Hi people. I'm setting up ssh on a server box.
I'm using system-config-firewall to open up port 22 for it. Here is the thing... it *appears* that system-config-firewall has port 22 opened up by default, for some reason. Ie the port is checked on the port list in system-config-firewall. However, if I run nmap from the remote machine (nmap -sS -F 192.168...) it shows all the ports to be closed. If I unselect port 22 and press Apply and then select it and press Apply again, nmap finds it open and all is well. However, if I then reboot, the port is again closed ! One seems to need to repeat the unselect-Apply/ select-Apply procedure to get it working again. Is it just me or do others have the same problem ? There is also an issue with saving service setting in system-config-firewall on my machine, but I'll get to that later. What other program are people using to manage their firewall settings. I'm not a fan of manually entering iptable entries. $ uname -a Linux zoneminder.localdomain 2.6.40.4-5.fc15.i686 #1 SMP Tue Aug 30 14:54:41 UTC 2011 i686 i686 i386 GNU/Linux $ yum list system-config-firewall system-config-firewall.noarch 1.2.29-4.fc15 Thanks !
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