External Dynamic Lists (EDLs) are a great way to add dynamic protections to your firewall whether they are ones maintained in-house or third party. Below is a list of free public EDLs which have been found to be useful, and more importantly trustworthy, for blocking malicious, advertising, and tracking traffic.

URL or Domain based lists

• AdGuardDNS – https://v.firebog.net/hosts/AdguardDNS.txt
• EasyList – https://v.firebog.net/hosts/Easylist.txt
• Mandiant APT1 – https://v.firebog.net/hosts/APT1Rep.txt
• DigitalSide – https://osint.digitalside.it/Threat-Intel/lists/latesturls.txt
• DigitalSide – https://osint.digitalside.it/Threat-Intel/lists/latestdomains.txt
• Phishing Army – https://phishing.army/download/phishing_army_blocklist_extended.txt
• AlienVault – http://reputation.alienvault.com/reputation.data
• URLHaus – https://urlhaus.abuse.ch/downloads/text_online/

IP based lists

• opendbl talos – https://opendbl.net/lists/talos.list
• opendbl emerging – https://opendbl.net/lists/etknown.list
• opendbl brute force – https://opendbl.net/lists/bruteforce.list
• opendbl blockde – https://opendbl.net/lists/blocklistde-all.list
• iplists.firehol.org – https://raw.githubusercontent.com/ktsaou/blocklist-ipsets/master/firehol_level1.netset
• Emerging Threats – https://rules.emergingthreats.net/fwrules/emerging-Block-IPs.txt
• Spamhaus EDROP – https://www.spamhaus.org/drop/edrop.txt
• Spamhaus DROP – https://www.spamhaus.org/drop/drop.txt
• Cisco Talos – https://www.talosintelligence.com/documents/ip-blacklist
• Team Cymru IPv4 fullbogons – https://www.team-cymru.org/Services/Bogons/fullbogons-ipv4.txt
• Team Cymru IPv6 fullbogons – https://www.team-cymru.org/Services/Bogons/fullbogons-ipv6.txt
• DigitalSide – https://osint.digitalside.it/Threat-Intel/lists/latestips.txt
• CINSScore – https://cinsscore.com/list/ci-badguys.txt
• Emerging Threats Compromised IPs – https://rules.emergingthreats.net/blockrules/compromised-ips.txt
• Feodo Botnet C2 – https://feodotracker.abuse.ch/downloads/ipblocklist_recommended.txt
• SSL Blacklist – https://sslbl.abuse.ch/blacklist/sslipblacklist.txt
• Binary Defense – https://www.binarydefense.com/banlist.txt