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.TH csf 1
.SH NAME
csf \- ConfigServer & Security Firewall
.SH SYNOPSIS
.B csf [OPTIONS]
.SH DESCRIPTION
This manual documents the csf command line options for the ConfigServer & Security Firewall. See /etc/csf/csf.conf and /etc/csf/readme.txt for more detailed information on how to use and configure this application.
.SH OPTIONS
.TP
.B
-h,  --help
Show this message
.TP
.B
-l,  --status
List/Show the IPv4 iptables configuration
.TP
.B
-l6, --status6
List/Show the IPv6 ip6tables configuration
.TP
.B
-s,  --start
Start the firewall rules
.TP
.B
-f,  --stop
Flush/Stop firewall rules (Note: lfd may restart csf)
.TP
.B
-r,  --restart
Restart firewall rules (csf)
.TP
.B
-q,  --startq
Quick restart (csf restarted by lfd)
.TP
.B
-sf, --startf
Force CLI restart regardless of LFDSTART setting
.TP
.B
-ra, --restartall
Restart firewall rules (csf) and then restart lfd daemon. Both csf and then lfd should be restarted after making any changes to the configuration files
.TP
.B
--lfd [\fIstop\fP|\fIstart\fP|\fIrestart\fP|\fIstatus\fP]
Actions to take with the lfd daemon
.TP
.B
-a,  --add \fIip\fP [\fIcomment\fP]
Allow an IP and add to /etc/csf/csf.allow
.TP
.B
-ar, --addrm \fIip\fP
Remove an IP from /etc/csf/csf.allow and delete rule
.TP
.B
-d,  --deny \fIip\fP [\fIcomment\fP]
Deny an IP and add to /etc/csf/csf.deny
.TP
.B
-dr, --denyrm \fIip\fP
Unblock an IP and remove from /etc/csf/csf.deny
.TP
.B
-df, --denyf
Remove and unblock all entries in /etc/csf/csf.deny
.TP
.B
-g,  --grep \fIip\fP
Search the iptables and ip6tables rules for a match (e.g. IP, CIDR, Port Number)
.TP
.B
-i,  --iplookup \fIip\fP
Lookup IP address geographical information using CC_LOOKUPS setting in /etc/csf/csf.conf
.TP
.B
-t,  --temp
Displays the current list of temporary allow and deny IP entries with their TTL and comment
.TP
.B
-tr, --temprm \fIip\fP
Remove an IP from the temporary IP ban or allow list
.TP
.B
-trd, --temprmd \fIip\fP
Remove an IP from the temporary IP ban list only
.TP
.B
-tra, --temprma \fIip\fP
Remove an IP from the temporary IP allow list only
.TP
.B
-td, --tempdeny \fIip\fP \fIttl\fP [-p \fIport\fP] [-d \fIdirection\fP] [\fIcomment\fP]
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)
.TP
.B
-ta, --tempallow \fIip\fP \fIttl\fP [-p \fIport\fP] [-d \fIdirection\fP] [\fIcomment\fP]
Add an IP to the temp IP allow list (default:inout)
.TP
.B
-tf, --tempf
Flush all IPs from the temporary IP entries
.TP
.B
-cp, --cping
PING all members in an lfd Cluster
.TP
.B
-cg, --cgrep \fIip\fP
Requests the --grep output for IP from each member in an lfd Cluster
.TP
.B
-cd, --cdeny \fIip\fP [\fIcomment\fP]
Deny an IP in a Cluster and add to each remote /etc/csf/csf.deny
.TP
.B
-ctd, --ctempdeny \fIip\fP \fIttl\fP [-p \fIport\fP] [-d \fIdirection\fP] [\fIcomment\fP]
Add an IP in a Cluster to the temp IP ban list (default:in)
.TP
.B
-cr, --crm \fIip\fP
Unblock an IP in a Cluster and remove from each remote /etc/csf/csf.deny and temporary list
.TP
.B
-ca, --callow \fIip\fP [\fIcomment\fP]
Allow an IP in a Cluster and add to each remote /etc/csf/csf.allow
.TP
.B
-cta, --ctempallow \fIip\fP \fIttl\fP [-p \fIport\fP] [-d \fIdirection\fP] [\fIcomment\fP]
Add an IP in a Cluster to the temp IP allow list (default:in)
.TP
.B
-car, --carm \fIip\fP
Remove allowed IP in a Cluster and remove from each remote /etc/csf/csf.allow and temporary list
.TP
.B
-ci, --cignore \fIip\fP [\fIcomment\fP]
Ignore an IP in a Cluster and add to each remote /etc/csf/csf.ignore. Note: This will result in lfd being restarted
.TP
.B
-cir, --cirm \fIip\fP
Remove ignored IP in a Cluster and remove from each remote /etc/csf/csf.ignore. Note: This will result in lfd being restarted
.TP
.B
-cc, --cconfig [\fIname\fP] [\fIvalue\fP]
Change configuration option [name] to [value] in a Cluster
.TP
.B
-cf, --cfile [\fIfile\fP]
Send [file] in a Cluster to /etc/csf/
