Tagged Questions
8
votes
3answers
2k views
What is the point of sshd “UseDNS” option?
I know what it does, but i don't know why. What attack(s) does it prevent ?
Is it relevant for all kind of authentication methods ? (hostbased, password, publickey, keyboard-interactive ...)
1
vote
0answers
305 views
How to make dnsmasq avoid DNS cache poisoning?
Some domain gets DNS cache poisoning if dnsmasq is the nameserver.
But the problem is gone if switch to BIND (named).
Is there a easy configuration of dnsmasq so that DNS cache poisoning can be ...
1
vote
2answers
399 views
DNSSEC in the root zone? How to use it?
I'm using Fedora for desktop use and I:
yum -y install caching-nameserver
service named restart
chkconfig --level 5 named on
on it, and set the nameserver to 127.0.0.1. If I:
dig google.com | grep ...
