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Windows Servers

Admin Guide Use cases

Windows Servers and RDP/WinRM - removing pre-auth attack surface A mid-sized business uses RDP an...

Updated 15 hours ago by Adam

SSH

Admin Guide Use cases

Use case: Eliminating SSH attack surface in a distributed environment A large distributed enterpr...

Updated 15 hours ago by Adam

Microsoft Azure NSG

Admin Guide Knocs (backends)

Overview This integration allows for IP addresses to be dynamically managed within Azure Network ...

Updated 16 hours ago by Blake

Error Codes

Admin Guide Troubleshooting

Agent Error Codes AWS AWS000 - AWS CLI Not Installed AWS001 - AWS Authentication Failed AWS002 - ...

Updated 2 days ago by Gavin Douch

Redirecting Users

Admin Guide Access

Knocknoc supports a couple of ways to redirect users to and from Knocknoc, which can be useful fo...

Updated 2 days ago by Gavin Douch

Kemp LoadMaster

Admin Guide Knocs (backends)

Knocknoc integrates with the Kemp LoadMaster to dynamically control network access. Knocknoc dyna...

Updated 2 days ago by Gavin Douch

IPSet (Linux Netfilter/IPTables)

Admin Guide Knocs (backends)

Linux comes equipped with a built-in native firewall which Knocknoc orchestrates via "IPSets". IP...

Updated 2 days ago by Gavin Douch

Additional client IP addresses

Admin Guide Access

Capturing additional client IP addresses A client may exhibit behavior where multiple IP addresse...

Updated 2 days ago by Gavin Douch

Windows Firewall

Admin Guide Knocs (backends)

Microsoft Windows comes equipped with a built-in native firewall which Knocknoc orchestrates to p...

Updated 2 days ago by Gavin Douch

VPNs, internal addresses and access

Admin Guide Access

You may want to limit the ability to access a Knoc, depending on where your user is logging in to...

Updated 2 days ago by Gavin Douch

v26.08

Changelog and Roadmap

Knocknoc 26.08 is a focused release. It adds Fastly ACL and native nftables enforcement, improves...

Updated 2 days ago by Blake

NFT400 - Invalid Response From nft

Agent Error Codes nftables

Agent error code #NFT400 indicates that the agent could not read the nftables sets. Either the li...

Updated 6 days ago by Sam

NFT100 - Failed to Remove the Address from the Set

Agent Error Codes nftables

Agent error code #NFT100 indicates that nft delete element failed while revoking a grant. The ad...

Updated 6 days ago by Sam

NFT052 - Failed to Add the Address to the Set

Agent Error Codes nftables

Agent error code #NFT052 indicates that nft add element failed for a reason the agent could not ...

Updated 6 days ago by Sam

NFT050 - nftables Set Does Not Exist

Agent Error Codes nftables

Agent error code #NFT050 indicates that the configured set could not be found on the agent host. ...

Updated 6 days ago by Sam

NFT051 - Prefix Overlaps an Existing Entry

Agent Error Codes nftables

Agent error code #NFT051 indicates that the address could not be added because it overlaps an ent...

Updated 6 days ago by Sam

NFT003 - No nftables Set Configured

Agent Error Codes nftables

Agent error code #NFT003 indicates that the knoc uses the nftables backend but names no set at al...

Updated 6 days ago by Sam

NFT001 - Agent Cannot Run nft

Agent Error Codes nftables

Agent error code #NFT001 indicates that nft is present on the host but the agent has no way to r...

Updated 6 days ago by Sam

NFT002 - Set Name Is Not Qualified

Agent Error Codes nftables

Agent error code #NFT002 indicates that the set name configured on the knoc is not a fully qualif...

Updated 6 days ago by Sam

NFT000 - nft Command Not Available

Agent Error Codes nftables

Agent error code #NFT000 indicates that the agent could not run the nft binary on the host it is...

Updated 6 days ago by Sam