Catégorie: DNS

PowerDNS Recursor is a resolving DNS server, that runs as a separate process. The authoritative pdns_server can be configured to proxy recursive queries to the recursor, and optionally overlay authoritative zone data. The Recursor is used by several of the largest Internet providers of the world, including AOL, Shaw Cable and Neuf Cegetel. 1. Install […]

Use python script to get Hex Dump of a DNS query $ python >>> import binascii >>> def dns_hex(hex): … a = [binascii.hexlify(i) for i in hex.split(« . »)] … print « 06 ».join(a[0:-3])+ »07″.join(a[-3:-1])+ »02″+a[-1] … >>> dns_hex(« attack.attack.attack ») 61747461636b0761747461636b0261747461636b Here we are going to use the dump in the iptable rule Create the iptable rule $ sudo iptables -I INPUT […]

Use wget command to retrieve file and store to /etc/bind/db.root (Debian / Ubuntu Linux), enter: # wget –user=ftp –password=ftp ftp://ftp.rs.internic.net/domain/db.cache -O /etc/bind/db.root Under Red Hat / CentOS / Fedora Linux, default location is /var/named/named.root, enter: # wget –user=ftp –password=ftp ftp://ftp.rs.internic.net/domain/db.cache -O /var/named/named.root Reload rndc to update information, enter: # rndc reload Another option is run […]

Install the BIND software # yum -y install bind # yum -y install caching-nameserver * Configure # cd /var/named/chroot/etc/ # ls -la total 48 drwxr-x— 2 root named 4096 Apr 29 03:06 . drwxr-x— 5 root named 4096 Feb 23 06:35 .. -rw-r–r– 1 root root  3519 Feb 27  2006 localtime -rw-r—– 1 root named […]

I’ve nameserver like ns1.example.com and ns2.example.com. I’d like to provide Vanity DNS for each domain such as ns1.yourdomain.com and ns2.yourdomain.com. Basically, my users should able to call my dns server as their own servers. This will create the illusion that my user run their own name servers. How do I setup vanity DNS using BIND […]