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How to match properly against an IP set of type 'hash:ip,port'?

My current setup is that I have a server with several IPv4 addresses. Let's ignore the IPv6 part for now, as the symptoms are identical there. In the firewall rules I'd like to match against HTTP ...
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541 views

What alternatives are there to ipset for blocking large sets of ip addresses / address ranges?

Are there alternatives to ipset that offer similar efficiency in handling large sets of ip addresses or ip address ranges? We originally used iptables to selectively block access to our servers for ...
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Is the functionality of libipset covered by CAP_NET_ADMIN?

The capabilities(7) states (excerpt): CAP_NET_ADMIN Perform various network-related operations: * interface configuration; * administration of IP firewall, masquerading, and accounting; ...
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IPSet - After installing get error message “Broken error report message received”

I get an error message after installation when I try to use ipset. "Broken error report message received". I am wondering what the cause of the issue is, may be some linux guru could point me into the ...
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709 views

Upon bootup, all iptables are lost because the kernel module ip_set is not loaded

i can get iptables to whitelist / blacklist using ipset members, but after a reboot, the iptables are emptied out because the kernel module is not loaded. Have limped along in the past by customizing ...
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134 views

How can I use 0.0.0.0/0 in ipset hash:net,port?

Right now, if I do ipset a ansible_allowed 0.0.0.0/0,tcp:22 I get ipset v6.19: The value of the CIDR parameter of the IP address is invalid and instead I have to add 0.0.0.0/1,tcp:22 ...