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Checking if IP is blocked from Iptables

How to check if IP is blocked from IptablesCheck if IP is blocked:
# iptables -L -n –line | grep [IP Address]

If IP appear as DROP or REJECT, the IP has been blocked

Unblock the IP Address:
# iptables -I INPUT -s [IP Address] -j ACCEPT

Blocking back an IP Address:
# iptables -A INPUT -d [IP Address] -j DROP

Note: Full path to IPTABLES is /sbin/iptables, you can replace command # iptables with /sbin/iptables

References

http://support.hivehost.net/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=6

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