[nate@localhost ~]$ su
Password:
[root@localhost nate]# system-config-firewall

(system-config-firewall:2395): GVFS-RemoteVolumeMonitor-WARNING **: cannot connect to the session bus: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.

(system-config-firewall:2395): GVFS-RemoteVolumeMonitor-WARNING **: cannot connect to the session bus: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
/usr/share/system-config-firewall/fw_gui.py:2369: GtkWarning: Attempting to store changes into `/root/.local/share/recently-used.xbel', but failed: Failed to create file '/root/.local/share/recently-used.xbel.JZ4TOX': No such file or directory gtk.main()
/usr/share/system-config-firewall/fw_gui.py:2369: GtkWarning: Attempting to set the permissions of `/root/.local/share/recently-used.xbel', but failed: No such file or directory gtk.main()
[root@localhost nate]#
[root@localhost nate]# cat/etc/sysconfig/iptables bash: cat/etc/sysconfig/iptables: No such file or directory
[root@localhost nate]# iptables-L bash: iptables-L: command not found...
[root@localhost nate]#

Chapter 25, Unit 7, Lab 1
(NT 1430,U2,GA1)
Nathaniel Hayes, Jr.
Enterprise Linux-NT 1430
November 5, 2014
Professor Rahming

[nate@localhost ~]$ su
Password:
[root@localhost nate]# system-config-firewall

(system-config-firewall:2395): GVFS-RemoteVolumeMonitor-WARNING **: cannot connect to the session bus: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.

(system-config-firewall:2395): GVFS-RemoteVolumeMonitor-WARNING **: cannot connect to the session bus: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
/usr/share/system-config-firewall/fw_gui.py:2369: GtkWarning: Attempting to store changes into `/root/.local/share/recently-used.xbel', but failed: Failed to create file '/root/.local/share/recently-used.xbel.JZ4TOX': No such file or directory gtk.main()
/usr/share/system-config-firewall/fw_gui.py:2369: GtkWarning: Attempting to set the permissions of `/root/.local/share/recently-used.xbel', but failed: No such file or directory gtk.main()
[root@localhost nate]#
[root@localhost nate]# cat/etc/sysconfig/iptables bash: cat/etc/sysconfig/iptables: No such file or directory
[root@localhost nate]# iptables-L bash: iptables-L: command not found...
[root@localhost nate]# clear

[root@localhost nate]# iptables-1INPUT -p tcp --dport 25 -j ACCEPT bash: iptables-1INPUT: command not found...
[root@localhost nate]# telnet 172.18.0.50.25 telnet: 172.18.0.50.25: Name or service not known
172.18.0.50.25: Unknown host
[root@localhost nate]# iptables-I INPUT -p tcp --dport 25 -j ACCEPT bash: iptables-I: command not found...
[root@localhost nate]# telnet 172.18.0.50 25
Trying 172.18.0.50... telnet: connect to address 172.18.0.50: Connection refused
[root@localhost nate]#
[root@localhost nate]# iptables -I INPUT -p tcp --dport 25 -j ACCEPT
[root@localhost nate]# service iptables save iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ]
[root@localhost nate]# iptables -s 172.18.0.254 -p tcp -m state --state NEW -m tcp --dport 22 -j REJECT iptables v1.4.10: no command specified
Try `iptables -h' or 'iptables --help' for more information.
[root@localhost nate]# iptables -s 172.18.0.254 -p tcp -m state --state NEW -m tcp --dport 22 -j REJECT iptables v1.4.10: no command specified
Try `iptables -h' or 'iptables --help' for more information.
[root@localhost nate]# iptables -s 172.18.0.254 -p tcp -m state --state NEW -m tcp --dport 22 -j REJECT systemctl restart iptables.service
Bad argument `systemctl'
Try `iptables -h' or 'iptables --help' for more information.
[root@localhost nate]#

Chapter 25, Unit 7, Lab 2
(NT 1430,U2,GA1)
Nathaniel Hayes, Jr.
Enterprise Linux-NT 1430
November 5, 2014
Professor Rahming