inspircd/inspircd — pull request #19 by Shawn-Smith (2012-03-28 21:30:29+00:00)
Title: [2.1] Adds support for ssl-only queries and notices. (m_sslmodes)

Adds user mode 'z' to give users the ability to deny queries/notices from users not on an ssl connection.

Opers are unable to bypass this but ULined servers are.