02-11-2013
Are you telnet'ing to the same host you are on? For two hosts, there is the local firewall, any intermediate firewall, any remote firewall, and the listener there. Does the IP exactly match the host name on both client and server DNS/hosts (usually you listen on 0.0.0.0 for all IPs, like 127.0.0.1 even if one NIC)?
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LEARN ABOUT CENTOS
firewall-config
FIREWALL-CONFIG(1) firewall-config FIREWALL-CONFIG(1)
NAME
firewall-config - firewalld GUI configuration tool
SYNOPSIS
firewall-config [OPTIONS...]
DESCRIPTION
firewall-config is a GUI configuration tool for firewalld.
OPTIONS
firewall-config 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.
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-CONFIG(1)