Just out of curiosity, I see a lot of people here use Linux IPTables as their firewall.
Anyone here use something else like OpenBSD PF or *BSD IPF, IPFW?
I'm quite fond of OpenBSD and their Packet Filters. I find their syntax much easier to manage and from my personal experience, I find them... (5 Replies)
Would it be possible to restrict access to internet pages in the following way?
A machine:
IP = 128.1.17.123
Only pages from domains of the type "go.jp" and "ne.jp" are viewable. All others are not viewable or only partly viewable.
B machine:
IP = 128.1.17.146
Regardless of the domain... (4 Replies)
If I have a redirect ruleset do I need to allow those ports as well?
I.e., if I have this:
rdr on $ext proto tcp from any to ($ext) port 22 -> 10.0.0.87 port 12345
Do I need this?
pass in on $ext proto tcp from any to ($ext) port 22 (1 Reply)
Hi,
I really do not know how to describe this problem; but, I think it's a firewall
issue. My Distro is Slackware 12.0 (somewhat updated).
My company firewall uses Netfilter and the e-mail server uses Sendmail.
Let's say the firewall's Ext IP = A and Internal DMZ IP = B.
The firewall's... (0 Replies)
Dear All
I have put my windows machine behind my centos firewall server with just one NIC. At now, the windows machine can ping 192.9.9.3 but cannot resolve valid url (like www.google.com). I have set DNS for it as well. Can you please let me know what is the missing step?
Thank you (6 Replies)
Hey Guys,
I am looking for a good firewall software to implement in medium/large office, with at least 150 users.
I was hopping you guys could help me on this one.
Regards, (4 Replies)
Discussion started by: andrevicente
4 Replies
LEARN ABOUT CENTOS
firewall-applet
FIREWALL-APPLET(1) firewall-applet FIREWALL-APPLET(1)NAME
firewall-applet - firewalld applet
SYNOPSIS
firewall-applet [OPTIONS...]
DESCRIPTION
firewall-applet is a tray applet for firewalld.
OPTIONS
firewall-applet does not support any special options. The only options that can be used are the general options that Gtk uses for Gtk
application initialization. For more information on these options, please have a look at the runtime documentation for Gtk.
The following options are supported:
-h, --help
Prints a short help text and exists.
GSETTINGS
firewall-applet has additional settings to adapt the look and feel. The used backend depends on the distribution and can be either dconf or
GConf. The path to the settings is org.fedoraproject.FirewallApplet. You can use dconf-editor or gconf-editor to see and modify them.
The following settings are supported:
notifications
The applet shows notifications if enabled. This setting can be enabled also in the applet with the "Enable Notifications" checkbox in
the right mouse menu.
This setting defaults to false.
If notifications are shown for these actions if enabled:
o Connection to firewalld established
o Connection to firewalld lost
o Firewall has been reloaded
o Default zone has been changed
o Panic mode has been enabled or disabled
o Activation, deactivation or change of zones bound to interfaces
o Activation, deactivation or change of zones bound to sources addresses
show-inactive
Show applet also if firewalld is not running. If firewalld has been stopped or is not running the applet will be hidden and not visible
in the applet tray. Enable this setting to see the applet all the time for example to be sure that the firewall is active.
This setting defaults to false.
shields-up
The shields-up zone name to be used if shields-up is enabled.
This setting defaults to 'block'.
shields-down
The shields-down zone name to be used if shields-up has been deactivated again.
This setting defaults to 'public'.
blink
If enabled, the applet icon blinks in these cases:
o Connection to firewalld lost
o Panic mode has been enabled or disabled
This setting defaults to false.
blink-count
The number of blinks if blink is enabled.
This setting defaults to 5.
SEE ALSO firewall-applet(1), firewalld(1), firewall-cmd(1), firewall-config(1), firewalld.conf(5), firewalld.direct(5), firewalld.icmptype(5),
firewalld.lockdown-whitelist(5), firewall-offline-cmd(1), firewalld.richlanguage(5), firewalld.service(5), firewalld.zone(5),
firewalld.zones(5)NOTES
firewalld home page at fedorahosted.org:
http://fedorahosted.org/firewalld/
More documentation with examples:
http://fedoraproject.org/wiki/FirewallD
AUTHORS
Thomas Woerner <twoerner@redhat.com>
Developer
Jiri Popelka <jpopelka@redhat.com>
Developer
firewalld 0.3.9 FIREWALL-APPLET(1)