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[root@router ~]# iptables -A INPUT -j ACCEPT
iptables: No chain/target/match by that name.

How is that possible? I recompiled the kernel (3.11.8) and updated iptables to 1.4.16. The strage thing is that if I manually put the above rule in /etc/sysconfig/iptables and I issue the command /etc/init.d/iptables restart (I'm on CentOS 6.4) it works! It inserts the rule.

My lsmod | grep ipt:

iptable_mangle         12695  1 
ipt_MASQUERADE         12759  3 
iptable_nat            12810  1 
nf_nat_ipv4            13263  1 iptable_nat
nf_nat                 25997  3 ipt_MASQUERADE,iptable_nat,nf_nat_ipv4
nf_conntrack           95633  7 xt_state,ipt_MASQUERADE,iptable_nat,nf_nat_ipv4,nf_nat,nf_conntrack_ipv4,xt_conntrack
iptable_filter         12810  1 
ip_tables              27213  3 iptable_mangle,iptable_nat,iptable_filter

iptables -L output:

Chain INPUT (policy ACCEPT)
target     prot opt source               destination         

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination  
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What's the output of iptables -L ? –  Lawrence Nov 21 '13 at 1:07
    
Added to the question. –  Francesco Zanini Nov 21 '13 at 16:57
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1 Answer 1

up vote 0 down vote accepted

Found the problem. Basically I did a make uninstall of the iptables 1.4.16 version and compiled from source the 1.4.20 version (latest available now). Now it works perfectly.

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