Hide version of bind : options { ….. version “[SECURED]”; }; Test version of bind : Windows (cmd) nslookup -q=txt -class=CHAOS version.bind 192.168.xxx.xxx Linux #dig -t txt -c chaos VERSION.BIND @192.1..
Category : DNS
# yum install bind-utils bind-chroot -y # /usr/libexec/setup-named-chroot.sh /var/named/chroot on # systemctl stop named # systemctl disable named # systemctl start named-chroot # systemctl enable named-chroot # ls -al /var/named/chroot/etc …… total 704 drwxr-x— 4 root named 4096 Feb 22 18:15 . drwxr-x— 7 root named 4096 Feb 22 18:15 .. -rw-r–r–. 1 root root ..
A Service record (SRV record) is a specification of data in the Domain Name System defining the location, i.e. the hostname and port number, of servers for specified services A SRV record has the form: _service._proto.name. TTL class SRV priority weight port target. Adding the SRV record to PDNS name server: where: _sipfederationtls – service: ..