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How do I block internet access on fedora 3

My friend has a office that has all fedora machines.  They are used because of the VOIP dialer they are hooked up to.  Anyway He asked me today to block all web browsing access for the machines.. as the telemarketers are busy looking at porn and not taking calls... lol  

Can I just uninstall mozilla?

0
hang10z
Asked:
hang10z
1 Solution
 
pablouruguayCommented:
jajajaaj

yep you can uninstall mozilla with

rpm -e mozilla

or you can add this lines in the host (correct if are wrong please)

iptables -A INPUT -p tcp -m tcp  --dport 80  -j DROP
iptables -A OUTPUT -p tcp -m tcp  --dport 1096  -j DROP

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ahoffmannCommented:
just blocking port 80 is not sufficient, you need to block *all* ports
or better just allow the port used by VOIP to the next hop
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fixnixCommented:
<humor attempt>
If the dialer proggie is ncurses based, you could uninstall X alltogether since pr0n in Lynx takes quite the imagination ;)
</humor attempt>

ahoffman is correct...set your perimeter firewall to block all traffic, then only allow what is needed for the VoIP and anything else necessary.  Exactly how to do that will depend on your specific firewall...is it  a separate hardware firewall, integrated into the main router, none, etc...need a lil more info on how the call center is set up unless you want to go around to every machine individually and set the rules there.
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Cyclops3590Commented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.
I will leave the following recommendation for this question in the Cleanup topic area:
Accept: ahoffmann

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

Cyclops3590
EE Cleanup Volunteer
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