1
vote
2answers
386 views

DNSCrypt, Unbound and DNSSEC

I would like to have an encrypted DNS queries + a DNS Cache + Domain Name System Security Extensions (DNSSEC) . I used this bash script to install DNSCrypt and I choosed to use dnscrypt.eu servers : ...
14
votes
4answers
12k 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
399 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
449 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 ...