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Servers & Networking Discuss any Fedora server problems and Networking issues such as dhcp, IP numbers, wlan, modems, etc.

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  #1  
Old 29th March 2011, 05:18 PM
amykhar Offline
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Join Date: Mar 2004
Age: 44
Posts: 9
linuxchrome
Fedora 14 Firewall off - Ports still closed - [SOLVED]

I'm going insane. I have Fedora 14. I have turned off and flushed iptables. Set it to not start at boot. Confirmed that it's off. Disabled the system-config-firewall. Even uninstalled the system-config-firewall to no avail. If I do nmap localhost on the machine, I get


Nmap scan report for localhost (127.0.0.1)
Host is up (0.0000070s latency).
rDNS record for 127.0.0.1: localhost.localdomain
Not shown: 996 closed ports
PORT STATE SERVICE
25/tcp open smtp
80/tcp open http
631/tcp open ipp
3306/tcp open mysql

But, from another machine on the network, I get:
Starting Nmap 5.21 ( http://nmap.org ) at 2011-03-29 12:05 EDT
Nmap scan report for 192.168.2.12
Host is up (0.0091s latency).
Not shown: 999 closed ports
PORT STATE SERVICE
3306/tcp open mysql
MAC Address: 00:25:64:E7:2C:E5 (Dell)


In our office, we have two networks - fios on 192.168.2.* and Comcast router on the 192.168.1.* subnet. I tried flipping from one to the other just in case Comcast had something hokey going on in their router. It's not that.

I simply have no access to port 80 on this machine from another computer on the network and it's making me insane. I've disabled SELinux and have been looking everywhere for what could be blocking the ports other than iptables or the Fedora firewall. I've installed no other security software or firewalls on this machine.

Last edited by amykhar; 29th March 2011 at 06:54 PM. Reason: problem solved.
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  #2  
Old 29th March 2011, 06:22 PM
AndrewSerk Offline
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Join Date: Oct 2010
Posts: 876
linuxredhatfirefox
Re: Fedora 14 Firewall off - Ports still closed

Hello Amy,
Just a guess: Did you remember to turn off ip6tables and maybe check hosts.deny for ALL :ALL ?
Code:
# service ip6tables stop
Code:
cat /etc/hosts.deny
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  #3  
Old 29th March 2011, 06:51 PM
amykhar Offline
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Join Date: Mar 2004
Age: 44
Posts: 9
linuxchrome
Re: Fedora 14 Firewall off - Ports still closed

yep. I did.

But, I found the actual problem. nmap on the other computer didn't tell the whole truth. The port was open, but nothing was listening to it because my lighttpd was improperly bound to only localhost. Once I got lighttpd configured properly, life was good.

Thanks for trying to help

Amy
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  #4  
Old 30th March 2011, 05:29 AM
flyingfsck Online
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Location: Al Ain, UAE
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linuxfirefox
Re: Fedora 14 Firewall off - Ports still closed

No listener == closed.
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