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csf
Option Meaning
-h, --help Show this message
-l, --status List/Show iptables configuration
-l6, --status6 List/Show ip6tables configuration
-s, --start Start firewall rules
-f, --stop Flush/Stop firewall rules (Note: lfd may restart csf)
-r, --restart Restart firewall rules
-q, --startq Quick restart (csf restarted by lfd)
-sf, --startf Force CLI restart regardless of LFDSTART setting
-a, --add ip Allow an IP and add to /etc/csf.allow
-ar, --addrm ip Remove an IP from /etc/csf.allow and delete rule
-d, --deny ip Deny an IP and add to /etc/csf.deny
-dr, --denyrm ip Unblock an IP and remove from /etc/csf.deny
-df, --denyf Remove and unblock all entries in /etc/csf.deny
-g, --grep ip Search the iptables rules for an IP match (incl. CIDR)
-t, --temp Displays the current list of temp IP entries and their TTL
-tr, --temprm ip Remove an IPs from the temp IP ban and allow list
-td, --tempdeny ip ttl [-p port] [-d direction]
Add an IP to the temp IP ban list. ttl is how long to
blocks for (default:seconds, can use one suffix of h/m/d).
Optional port. Optional direction of block can be one of:
in, out or inout (default:in)
-ta, --tempallow ip ttl [-p port] [-d direction]
Add an IP to the temp IP allow list (default:inout)
-tf, --tempf Flush all IPs from the temp IP entries
-cp, --cping PING all members in an lfd Cluster
-cd, --cdeny ip Deny an IP in a Cluster and add to /etc/csf.deny
-ca, --callow ip Allow an IP in a Cluster and add to /etc/csf.allow
-cr, --crm ip Unblock an IP in a Cluster and remove from /etc/csf.deny
-cc, --cconfig [name] [value]
Change configuration option [name] to [value] in a Cluster
-cf, --cfile [file] Send [file] in a Cluster to /etc/csf/
-crs, --crestart Cluster restart csf and lfd
-w, --watch ip Log SYN packets for an IP across iptables chains
-m, --mail [addr] Display Server Check in HTML or email to [addr] if present
-lr, --logrun Initiate Log Scanner report via lfd
-c, --check Check for updates to csf but do not upgrade
-u, --update Check for updates to csf and upgrade if available
-uf Force an update of csf
-x, --disable Disable csf and lfd
-e, --enable Enable csf and lfd if previously disabled
-v, --version Show csf version
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