]