v1.2.0

• Used iptables-save / iptables-restore when updating blocklist instead of adding each rule individually, which speeds the process up considerably.
• Updated option processing so optimization can be disabled from the commandline (eg, "--no-optimize").
• Leveraged IPC::Run to run commands.
• Fixed GPG verification.
• Removed hardcoded version number from user-agent string.
• Added $ipt_extra_args variable, for extra arguments to include when calling iptables.

1.1.2

• Updated script URL.

1.1.1

• Referenced DShield's Highly Predictive Blacklist instead of their old block list.
• Added support for SHA256 checksums.
• Added 'https' and 'ftp' to the list of schemas used by a proxy.

1.1.0

• Added support for an external configuration file.
• Added support for for multiple dynamic blocklists and made their processing a configurable option.
• Added support for The Spamhaus Don't Route Or Peer List in the sample configuration file.
• Added support for optional rule optimization to remove overlapping / duplicate rules.
• Improved debugging by including the source of each rule in the debugging output.
• Eliminated shell processing when invoking external commands to improve security.

1.0.1

• Changed the bang-path to use /usr/bin/perl rather than /usr/local/bin/perl.
• Changed the usage message.
• Changed $bl_dynamic_sig_uid to reflect the new DShield.org key (0x06D106B7)
• Added code to provide help if invalid commandline arguments were supplied.
• Added distribution URL to $useragent.

1.0.0

• Initial version.