Git 1.7.9 offers more secure modification requests
Junio C Hamano has released version 1.7.9 of the Git source code management system. When requesting modifications via "Git pull", developers can now use "signed tags" to ensure that the code hasn't been modified after the pull request was submitted.
The technology is an indirect consequence of the break-in at kernel.org and a result of the kernel developers having checked some of their working methods for vulnerabilities after the incident.
You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump