ZBLOCKLIST(1)                     zblocklist                     ZBLOCKLIST(1)

NAME
       zblocklist - zmap IP blocklist tool

SYNOPSIS
       zblocklist [ -b <blocklist> ] [ -w <allowlist> ] [ OPTIONS... ]

DESCRIPTION
       ZBlacklist is a network tool for limiting and deduplicating a list of
       IP addresses using a blocklist or allowlist.

OPTIONS
   BASIC OPTIONS
       -b, --blocklist-file=path
              File of subnets to exclude, in CIDR notation, one-per line. It
              is recommended you use this to exclude RFC 1918 addresses,
              multicast, IANA reserved space, and other IANA special-purpose
              addresses. An example blocklist file blocklist.conf for this
              purpose.

       -w, --allowlist-file=name
              File of subnets to include, in CIDR notation, one-per line. All
              other subnets will be excluded.

       -l, --log-file=name
              File to log to.

       --disable-syslog
              Disable logging messages to syslog.

       -v, --verbosity
              Level of log detail (0-5, default=3)

       --no-duplicate-checking
              Don't deduplicate input addresses. Default is false.

       --ignore-blocklist-errors
              Ignore invalid, malformed, or unresolvable entries in the
              blocklist/allowlist. Default is false.

       --ignore-input-errors
              Don't print invalid entries in the input. Default is false.

   ADDITIONAL OPTIONS
       -h, --help
              Print help and exit

       -V, --version
              Print version and exit


ZMap                             February 2024                   ZBLOCKLIST(1)