apf commands

1. Command to start apf

# apf -s

2. Command to restart apf

# apf -r

3. Command to stop/flush apf

# apf -f

4. Command to list all firewall rules.

# apf -l

5. Command to output firewall status log.

# apf -t

6. To refresh & resolve dns names in trust rules.

# apf -e

7. To output all configuration options.

# apf -o

Example:

# apf -o
---
APF version 9.7 <apf@r-fx.org>
Copyright (C) 2002-2011, R-fx Networks <proj@r-fx.org>
Copyright (C) 2011, Ryan MacDonald <ryan@r-fx.org>
This program may be freely redistributed under the terms of the GNU GPL

DEVEL_MODE "0"
INSTALL_PATH "/etc/apf"
IFACE_IN "eth0"
IFACE_OUT "eth0"
IFACE_TRUSTED ""
SET_VERBOSE "1"
SET_FASTLOAD "0"
---

8. To remove host from [glob]*_hosts.rules and immediately remove rule from firewall.

# apf -u

9. White-list an IP address:

# apf -a IP
or
edit /etc/apf/allow_hosts.rules

Always restart apf after white-listing an IP in apf.

10. For blocking an IP in apf

# apf -d IP
or
edit /etc/apf/deny_hosts.rules

10 APF (Advance Policy Firewall) commands in Linux – Simple usages
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