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Administration Iptables

Check if port is open or blocked in iptables

April 20, 2015August 22, 2015 The Geek Decoder 
# iptables -L -n 

# iptables -L -n | grep :PORT

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Stop firewalld on CentOS 7
Warning: Unknown: open(/tmp/sess, O_RDWR) failed: Permission denied (13) in Unknown on line 0

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