.TP
.B
-crs, --crestart
Cluster restart csf and lfd
.TP
.B
--trace [\fIadd\fP|\fIremove\fP] \fIip\fP
Log SYN packets for an IP across iptables chains. Note, this can create a LOT of logging information in /var/log/messages so should only be used for a short period of time. This option requires the iptables TRACE module and access to the raw PREROUTING chain to function
.TP
.B
-m,  --mail [\fIemail\fP]
Display Server Check in HTML or email to [email] if present
.TP
.B
--rbl [\fIemail\fP]
Process and display RBL Check in HTML or email to [email] if present
.TP
.B
-lr, --logrun
Initiate Log Scanner report via lfd
.TP
.B
-p, --ports
View ports on the server that have a running process behind them listening for external connections
.TP
.B
--graphs [\fIgraph type\fP] [\fIdirectory\fP]
Generate System Statistics html pages and images for a given graph type into a given directory. See ST_SYSTEM for requirements
.TP
.B
--profile [\fIcommand\fP] [\fIprofile\fP|\fIbackup\fP] [\fIprofile\fP|\fIbackup\fP]
Configuration profile functions for /etc/csf/csf.conf
.br
You can create your own profiles using the examples provided in /usr/local/csf/profiles/
.br
The profile reset_to_defaults.conf is a special case and will always be the latest default csf.conf
.IP
.B
list
.br
Lists available profiles and backups
.IP
.B
apply [\fIprofile\fP]
.br
Modify csf.conf with Configuration Profile
.IP
.B
backup "\fIname\fP"
.br
Create Configuration Backup with optional "\fIname\fP" stored in /var/lib/csf/backup/
.IP
.B
restore [\fIbackup\fP]
.br
Restore a Configuration Backup
.IP
.B
keep [\fInum\fP]
.br
Remove old Configuration Backups and keep the latest [\fInum\fP]
.IP
.B
diff [\fIprofile\fP|\fIbackup\fP] [\fIprofile\fP|\fIbackup\fP]
.br
Report differences between Configuration Profiles or Configuration Backups, only specify one [\fIprofile\fP|\fIbackup\fP] to compare to the current Configuration
.TP
.B
--mregen
MESSENGERV2 /etc/apache2/conf.d/csf_messenger.conf regeneration. This will also gracefully restart httpd
.TP
.B
--cloudflare [\fIcommand\fP]
Commands for interacting with the CloudFlare firewall. See /etc/csf/readme.txt and CF_ENABLE for more detailed information

Note: target can be one of: An IP address; 2 letter Country Code; IP range CIDR. Only Enterprise customers can block a Country Code, but all can allow and challenge. IP range CIDR is limited to /16 and /24
.IP
.B
list [\fIall\fP|\fIblock\fP|\fIchallenge\fP|\fIwhitelist\fP] [\fIuser1\fP,\fIuser2\fP,\fIdomain1\fP...]
.br
List specified type of CloudFlare Firewall rules for comma separated list of users/domains
.IP
.B
add [\fIblock\fP|\fIchallenge\fP|\fIwhitelist\fP] \fItarget\fP [\fIuser1\fP,\fIuser2\fP,\fIdomain1\fP...]
.br
Add CloudFlare Firewall rule action for target for comma separated list of users/domains only
.IP
.B
del \fItarget\fP [\fIuser1\fP,\fIuser2\fP,\fIdomain1\fP...]
.br
Delete CloudFlare Firewall rule for target for comma separated list of users/domains only
.IP
.B
tempadd [\fIallow\fP|\fIdeny\fP] \fIip\fP [\fIuser1\fP,\fIuser2\fP,\fIdomain1\fP...]
.br
Add a temporary block for CF_TEMP seconds to both csf and the CloudFlare Firewall rule for ip for comma separated list of users/domains as well as any user set to "any"
.TP
.B
-c,  --check
Check for updates to csf but do not upgrade
.TP
.B
-u,  --update
Check for updates to csf and upgrade if available
.TP
.B
-uf
Force an update of csf whether and upgrade is required or not
.TP
.B
-x,  --disable
Disable csf and lfd completely
.TP
.B
-e,  --enable
Enable csf and lfd if previously disabled
.TP
.B
-v,  --version
Show csf version
.SH FILES
.I /etc/csf/csf.conf
.RS
The system wide configuration file
.RE
.I /etc/csf/readme.txt
.RS
Detailed information about csf and lfd
.SH BUGS
Report bugs on the forums at http://forum.configserver.com
.SH AUTHOR
(c)2006-2023, Way to the Web Limited (http://www.configserver.com)