Help for NOOP:

NOOP allows you to deny IRCop access on a per-hostmask
or per-server basis. If a matching user opers up, they
will be killed.

Syntax: NOOP ADD HOSTMASK <nick!user@host> [reason]
Syntax: NOOP ADD SERVER <mask> [reason]

Examples:
    /msg &nick& NOOP ADD HOSTMASK *!*@some.spoof Abusive operator
    /msg &nick& NOOP ADD SERVER bad.server Abusive admin

Syntax: NOOP DEL HOSTMASK <nick!user@host>
Syntax: NOOP DEL SERVER <mask>

Examples:
    /msg &nick& NOOP DEL HOSTMASK *!some@operator.host
    /msg &nick& NOOP DEL SERVER bad.server

Syntax: NOOP LIST HOSTMASK
Syntax: NOOP LIST SERVER