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Re: iptables syntax help - No chain/target/match by that name [newbie]



Noah,

add "-t nat" before the "-A ..."
Iptables defaults to the filter table so you need to tell it to use the nat table.

HTH,
Harry


Quoting Noah <admin2 enabled com>:

*> 
*> 
*> redhat-8.0
*> iptrables 1.2.8
*> 
*> 
*> hi there,
*> 
*> trying to get iptables runnign properly and taking some config advice from
*> the
*> Haxial website but Having a bit of difficulty getitng iptables working
*> properly:
*> 
*> this is a snip from the config file:
*> 
*> --- snip ---
*> 
*> PORTFWIP="192.168.1.69"
*> 
*> $IPTABLES -A PREROUTING -i $EXTIF -p tcp --dport 10800 -j DNAT
*> --to-destination $PORTFWIP:10800
*> $IPTABLES -A PREROUTING -i $EXTIF -p udp --dport 10800 -j DNAT
*> --to-destination $PORTFWIP:10800
*> $IPTABLES -A PREROUTING -i $EXTIF -p tcp --dport 10700 -j DNAT
*> --to-destination $PORTFWIP:10700
*> $IPTABLES -A PREROUTING -i $EXTIF -p tcp --dport 10600 -j DNAT
*> --to-destination $PORTFWIP:10600
*> 
*> -- snip ----
*> 
*> here are the errors
*> 
*> --- snip ---
*> 
*> 
*>    Enabling forwarding..
*>    Clearing any existing rules and setting default policy..
*>    FWD: Allow all connections OUT and only existing and related ones IN
*>    Enabling SNAT (MASQUERADE) functionality on eth0
*> iptables: No chain/target/match by that name
*> iptables: No chain/target/match by that name
*> iptables: No chain/target/match by that name
*> iptables: No chain/target/match by that name
*> 
*> Done.
*> 
*> --- snip ---
*> 
*> the forwarding of port 10600, 10700, 10800 to 192.168.1.69 is not happening
*> -
*> what am I doing wrong?
*> 
*> 
*> --- snip ---
*> 
*> # iptables -L
*> Chain INPUT (policy ACCEPT)
*> target     prot opt source               destination
*> 
*> Chain FORWARD (policy DROP)
*> target     prot opt source               destination
*> ACCEPT     all  --  anywhere             anywhere           state
*> RELATED,ESTABLISHED
*> ACCEPT     all  --  anywhere             anywhere
*> LOG        all  --  anywhere             anywhere           LOG level
*> warning
*> 
*> Chain OUTPUT (policy ACCEPT)
*> target     prot opt source               destination
*> 
*> ---- snip ---
*> 
*> 
*> - Noah
*> 
*> 
*> --
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*> https://www.redhat.com/mailman/listinfo/redhat-list
*> 


-- 
Harry Hoffman
hhoffman ip-solutions net
----------------------------------------------------------------------------------
radical:
1) Someone waiting in line to become "The Establishment"

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