Difference between revisions of "Fwknop"
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↑ https://serverfault.com/a/608976
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Latest revision as of 04:38, 3 April 2020
"FireWall KNock OPerator" implements an authorization scheme called Single Packet Authorization (SPA) (encrypted, non-replayed, with an HMAC SHA-256)
- macOS installation:
brew install fwknop - Config files:
/etc/fwknop/access.conf
Quick Start[edit]
fwknop --key-genRef: https://www.cipherdyne.org/fwknop/docs/fwknop-tutorial.html#quick-start- Send SPA packet:
fwknop -n DESTINATION_SERVER_OR_IP --verbose -R
See also[edit]
- Port knocking,
fail2ban[1]fwknop, DenyHosts - OpenSSH (changelog):
/etc/ssh/sshd_config|/etc/ssh/ssh_config|~/.ssh/|openSSL | sshd logs|sftp|scp|authorized_keys|ssh-keygen|ssh-keyscan|ssh-add|ssh-agent|ssh|Ssh -O stop|ssh-copy-id|CheckHostIP|UseKeychain, OpenSSF iptablesufwfirewalldnftablesfirewall-cmdipfw (FreeBSD)PF (OpenBSD), netsh advfirewall- Security tools: Vulnerability scanner, port scan, Host sweep,
nmap,nping,ncat, nc,psad, Gordon Lyon
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