89 lines
4.9 KiB
HTML
89 lines
4.9 KiB
HTML
ufw-ipset-blocklist-autoupdate
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Latest Version Maintenance Status License GitHub Issues GitHub Pull Requests Donate with PayPal Sponsor with GitHub GitHub Stars GitHub Forks GitHub Contributors
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This collection of scripts automatically pulls IP blocklists (e.g. Spamhaus, Blocklist, ...) and drops packages from listed IP addresses. It integrates with the uncomplicated firewall (ufw) and makes use of ipset for storing IP addresses and network ranges. Both IPv4 and IPv6 blocklists are supported.
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Installation
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Install ufw and ipset.
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Deploy after.init script via executing: ./setup-ufw.sh
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Determine the blocklist you would like to use.
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Get initial set of blocklists: ./update-ip-blocklists.sh -l "blocklist https://lists.blocklist.de/lists/all.txt" -l "spamhaus https://www.spamhaus.org/drop/drop.txt"
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Add update-ip-blocklists.sh to your crontab:
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@daily /path/to/update-ip-blocklists.sh -l "blocklist https://lists.blocklist.de/lists/all.txt" -l "spamhaus https://www.spamhaus.org/drop/drop.txt"
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Usage
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Usage: ./update-ip-blocklists.sh [-h]
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Blocking lists of IPs from public blocklists / blacklists (e.g. blocklist.de, spamhaus.org)
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Options:
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-l : Blocklist to use. Can be specified multiple times.
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Format: "$name $url" (space-separated). See examples below.
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-4 : Run in IPv4 only mode. Ignore IPv6 addresses.
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-6 : Run in IPv6 only mode. Ignore IPv4 addresses.
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-q : Quiet mode. Outputs are suppressed if flag is present.
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-v : Verbose mode. Prints additional information during execution.
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-h : Print this help message.
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Example usage:
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./update-ip-blocklists.sh -l "spamhaus https://www.spamhaus.org/drop/drop.txt"
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./update-ip-blocklists.sh -l "blocklist https://lists.blocklist.de/lists/all.txt" -l "spamhaus https://www.spamhaus.org/drop/drop.txt"
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./update-ip-blocklists.sh -l "spamhaus https://www.spamhaus.org/drop/drop.txt" -l "spamhaus6 https://www.spamhaus.org/drop/dropv6.txt"
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Supplying blocklist sources
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Blocklists can be passed to the script using the -l CLI argument. Each entry consists of a name and download URL, separated by a space. Examples:
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-l "spamhaus https://www.spamhaus.org/drop/drop.txt"
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-l "mylist http://mylist.local/list.txt"
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-l "spamhaus6 https://www.spamhaus.org/drop/dropv6.txt"
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Lists are stripped of comments. This means all text after one of the following characters is removed before parsing: ;, #. Valid IPv4/IPv6 addresses with an optional CIDR are loaded into the ipset to block.
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Processing of either IPv6 or IPv4 addresses can be disabled by supplying the -4 (IPv4 only) or -6 (IPv6 only) flags respectively.
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Listing blocked IPs
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The total number of blocked IPs is indicated by running ipset -t list. A full list of all blocked addresses is given by ipset list.
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Components
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update-ip-blocklist.sh: Pulls the latest versions of requested blocklists, updates ipsets, and exports created ipsets to $IPSET_DIR (default: /var/lib/ipset). Ipsets are swapped during update to minimize the update downtime.
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ufw/after.init: Inserts and deletes the required iptables rules on ufw reloads. Ipsets are loaded from $IPSET_DIR.
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setup-ufw.sh: Helper script to deploy ufw/after.init.
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Available blocklists
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This script can parse all blocklists that list IPv4 or IPv6 addresses with optional CIDR notation row per row in a plain text format (see Supplying blocklist sources).
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The following blocklists are known to work. They can be enabled by passing the respective -l argument to the update-ip-blocklists.sh script.
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Binary Defense Systems Artillery Threat Intelligence Banlist:
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-l "bdsatib https://www.binarydefense.com/banlist.txt"
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Blocklist.de Fail2Ban Reporting (all):
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-l "blocklist https://lists.blocklist.de/lists/all.txt"
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BruteForceBlocker:
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-l "bfblocker https://danger.rulez.sk/projects/bruteforceblocker/blist.php"
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CINS Army List:
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-l "cnisarmy http://cinsscore.com/list/ci-badguys.txt"
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FEODO Tracker: Botnet C2 (Recommended):
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-l "feodoc2 https://feodotracker.abuse.ch/downloads/ipblocklist_recommended.txt"
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FEODO Tracker: Botnet C2 IoC (Recommended):
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-l "feodoc2ioc https://feodotracker.abuse.ch/downloads/ipblocklist.txt"
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FEODO Tracker: Botnet C2 IoC (Aggressive):
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-l "feodoc2ioca https://feodotracker.abuse.ch/downloads/ipblocklist_aggressive.txt"
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FireHOL IP List Level 1:
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-l "firehol1 https://iplists.firehol.org/files/firehol_level1.netset"
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GreenSnow:
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-l "greensnow https://blocklist.greensnow.co/greensnow.txt"
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IPsum:
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-l "ipsum https://raw.githubusercontent.com/stamparm/ipsum/master/levels/3.txt"
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Spamhaus Don't Route Or Peer List (DROP):
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-l "spamhaus https://www.spamhaus.org/drop/drop.txt"
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Spamhaus IPv6 DROP List (DROPv6):
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-l "spamhaus6 https://www.spamhaus.org/drop/dropv6.txt"
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Spamhaus Extended DROP List (EDROP):
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-l "spamhausex https://www.spamhaus.org/drop/edrop.txt"
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Acknowledgments
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This project is inspired by this post on Xela's Linux Blog. |