Bind Security: Transaction Signatures (TSIG) Configuration in Categories Bind dns, CentOS, Debian / Ubuntu, Fedora Linux, FreeBSD, Linux, Networking, OpenBSD, RedHat and Friends, Security, Ubuntu Linux last updated January 27, 2009Q. How do I configure BIND9 name serves with TSIG (Transaction SIGnature) mechanism to secure server-to-server communication? How do I use secret key transaction authentication for DNS (bind nameservers)?