[et_pb_section fb_built=”1″ theme_builder_area=”post_content” _builder_version=”4.27.4″ _module_preset=”default”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” theme_builder_area=”post_content”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″ theme_builder_area=”post_content”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” theme_builder_area=”post_content” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
For many years, ConfigServer Firewall (CSF)<\/strong> was the go-to solution for Linux server security. It provided simple firewall management and IPS\/IDS features that became staples in server hardening guides across the industry.<\/p>\n In the early days, cPGuard<\/strong> also relied on CSF as its firewall backend, later enhancing it with IPDB<\/strong> and Fail2ban<\/strong> integrations to provide brute-force protection. CSF\u2019s flexibility made it a favourite among administrators.<\/p>\n But times have changed. CSF is now officially retired and unsupported on new servers<\/strong>. Manual firewall management is no longer practical in modern hosting environments, and administrators need something faster, smarter, and future-ready.<\/p>\n With the release of cPGuard v5.61<\/strong>, we\u2019re proud to announce a fully rewritten, standalone firewall module \u2014 a drop-in replacement for CSF<\/strong> with far greater performance, efficiency, and usability.<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” theme_builder_area=”post_content” hover_enabled=”0″ sticky_enabled=”0″ custom_padding=”||0px|||”]<\/p>\n We moved away from the legacy iptables and ipset. The firewall is now built entirely on nftables<\/strong>, delivering better performance, a cleaner ruleset, and full compatibility with modern Linux distributions.<\/p>\n Effortlessly configure open TCP\/UDP ports<\/strong> (incoming and outgoing) directly from the cPGuard dashboard <\/strong>or CLI.<\/p>\n Quickly add or remove IP addresses \u2014 permanently or temporarily \u2014 with a single click.<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” theme_builder_area=”post_content” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n Worried about losing your CSF configuration? Don\u2019t be. Run the import in one step:<\/p>\n [\/et_pb_text][et_pb_dmb_code_snippet _builder_version=”4.27.4″ _module_preset=”default” theme_builder_area=”post_content” code=”L29wdC9jcGd1YXJkL2FwcC9zY3JpcHRzL2NzZl9taWdyYXRpb24ucGhw” copy_button=”on” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_dmb_code_snippet][et_pb_image src=”https:\/\/www.opsshield.com\/blog\/wp-content\/uploads\/2025\/09\/csf_migration_to_cpguard_firewall.webp” _builder_version=”4.27.4″ _module_preset=”default” theme_builder_area=”post_content” title_text=”csf_migration_to_cpguard_firewall” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” theme_builder_area=”post_content” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n We\u2019re not stopping here. Upcoming releases will introduce:<\/p>\n If you relied on a specific CSF feature and would like to see it in cPGuard, let us know. Your input will help shape the evolution of the firewall.<\/strong><\/p>\n The end of CSF may feel like the close of a chapter, but with the cPGuard Firewall<\/strong>, administrators gain a modern, NFT-driven, fully integrated security solution<\/strong>.<\/p>\n It doesn\u2019t just replace CSF \u2014 it surpasses it, offering performance, simplicity, and scalability designed for today\u2019s hosting environments.<\/p>\n We remain committed to continuously improving cPGuard\u2019s firewall and security modules to keep your servers safe \u2014 now and into the future.<\/p>\n [\/et_pb_text][et_pb_code _builder_version=”4.27.4″ _module_preset=”default” theme_builder_area=”post_content”][\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":" For many years, ConfigServer Firewall (CSF) was the go-to solution for Linux server security. It provided simple firewall management and IPS\/IDS features that became staples in server hardening guides across the industry. In the early days, cPGuard also relied on CSF as its firewall backend, later enhancing it with IPDB and Fail2ban integrations to provide […]<\/p>\n","protected":false},"author":1,"featured_media":6163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-6162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"\nKey Features<\/h2>\n
\ud83d\udd39 NFT at the Core<\/h4>\n
\ud83d\udd39 Easy Port Management<\/h4>\n
\ud83d\udd39 Blocklist & Allowlist Controls<\/h4>\n
<\/h4>\n
\ud83d\udd39 Enhanced Protections<\/h4>\n
\n
Migration from CSF<\/h2>\n
We provide a migration tool that automatically imports your existing CSF settings into the new firewall, including:<\/p>\n\n
Future Roadmap<\/h2>\n
\n
Final Thoughts<\/h2>\n